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Prof. Paul Nolan (University of Liverpool)12/09/2005, 14:00Invited Talk
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Prof. Jon Saunders (University of Liverpool Pro Vice Chancellor for Research)12/09/2005, 14:10Invited Talk
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Mr Martin O'Brien (UKAEA Fusion Programme Manager)12/09/2005, 14:30Invited Talk
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Prof. Richard Wade (PPARC Deputy Chief Executive and Director Programmes)12/09/2005, 15:00Invited Talk
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Dr Gerhard Lutz (MPI Semiconductor Laboratory)12/09/2005, 16:00
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Dr Attilio Andreazza (ATLAS Pixel Collaboration)12/09/2005, 16:30The ATLAS Pixel Detector is the innermost tracking system of the ATLAS experiment at the Large Hadron Collider. The performances of the production modules of the ATLAS Pixel Detector have been studied using data collected with a 180 GeV/c pion beam at the CERN SPS accelerator. Several of the modules have been irradiated after assembly and before the test beam using 24 GeV/c...Go to contribution page
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Dr Renato Turchetta (RAL)12/09/2005, 16:45Results are presented on recent studies of Monolithic Active Pixel Sensors developed for future application in High Energy Physics. The status of the HEPAPS programme at the Rutherford Appleton Laboratory (RAL) is presented and some recent results from the UK MAPS collaboration on charged particle detection are discussed.Go to contribution page
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Dr Jan Conrad (PH/EP Dept., CERN)12/09/2005, 17:00The silicon pixel detector (SPD) of the ALICE experiment in preparation at the Large Hadron Collider (LHC) at CERN is designed to provide the excellent vertex resolution needed for measuring heavy avour production in heavy ion collisions at very high energies and high multiplicity. The detector consists of 1200 read out ASICs, each consisting of 8192 pixels, bump-bonded to 200 _m...Go to contribution page
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Dr Lars Reuen (Bonn University, Germany)12/09/2005, 17:15By incorporating a field effect transistor into a fully depleted sensor substrate the DEPFET sensor combines radiation detection and amplification allowing for low noise measurements and high spatial resolution. This makes DEPFET sensors an auspicious technology for the vertex detector of the planned International Linear Collider (ILC). The demands on the vertex detector are high,...Go to contribution page
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Prof. Bo Cederwall (Department of Physics, Royal Institute of Technology, Stockholm, Sweden)13/09/2005, 09:00High-resolution gamma-ray detectors based on high-purity germanium (HPGe) are one of the key workhorses of experimental nuclear science.The technical developments of such detectors have been dramatic in recent years, from the emergence of large- volume high-granularity electrically segmented HPGe detectors to position sensitivity using pulse-shape analysis and the novel technique of...Go to contribution page
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Mr Konstantinos Kousouris (Nuclear Physics, NCSR Demokritos)13/09/2005, 09:30A micropattern gaseous detector has been designed for the CERN Axion Search experiment CAST, based on the Micromegas technology. The twodimensional readout, with XY strip structure, allows for sufficient spatial sensitivity and the low natural radioactivity materials used for its construction meet the experiment demands for low background. The detector is operated with an...Go to contribution page
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Prof. Vladimir Peskov (Leonard de Vinci University, France)13/09/2005, 09:45In the last few years several groups and companies tried to develop mammographic scanners based on GaAs, Si solid -state detectors or high -pressure Xe gaseous detectors [1-3]. The main advantages of the scanner system are the simplicity of the design (1D detector) and the readout electronics and hence a low cost. We have developed and successfully tested an innovative approach in...Go to contribution page
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Mr Michael Schumaker (University of Guelph)13/09/2005, 10:00The TRIUMF-ISAC Gamma-Ray Escape-Suppressed Spectrometer (TIGRESS) is a new gamma-ray detector array being developed in order to take advantage of the radioactive ion beams to be delivered by the new ISAC-II facility at TRIUMPH. When complete, TIGRESS will consist of twelve large-volume 32-fold segmented HPGe clover detectors, fitted with 20-fold segmented Compton-suppression...Go to contribution page
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Dr Kazuhiro Nakazawa (Institute of Space and Astronautical Science / Japan Aerospace)13/09/2005, 10:15Large area imaging spectrometer with good energy resolution based on double-sided Si strip detector (DSSD) is a key technology for a new generation of Gamma-ray astronomy. It is well suited as the scatterer detector of semiconductor Compton telescopes (SCTs) working at sub-MeV to MeV band. High energy resolution is of particular importance because it ensures better angular resolution...Go to contribution page
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Prof. Robert Lewis (Monash University, Australia)13/09/2005, 11:00New Techniques for Positron Emission TomographyInvited Talk
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Dr David Hastings (Christie Hospital)13/09/2005, 11:30New Techniques for Positron Emission TomographyContributed TalkBackground. Molecular imaging using an animal PET camera is a powerful technique for studying the bio-distribution of radiolabelled tracers and ligands, offering a means for in-vivo assessment of new drugs and disease related biochemical processes. The design of such imaging experiments must be guided by knowledge of the performance characteristics of the PET camera. For example,...Go to contribution page
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Mr Reynold Cooper (University of Liverpool)13/09/2005, 11:45New Techniques for Positron Emission TomographyContributed TalkThe SmartPET project aims to exploit advances in the sensitivity, speed, position and energy resolution of HPGe detectors to construct a small animal Positron Emission Tomography (PET) system. The small animal scanning system will consist of two planar HPGe detectors separated by 109mm and housed in a rotating frame allowing data acquisition over a full 180o range. Each detector...Go to contribution page
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Dr Deborah Herbert (INFN Pisa)13/09/2005, 12:00New Techniques for Positron Emission TomographyContributed TalkPositron Emission Tomography (PET) for small animal studies requires high-resolution gamma cameras with high sensitivity. Traditionally, inorganic scintillators are used and, in recent times, coupled to position sensitive PMTs. Such PSPMTs are costly, operated at high voltage and have a relatively low packing fraction. However, their advantage, compared to current solid state...Go to contribution page
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Mr Alireza Sadrmomtaz (University of Birmingham)13/09/2005, 12:15Novel Photon Detection SystemsContributed TalkOver the last 20 years, positron emission tomography (PET) has developed as the most powerful functional imaging modality in medicine. Over the same period, the University of Birmingham Positron Imaging Centre has developed the use of positron emitting tracers to study flow in engineering systems. Much of this work has used the technique of positron emission particle tracking...Go to contribution page
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Prof. Colin Cunningham (Director, Technological Development, Royal Obervatory)13/09/2005, 13:30Applications in Astronomy and AstrophysicsInvited TalkThe future requirements for Astronomy and Astrophysics sensor development covering the sub-mm to X-ray range will be discussed.Go to contribution page
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Dr Johannes Treis (MPI Munich)13/09/2005, 14:00Applications in Astronomy and AstrophysicsContributed TalkTwo dimensional back-illuminated (500 µm sensitive thickness) X-ray pixel detectors with pixel sizes from 36 µm, 51µm, 75 µm to 150 µm have been developed for applications in X-ray astronomy (0.1 keV to 20keV) and for wave front sensing in adaptive optics systems up to 1 µm wavelength in the NIR. In both applications the environmental conditions are such that operation at ``warm...Go to contribution page
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Mr Derek Ives (UK Astronomy Technology Centre, Edinburgh)13/09/2005, 14:15Applications in Astronomy and AstrophysicsContributed TalkThe technology of Infrared detectors has made significant advances over the last decade evolving from their small size and number of pixels to the present large format 2k x 2k pixel devices. These large format near infrared detectors (1 – 2.5µm) are now routinely available to the astronomical community and are based on HgCdTe grown by either an LPE or MBE process on silicon or CdZnTe...Go to contribution page
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Mr Hironobu Nishimura (Kyoto University, Japan)13/09/2005, 14:30Applications in Astronomy and AstrophysicsContributed TalkWe have developed a position-sensitive scintillation camera with an area of 15×15cm2 for absorber of a Compton gamma-ray camera for astronomy. It consists of 3×3 array of position sensitive PMTs (Hamamatsu Flatpanel H8500). Each PMT has 8×8 anodes with a pitch of 6mm and is coupled to 8×8 array of pixelated 6×6×13mm3 GSO scintillators. We chose the GSO scintillator because it has...Go to contribution page
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Prof. Bob Ott (Institute of Cancer, Royal Marsden Hospital, London)13/09/2005, 16:00Applications in Nuclear Medicine And RadiologyInvited TalkThe presentation will cover the applications of radiation detectors to digital X-ray imaging, fast X-ray CT scanning, single photon emission computed tomography (SPECT) for small animals, whole-body SPECT/CT scanning, positron emission tomography (PET) for small animals and the latest crystals developed for PET and SPECT. There will be a brief introduction to the use of Active Pixel...Go to contribution page
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Mr Sebastien Bonzom (IPN Orsay, France)13/09/2005, 16:30Applications in Nuclear Medicine And RadiologyContributed TalkSurgery is still considered the primary therapeutic procedure for high grade gliomas and several recent clinical studies have shown that gross total tumor resection is directly associated with longer and better survival when compared to subtotal resection. Considering this context and based on a first experience in radio-guided surgery [1,2], we are currently developing an...Go to contribution page
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Dr Ignacio Redondo-Fernandez (Department of Radiotherapy Physics, Weston Park Hospital)13/09/2005, 16:45Applications in Nuclear Medicine And RadiologyContributed TalkThe treatment of cancer using radiotherapy is rapidly advancing; particularly with the advent of Intensity Modulated Radiotherapy (IMRT) which allows dynamic shaping of the dose delivered to the patient. This makes possible the treatment of tumours close to critical areas of the body eg. the spine. To allow the full potential of this powerful technique to be realised requires...Go to contribution page
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Mr Mohammed Alnafea (University of Surrey)13/09/2005, 17:00Applications in Nuclear Medicine And RadiologyContributed TalkThe incident of breast cancer is increasing and thus requires a powerful diagnostic technique for early detection. X-ray mammography (as screening and diagnostic tool) is claimed to be the golden standard in breast tumour imaging. However, mammographic findings are, non-specific in many cases, and adjunctive methods such as nuclear medicine techniques are needed. Planar...Go to contribution page
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Dr Silvia Pani (University College London)13/09/2005, 17:15Applications in Nuclear Medicine And RadiologyContributed TalkAlthough conventional mammography is currently believed to be the most effective breast screening tool, alternative techniques are being sought for those cases in which a second-stage examination is required. Diffraction Enhanced Breast Imaging (DEBI) is a promising alternative, as the difference in the diffraction profiles of healthy breast tissue and of carcinoma is much more...Go to contribution page
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Dr Wasi Faruqi (MRC Lab.Molec.Biology, Cambridge,UK)14/09/2005, 09:00Examples of applications of pixel detectors in several areas of the life sciences will be presented with emphasis on x-ray and electron scattering and some comparisons between the two techniques.Go to contribution page
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Dr Keith Mathieson (University of Glasgow)14/09/2005, 09:30New Techniques for Positron Emission TomographyContributed TalkDegenerative photoreceptor diseases, such as age-related macular degeneration and re- tinitis pigmentosa, are the most common causes of blindness in the western world. A potential cure is to use a microelectronic retinal prosthesis to provide electrical stimu- lation to the remaining healthy retinal cells. Due to the success of cochlear implants in restoring hearing to the...Go to contribution page
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Mr Gerard Turk (University of Liverpool)14/09/2005, 09:45New Techniques for Positron Emission TomographyContributed TalkAn orthogonal strip HPGe detector has been manufactured by Ortec. The dimensions of the crystal are 60 × 60 × 20 mm. The crystal is electrically divided into 12 strips of a 5 mm width on both sides of the detector. Combined with digital electronics and pulse shape analysis (PSA), the detector has the potential to reduce the position resolution to 1 mm3. The improvement of position...Go to contribution page
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Dr Paul Soler (University of Glasgow)14/09/2005, 10:00Hybrid Photon Detectors (HPD) have been chosen for the Ring Imaging Cherenkov (RICH) detectors of the LHCb experiment. Photons impinging on a multi-alkali S20 photo-cathode deposited on a quartz window produce photo-electrons that are accelerated by a 20 kV potential onto a silicon pixel sensor anode. The sensor is segmented into 8192 pixels of size 0.0625 mm x 0.5 mm that are...Go to contribution page
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Mr Kaori Hattori (Cosmic Ray Group, Dept. of Physics, Kyoto Univ.)14/09/2005, 10:15We are developing a micro-Time Projection Chamber (micro-TPC) based on a micro-pixel chamber (μ-PIC). A Micro-TPC is employed for an electron-tracking Compton camera [1,2]. A μ-PIC is a fine pixel-type two-dimensional imaging detector with a pixel pitch of 400μm and it has a detector area of 10×10cm2. We achieved a maximum gas gain of 15,000 and stable operation over 1,000 hours...Go to contribution page
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Dr Wilton Catford (University of Surrey)14/09/2005, 11:00Secondary beams of radioactive nuclei open up new opportunities in nuclear structure studies and also bring extra requirements for position sensitive detectors. Individual incident beam particles often need to be tracked, and then the angles and energies of reaction products need to be recorded with extraordinarily high efficiency to compensate for low beam currents of less than...Go to contribution page
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Laura Nelson (University of Liverpool)14/09/2005, 11:30Nuclear structure studies utilizing the technique of gamma ray spectroscopy requires the use of state of the art detector systems. The advent of highly segmented High-Purity Germanium detectors and the method of Pulse Shape Analysis to determine the positions of interactions [1] will allow for greatly improved efficiency as well as excellent angular resolution. The Advanced Gamma...Go to contribution page
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Mr Robert Glover (University of York)14/09/2005, 11:45Two photon emission is a second order nuclear decay process which can, in principle, compete with any single photon or electron decay mechanism. In practice, such a process is very difficult to observe in the presence of a competing single-photon decay due to it being indistinguishable from Compton scattering. The two-photon branch can, however, be distinguished where no single...Go to contribution page
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Dr Yuri Tsyganov (JINR, Dubna)14/09/2005, 12:00Three approaches to the measurement of a rare alpha decaying products produced in heavy-ion induced nuclear reactions are described. One is based on a chemical extraction and following deposition of the nuclides under investigation onto the surface of the detector, whereas the second one is associated with long –lived products implanted into silicon detectors by using the...Go to contribution page
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Dr Alexander Rodin (Flerov Laboratory of Nuclear Reactions, Russia)14/09/2005, 12:15We present an array of position sensitive detectors designed for the work with the beam of radioactive nuclei delivered by the separator ACCULINNA /1/. It is in use in the studies made on the structures of light nuclei with extreme neutron excess /2/. A pair multi wire proportional chambers (MWPC) installed in the front of a target is used for the measurement of the hit co-ordinates...Go to contribution page
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Prof. Heinz Graafsma (ESRF, France)14/09/2005, 14:30Detectors for Synchrotron Radiation and Spillation Neutron SourcesInvited TalkDetectors at synchrotron sources have always been a weak link, and continue to be so today. Although there has been considerable improvement in the detectors and the detector technologies used at storage rings, the development of the source brilliance has been even more significant, thereby widening the gap between the source and the detector performances. And short overview of the...Go to contribution page
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Dr Dave Langstaff (University of Wales, Aberystwyth, UK)14/09/2005, 15:00Detectors for Synchrotron Radiation and Spillation Neutron SourcesContributed TalkA one dimensional detector array using MCP technology in conjunction with a custom ASIC is presented. The detector chip features 768 pixels, each 3mm in length on a pitch of 25um, giving a length in the dispersive direction of 19.2 mm. Each pixel is furnished with a pre-amplifier and discriminator coupled to a 16-bit counter. The chip and MCP are mounted on a ceramic and stainless...Go to contribution page
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Dr Spyros Manolopoulos (CLRC-RAL)14/09/2005, 15:15Detectors for Synchrotron Radiation and Spillation Neutron SourcesContributed TalkThe microstrip detector is the workhorse of position sensitive detectors for tracking in particle physics experiments. Spatial resolution of a few m is easily achieved at read-out rates of few MHz. Utilising modern fabrication techniques (photolithography and ion implantation) provides with reliable and versatile devices with designs that can be tailored to meet the demands of...Go to contribution page
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Prof. Hiroyuki Takahashi (School of Engineering, University of Tokyo, JAPAN)14/09/2005, 15:30Detectors for Synchrotron Radiation and Spillation Neutron SourcesContributed TalkWe are developing a new ultra-long multi-grid-type microstrip gas counters (640 mm long) for neutron scattering experiments at spallation neutron source facilities. We employed a multi-grid-type electrode structure for stabilizing the gas amplification process in this MSGC. Also, we implemented a global-local-grading method for fast readout method where we divide a cathode signal...Go to contribution page
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Prof. Colin Whitehouse (CCLRC Daresbury Laboratory)14/09/2005, 15:45Invited Talk
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Dr Nigel Rhodes15/09/2005, 09:00
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Astrid Muennich (RWTH Aachen)15/09/2005, 09:30A high resolution TPC with gas amplification based on micro pattern gas detectors is a promising candidate for the main tracker at the ILC detector. The physics goals and the expected enviroment at the ILC requires the development of a TPC with unprecedented performance. Extensive R&D work has started to meet these challenges. We studied the process of ion backdrift and...Go to contribution page
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Dr Harry van der Graaf (National Institute for Nuclear Physics and High-Energy Physics, The Netherlands)15/09/2005, 09:45Conventional readout systems for Time Projection Chambers (TPCs) based on wire chambers have certain limitations concerning counting rate and spatial resolution. We have built a new type of TPC which will not suffer from these limitations. Our mini-TPC consists of a MediPix chip, a Micromegas and an cathode plane. With the proper gas mixture and voltages it is possible to detect...Go to contribution page
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Mr Manuel Caamano Fresco (University of Santiago Compostela)15/09/2005, 10:00With the recent improvement in the field of exotic beam, especially with the SPIRAL facility at GANIL, a new area of the nuclear chart is now available for experimentation. Nevertheless the intensity of such beams is still relatively low (few thousands of particles per second), and for some reactions of interest the cross sections are low. Thus it is essential to be able to perform...Go to contribution page
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Prof. Amos Breskin (The Weizmann Institue of Science)15/09/2005, 10:15The thick GEM-like (THGEM) electrode is a rather new gas-avalanche electron multiplier, economically produced by standard printed circuit board (PCB) drilling and etching techniques. Its structure is similar to that of standard GEM, but its dimensions are expanded, with thickness varying from 0.4 to 3.2 mm and the mechanically- drilled hole diameter varying from 0.3 to 1mm. The Cu...Go to contribution page
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Mr Asimakis Asimidis (University of Ioannina)15/09/2005, 10:30A portable PC-based X-ray imaging system has been developed based on a 2D silicon microstrip detector and particle physics readout electronics. The sensor is housed in a specially built hybrid, which also hosts the front-end electronics. This hybrid is attached to the PC with a flat cable which makes it a flexible probe. The hybrid, including the sensor was developed earlier in the...Go to contribution page
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Mr Steven Plank (University of Edinburgh)15/09/2005, 10:30DRIFT (Directional Recoil Identification From Tracks) is a Time Projection Chamber (TPC) that can provide directional signature. As the Earth rotates and revolves around the Sun a diurnal and annual signal modulation could be detected as a result of relative motion between the Earth and a non-rotating WIMP halo - providing very strong background discrimination. Currently operational and...Go to contribution page
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Mr Amir Intisar (School of Engineering and Design, Brunel University)15/09/2005, 10:30We describe an instrument concept using Charge Coupled Devices (CCDs) capable of simultaneously recording the X-ray diffraction (XRD) and X-ray fluorescence (XRF) information from a sample. The instrument concept uses deep depletion CCDs in photon counting mode which can efficiently detect X-rays from 0.5-10 keV. One such instrument under study, named Mars-XRD, is a miniature XRD \...Go to contribution page
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Dr Masaki Kataigiri (Japan Atomic Energy Research Institute)15/09/2005, 10:30We have been developing a neutron imaging gas detector with a high spatial resolution and with a high temporal response for the neutron scattering instruments at the pulsed neutron source in the Japan proton accelerator research complex. To meet the requirements for the instruments for neutron reflectometory or for small angle neutron scattering, where a spatial resolution of...Go to contribution page
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Dr Michael Karagounis (Universitaet Bonn)15/09/2005, 10:30An ASIC capable of counting individual hits on a silicon microstrip detector used in a Compton polarimeter has been developed. Laser photons backscattered off an incident high-energy electron beam in the 3.5GeV electron stretcher ring ELSA at Bonn university are pair converted in a lead convertor and then detected on a silicon strip sensor. The sensor is read out by a mixed-signal...Go to contribution page
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Dr Kazuhiro Nakazawa (Department of High Energy Astrophysics, ISAS/JAXA, Japan)15/09/2005, 10:30Compton cameras are the most promising approach for gamma-ray detection from several tens keV to several MeV. High energy resolution and position resolution are of particular importance to obtain high angular resolution, and hence clear images. We are developing new Compton cameras using Si and CdTe semiconductor position-sensitive detectors. Si is suitable for a scatterer...Go to contribution page
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Mr Atsushi Takada (Kyoto University)15/09/2005, 10:30A Micro Pixel Chamber, called “-PIC”, is a gaseous 2D imaging detector with a fine pixel electrode based on the Printed Circuit Board technology, and we developed it for the X/gamma-ray imaging and the tracking of the charged particles [1]. The previous -PIC has a fine position resolution (RMS ~120m), a high gas gain (Max ~15000), good gas gain uniformity (4.5% RMS) and the...Go to contribution page
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Prof. R.Ferreira Marques (Laboratório de Instrumentação e Física Experimental de Partículas , Portugal)15/09/2005, 10:30Timing Resistive Plate Chambers (tRPCs) are planar gaseous detectors made with resistive electrodes, accurately spaced, that define very thin gas gaps. Such detectors are known to provide timing accuracies around 50 ps sigma for minimum ionizing particles. In practice, the counting rate capability of RPCs is strongly conditioned by the availability of suitable resistive materials...Go to contribution page
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Mr Ferran Fernandez Banque (LLS, Barcelona, Spain)15/09/2005, 10:30One of the most known 2D X-ray detectors is the MWPC (Multiwire Proportional Counter). This is a 2D position sensitive gas detector based in the proportional chamber. It consists of a frame with parallel wires which form a plane (anode) sandwiched between two cathodes planes formed also by parallel wires. In this job, we describe a complete solution to manufacture anodes and...Go to contribution page
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Mr James Parkin (University of Surrey)15/09/2005, 10:30Cadmium Manganese Telluride is a semiconductor material that has previously been used as IR detectors, visible and near-IR lasers and solar cells. However, despite its promising properties for radiation detection, it has so far seen little investigation in this area. Samples have been grown that show high resistivity (> 1010 Ωcm) and high μτ (>10-6 cm2/V) [1]. It has also been shown...Go to contribution page
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Dr Junko Kohagura (Plasma Research Centre, University of Tsukuba)15/09/2005, 10:30Two- or three-dimensional X-ray tomographically reconstructed data analyses by the use of multichannel silicon semiconductor detectors play an important role in investigating plasma electron behaviour in controlled thermonuclear fusion research. However, recent harsh radiation environments in fusion experiments with deuterium-tritium (D-T) and/or deuterium-deuterium (D-D) reactions...Go to contribution page
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Mr James Carpenter (Space Research Centre, University of Leicester)15/09/2005, 10:30Modern microchannel plate detectors exhibit low quantum efficiency in the extreme ultra violet range (100-1000 Å) compared to those manufactured before 1990. The cause of this reduction in efficiency is unknown. We describe recent investigations into the variation of surface composition along the channels of a number of MCPs exhibiting high and low efficiency. These compositional...Go to contribution page
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Mr Kenji Shimazoe (Department of Quantum Engineering and Systems Science, University of Tokyo, Japan)15/09/2005, 10:30We have designed and fabricated 10 channel/6bit waveform sampling ASICs using ROHM 0.35 um CMOS technology. This chip was designed for GSO-APD gamma-ray detector and provides a function of “waveform recording” at a sampling frequency of 100MHz. This chip has 10channel inputs and each channel has preamp/variable gain amplifier/6-b folding ADC. The folding ADC greatly reduces the...Go to contribution page
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Suzanne Crittell (University of Liverpool)15/09/2005, 10:30The aim of this experiment was to use the Diffraction-Enhanced Imaging (DEI) system at Daresbury, which has recently upgraded with new Channel-cut crystals to produce images of mice’s feet. There were two types of mice’s feet used, normal and arthritic. The two types of sample were imaged and compared in order to determine whether it was possible to detect the changes in cartilage...Go to contribution page
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Mr Neil Murray (Brunel University)15/09/2005, 10:30The need for reducing CCD readout noise is highly relevant in X-Ray astronomical detectors such as those proposed for the ESA XEUS mission. Digital sampling and filtering of a CCD's output using an ADC and DSP or FPGA is presented to reduce the effects of readout noise and lower system complexity. Correlated double sampling is used to resolve individual pixel charge values, with the...Go to contribution page
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Dr Giulio Pellegrini (Univ. Autonoma de Barcelona, Spain)15/09/2005, 10:30Charge sharing is an important factor to be considered in pixel detector design for single-photon counting electronics. Its effect on such devices, if proper adjustment of the pixel threshold is not performed, is to give rise to false counts in the pixels neighbouring the hit one. Nevertheless, it is difficult to evaluate or measure, as single-photon counting electronics do not give...Go to contribution page
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Prof. Bob Ott (University of Surrey, Rutherford Appleton Laboratories and the Institute of Cancer Research)15/09/2005, 10:30The PETRRA positron camera is a novel, large-area positron camera based on coupling barium fluoride crystals to a multiwire proportional chamber filled with a photosensitive vapour, tetrakis- dimethylamino ethylene (TMAE). The present camera consist of two detectors each with 600mm x 400mm sensitive area containing sheets of 1cm thick crystals. This camera has a spatial resolution of...Go to contribution page
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Mr Andrzej Kotarba (Polish Academy of Sciences)15/09/2005, 10:30A position sensitive scintillator strip detector used for the Luminosity Monitor of the ZEUS experiment is described. The detector readout based on the R7400 photomultipliers is presented. It offers satisfactory spatial resolution of 3 mm and a good signal to noise ratio that allows to run at the rate up to 10 MHz. The data obtained with the position detector are used for luminosity...Go to contribution page
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Dr Fred Ruddell (Northern Ireland Semiconductor Research Centre)15/09/2005, 10:30There are a number of position sensitive detector applications where there is a requirement for an imaging device which has enhanced response in the near infra-red spectrum (0.77µm to 1.5µm). Although infra-red detectors are fabricated using III-V and HgCdTe materials, integration with silicon readout circuitry is not easily achievable, often relying on bump-bonding technology. ...Go to contribution page
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Dr Robert Page (University of Liverpool)15/09/2005, 10:30GREAT is a Position Sensitive Spectrometer for Studying Exotic Nuclei. It is a detector designed for use in the focal plane of Gas Filled Recoil Separators. The detector system measures alpha, beta, gamma, protons and electron decays of separated fusion products. The GREAT detector consists of a multi-wire proportional counter, 28 Si PIN diodes, two 60x40mm double sided silicon strip...Go to contribution page
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Dr Dhiren Kataria (Mullard Space Science Laboratory, University College London)15/09/2005, 10:30Position sensitive micro-channel plate detectors are attractive for space plasma instruments but have a number of limitations. Most of the techniques have limited global rate handling and require the MCP to run at high gain with MCP lifetime implications. In addition, available mass and power resources limit the number of channels of readout electronics. A fast position sensing...Go to contribution page
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Dr Masaki Katagiri (Japan Atomic Energy Research Institute)15/09/2005, 10:30High-intensity pulsed neutron sources have made a great deal of progress at Japan (J-PARC project), U.S.A. (SNS project), and UK (ISIS-II project). The specifications required for neutron imaging detectors used at these facilities are a high-position resolution, high-detection efficiency, a high counting rate, a high n/ ratio, etc. Especially the detectors which exhibit a...Go to contribution page
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Prof. Robert Lewis (Monash University, Australia)15/09/2005, 10:30The instrumentation group within Monash Centre for Synchrotron Science (MCSS) and the Co-operative Research Centre for Biomedical Imaging Development (CRC BID) are developing detectors for medical, industrial, synchrotron and other scientific applications. A seven year project has been initiated to develop hybrid pixel detectors for medical radiography. The device will comprise an...Go to contribution page
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Mr Andrea Fant (Rutherford Appleton Laboratory)15/09/2005, 10:30The I-ImaS (Intelligent Imaging Sensors) is an EU project whose objective is to design and develop intelligent imaging sensors and evaluate their use within an adaptive medical imaging system, specifically tailored to Mammography and Dental Radiology. The system will employ an in-line scanning technology approach and proposes the use of CMOS active pixels sensors. The I-Imas system...Go to contribution page
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Dr Anatloy Maltsev (JINR, Russia)15/09/2005, 10:30Detectors for Synchrotron Radiation and Spillation Neutron SourcesContributed PosterThe methods and detectors for nondestructive diagnostics and study of charged particles of bunches or beams (electron, electron-ion, proton) are submitted in this paper. The methods of based on the use of relativistic particles synchrotron radiation in a wide spectral range, from the ultraviolet to the far long-wave infrared region [1, 2]. Methods for measuring and estimating...Go to contribution page
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Dr Serena Mattiazzo (University of Padova, Dept. of Physics & INFN Padova)15/09/2005, 10:30At the INFN Legnaro Laboratories (Padova, Italy) a new instrument dedicated to the study of induced radiation damage in microelectronics devices has been recently installed in the SIRAD beam line, a facility devoted to heavy ion characterization of microelectronics devices and materials. This new instrument consists of an electronic microscope capable of recognizing with micrometric...Go to contribution page
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Dr Peter Kodys (Institute of Particle and Nuclear Physics, Charles University)15/09/2005, 10:30This presentation collects experiences from tests of ATLAS end cap SCT modules using infrared semiconductor laser on 1060 nm wavelenght. Sophisticated method of focusing was developed. Timing and interstrip properties of modules were measured. Tests of silicon sensors simulate real experimental conditions and check important detector properties. Laser tests have good time and...Go to contribution page
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Dr Kamil SEDLAK (University of Oxford)15/09/2005, 10:30The ATLAS SCT (semiconductor tracker) is a major component of the inner detector being built for the ATLAS experiment at LHC. It comprises 2112 barrel modules mounted on four concentric barrels of length 1.6m and up to 1m diameter, and 1976 endcap modules supported by a series of 9 wheels at each end of the barrel region, giving a total silicon area of 60m2. At The University of...Go to contribution page
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Dr Anatoly Maltsev (JINR, Russia)15/09/2005, 10:30Detectors for Synchrotron Radiation and Spillation Neutron SourcesContributed PosterResults are presented of measurements of the equilibrium radius and the minor cross-section sizes of the ring-shaped electron bunch. A multichannel diagnostic system based on measurement of the synchrotron radiation and disigned for investigation of the dynamics of the electron ring compression is described. The system includes an optical channel; an infrared radiation detector;...Go to contribution page
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Mr Hugo Natal da Luz (University of Coimbra)15/09/2005, 10:30MicroHole and Strip Plate detector (MHSP) has an intrinsic capability for position detection. This new gaseous multiplier conceived as a combination of an MSGC and GEM in a single, double sided element, integrates two successive independent stages of charge amplification, a GEM-like hole-avalanche and an MSGC-like anode-strip avalanche. Like the GEM, the MHSP is fabricated with...Go to contribution page
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Dr Tanja Palviainen (Lappeenranta University of Technology, Finland)15/09/2005, 10:30Detectors for n-type silicon with an n+ -type guard ring have been investigated. The Si detectors in high-energy physics experiments require a reliable performance in irradiation conditions. Minimizing dead wafer space is an additional advantage as it enhances the efficiency of a detector [1]. The guard ring technique has evolved to minimize this dead space at the edge of the...Go to contribution page
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Dr J.C. Bourgoin (Université Pierre et Marie Curie)15/09/2005, 10:30Self-supported thick (larger than 200 microns), non intentionally doped, epitaxial GaAs layers are good candidates for X-ray imaging for the following reasons. Their electronic properties are homogeneous over large areas (4 inches diameter), they can be grown at low cost, the technology to realize pixel detectors of any size is standard, the defect concentration is very low and the...Go to contribution page
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Mr Dale Philips (Monash University, Australia)15/09/2005, 10:30The Monash Centre for Synchrotron Science (MCSS) Instrumentation Group is working on various detector designs for biomedical imaging and synchrotron use. The development of orthogonal planar strip HPGe detectors offers advantages of good energy and x,y,z-axis position resolution of gamma ray interactions. The efficiency in terms of photoelectron absorption type events is quite low...Go to contribution page
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Mr Ferran Fernandez Banque (LLS, Barcelona, Spain)15/09/2005, 10:30Micro pattern gas detectors (MPGD) could become suitable devices to carry out time-resolved X-ray diffraction experiments in the sub- millisecond time scale at synchrotron radiation facilities. This is because the small anode-cathode distances in these devices allow short ion drift times, thus reducing one of the most important count rate limitations, i.e. space charge effects. This...Go to contribution page
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Dr Jon Lapington (Space Research Centre, University of Leicester)15/09/2005, 10:30Simulation of detector operation can be a valuable tool in optimizing design before recourse to cutting metal, and if successful, can significantly reduce the requirement for design iteration. This paper describes this process as applied to the reduction of spatial non- linearities in electronic charge division readout devices. Several theoretical analyses of the non-linearities...Go to contribution page
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Dr Junko Kohagura (Plasma Research Centre, University of Tsukuba)15/09/2005, 10:30Recent findings of the importance of radially sheared electric-field formation in plasmas enhance the requirements of spatial-profile measurements of ion-confining potentials and ion-current signals simultaneously. For instance, the frequency analyses of end-loss ion- energy spectrometer arrays (IES) signals show the existence of electron drift waves, giving a peaked structure over a...Go to contribution page
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Dr Anatoly Maltsev (JINR, Russia)15/09/2005, 10:30Detectors for Synchrotron Radiation and Spillation Neutron SourcesContributed PosterThe special high-vacuum windows and optical systems for the conclusion from the accelerator of synchrotron radiation and focusing it on the detector are submitted in this review [1,2]. The results of account and research of optical system are described punctually. There are examples of practical use of a broad-band long-focus optics with precision by integrated and...Go to contribution page
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Mr Noriaka Tawa (Osaka University)15/09/2005, 10:30We developed a new photon-counting device for X-ray in the 0.1-100 keV energy range. The new device is an X-ray charge-coupled device (CCD) on which scintillator is directly deposited. It is called a scintillator-deposited CCD (SD-CCD). Low energy X-rays (0.1-10 keV) can be directly detected by the CCD while high energy X-rays (10-100 keV) pass through it into the scintillator where...Go to contribution page
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Celeste Fleta (Centro Nacional de Microelectrónica)15/09/2005, 10:30One of the technological challenges of the fabrication of n-in-p and n-in-n microstrip silicon detectors is to obtain a good insulation of the n-strips while ensuring a satisfactory electrical performance of the devices. A common practice to avoid the formation of the conductive electron layer at the oxide-silicon interface is the definition of p-type zones ("p-stops") that surround...Go to contribution page
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Mr Jerome Beucher (Ecole des Mines de Nantes)15/09/2005, 10:30We report on gain and discharge rate measurements with micro-pattern gaseous detectors using micro-meshes. Some geometrical configurations of Parallel Ionization Multiplier (PIM) and MICROMEGAS, operated with Ne+10%CO2 gas mixture, are considered. Tests have been performed on the T9 proton-pion beam facility at CERN. For MICROMEGAS configurations, the discharge rate, greater...Go to contribution page
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Mr Francisco Neves (University of Coimbra)15/09/2005, 10:30Liquid xenon has been recognised as a promising medium for direct detection of hypothetical Weakly Interactive Massive Particles. Therefore, investigation of the response of liquid xenon to nuclear recoils and g-rays is of primary importance. In particular, we have recently measured the relative scintillation efficiencies of liquid xenon for these two particles by irradiating a...Go to contribution page
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Prof. Robert Lewis (Monash University, Australia)15/09/2005, 10:30The SmartPET collaboration is investigating the e_cacy of using two planar High-Purity Germanium (HPGe) double-sided strip detectors as a Compton imaging Positron Emission Tomography (PET) system. Monte Carlo simulations suggest that a large proportion of interactions within the detectors will occur within a small spatial and temporal window, introducing signi_cant ambiguities within...Go to contribution page
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Dr Anatoly Maltsev (JINR. Dubna)15/09/2005, 10:30Detectors for Synchrotron Radiation and Spillation Neutron SourcesContributed PosterResults of measuring the equilibrium radius and dimensions of the small cross section of the electron ring bunch are presented. The description of multi-channel sistem for investigation of dynamics of the electron ring compression by synchrotron radiation is given. The system consists of an optical channel, infrared radiation detector, a unit of amplifiers, electronics of monitoring...Go to contribution page
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Mr Gabriele Segneri (INFN Pisa and Università di Pisa, Italy)15/09/2005, 10:30An LHC upgrade with a luminosity increase of one order of magnitude has been recently envisaged. In this scenario, silicon detectors produced according to the present technologies would not withstand the increased radiation fluences. Magnetic Czochralski silicon (MCz) can be a promising solution for future experiments due to its high intrinsic oxygen concentration, which improves...Go to contribution page
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Dr Kan-Cheung Cheung (Daresbury Laboratory)15/09/2005, 10:30Detectors for Synchrotron Radiation and Spillation Neutron SourcesContributed PosterGas filled multi-channel detectors are ideally suited for x-ray applications that require photon counting and position sensitivity. This type of proportional counters is superior in time resolving experiments where low dark noise and microseconds resolution are essential, eg. SAXS/WAXS for investigating polymer formation and XRD for studying mineral crystal growth. Gas Micro Strip...Go to contribution page
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Mr David Scraggs (University of Liverpool)15/09/2005, 10:30The smartPET project is an attempt to use high purity germanium detectors for use in positron emission tomography (PET). The current spatial resolution of PET using BGO and LSO detectors is ~5mm, and the smartPET project aims to improve spatial resolution to 1mm. Two planar Germanium detectors with dimensions of will be used in coincidence; these detectors are pixelated by means of...Go to contribution page
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Mr Matthew Dimmock (University of Liverpool)15/09/2005, 10:30High-precision g-ray spectroscopy is currently the most powerful tool that can be used to investigate the structure of a nucleus under extreme conditions. High Purity Germanium (HPGe) detectors with their excellent energy resolution and good timing resolution have been the main ‘work horse’ in this field. The AGATA symmetrical segmented Canberra Eurisys (CE) prototype germanium...Go to contribution page
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Mr Alexander Furgeri (University of Karlsruhe)15/09/2005, 10:30The Compact Muon Solenoid is one of the experiments at the Large Hadron Collider under construction at CERN. Its inner tracking system consist of the world largest Silicon Strip Tracker. Its sensors are single sided n-doped sensors with p- strip implants, poly crystalline bias resistors and AC coupling. In total 24244 sensors covering an area of 206 m² will be implemented in the...Go to contribution page
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Dr Jamil Mir (CCLRC Rutherford Appleton Laboratory)15/09/2005, 10:30Abstract: Experimental work was carried out to evaluate the performance of a Gas Electron Multiplier (GEM) operated with a Micromesh readout plane that enabled the induction gap to be set at 50 microns. We measured the essential operational parameters of this system using Ar(75%)-isobutane (25%) as the counter gas mixture. The measurements included the effective gain (signal-to-noise...Go to contribution page
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Mr Andrew Mather (University of Liverpool)15/09/2005, 10:30The SmartPET project will examine the possibility of using planer Hyper Pure Germanium Detectors (HPGe) within a Positron Emission Tomography (PET) system. This system is designed to image small animals. The image reconstruction algorithms take measured or simulated projection data of an underlying radioactive source distribution and attempt to produce an accurate 2D or 3D image...Go to contribution page
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Mr Reynold Cooper (University of Liverpool)15/09/2005, 10:30The SmartPET project aims to exploit advances in the sensitivity, speed, position and energy resolution of HPGe detectors to construct a small animal Positron Emission Tomography (PET) system. The small animal scanning system will consist of two planar HPGe detectors separated by 109mm and housed in a rotating frame allowing data acquisition over a full 180o range. Each detector...Go to contribution page
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Prof. Gerhard Lutz (MPI Halbleiterlabor, Munich)15/09/2005, 10:30A new generation of MOS-type DEPFET active pixel sensors in double metal/double polysilicon technology with ~25µm pixel size has been developed to meet the requirements of the vertex detector at the ILC (International Linear Collider). The paper presents the design and technology of the new linear DEPFET pixel cells including a module concept and results of a feasibility study on how...Go to contribution page
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Mr Thomas Greig (Brunel University)15/09/2005, 10:30The design of pixel test structures for CMOS active pixel sensors (APS) being developed by Brunel University and e2v technologies ltd are described in this paper. The APS pixel is a development of a standard readout and sensing arrangement employing three transistors per pixel but has been optimised for indirect x-ray detection applications. The pixel is tuned to have a narrow band...Go to contribution page
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Prof. Robert Lewis (Monash University, Australia)15/09/2005, 10:30The SmartPET is a novel Positron Emission Tomography (PET) system that uses High Purity Germanium (HPGe) detectors in a dual-head camera design. Alone, the superior 3D position resolution o_ered by semi-conductor detectors removes the depth-of-interaction problem inherent in many PET camera designs. However, there is another opportunity o_ered by the system. Coincident...Go to contribution page
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Mr Adrian Martindale (University of Leicester)15/09/2005, 10:30We describe the operation of ultra-small pore Microchannel Plates (MCPs) as detectors for soft X-ray radiation. These new plates represent a marked improvement in MCP technology. Typical plates at present have pore diameters of ~8-12μm, whereas the new generation have diameters ranging from 3-6μm. This reduction in pore diameter will clearly have a positive impact on the spatial...Go to contribution page
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Dr Sorina Lazanu (National Institute for Materials Physics, Romania)15/09/2005, 10:30Semiconductor detectors are widely used in modern high energy physics experiments. They are elements of the high resolution vertex and tracking system, as well as of calorimeters The bulk displacement damage in the detector, consequence of irradiation, produces effects at the device level: increases the leakage current, decreasing the satisfactory Signal/Noise ratio, produces...Go to contribution page
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Dr Junko Kohagura (Plasma Research Centre, University of Tsukuba)15/09/2005, 10:30Tomographic reconstructions of X-ray emission from hot electrons having a temperature of several tens of keV have been carried out by the use of the novel position-sensitive X-ray semiconductor detector array. The X-ray detection system in the thermal-barrier region of the GAMMA 10 tandem-mirror plasmas consists of a 48-channel silicon semiconductor detector array. X-ray energy...Go to contribution page
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Prof. Timothy Sumner (Imperial College London)15/09/2005, 11:15
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Mr Hiroyuki Sekiya (Kyoto University)15/09/2005, 11:45Time Projection Chamber (TPC) has been recognized as a potentially powerful detector for the WIMPs search by measuring the directions of nuclear recoils, in which the most convincing signature of WIMPs caused by the earth’s motion around the Galaxy appears [1]. Since the energy deposits of WIMPs to nuclei are only a few tens of keV and the ranges of nuclei are limited, such TPCs...Go to contribution page
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Prof. Brian Fulton (University of York)15/09/2005, 12:00When Pauli first postulated the existence of the neutrino, he suggested that it would have no charge and no mass. This view held for almost 70 years, but a few years ago results from solar and atmospheric neutrino studies, now confirmed by terrestrial accelerator and reactor measurements, revealed the phenomenon of neutrino oscillations. This is the changing of one type of neutrino...Go to contribution page
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Mr Alex Lindote (University of Coimbra)15/09/2005, 12:15ZEPLIN III is a xenon detector for direct dark matter searches soon to be deployed underground at the Boulby mine (North Yorkshire, UK). This two-phase (liquid/gas) system will look for the rare nuclear recoils that should be produced by elastic scattering of Weakly Interacting Massive Particles (WIMPs) off xenon atoms. Neutron interactions can also cause nuclear recoils and...Go to contribution page
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Dr Paul Sellin (University of Surrey)15/09/2005, 13:30The demand for new detector materials continues to develop, across a wide range of applications including X-ray and synchrotron imaging, neutron detection, and radiation hard tracking detectors. In this paper the current status of new materials for semiconductor detectors will be reviewed, with a particular emphasis on the requirements for imaging and pixellated devices. In the field...Go to contribution page
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Prof. Themis Bowcock (University of Liverpool)15/09/2005, 14:00The LHCb experiment at CERN depends critically on silicon sensors to provide vertex, tracking and trigger information. The environment the sensors will be operated in is unique amongst the next generation of LHC experiments; the sensors will be run in high vacuum conditions and will receive a high radiation dose. The design of the sensors for LHCb is described, together with the...Go to contribution page
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Dr Anna Macchiolo (INFN Firenze and Università di Firenze, Italy)15/09/2005, 14:15We report on the processing and characterization of micro-strip sensors produced on n- and p-type Czochralski silicon. The aim of this work is the development of radiation hard detectors for very high luminosity colliders. The activity is funded by INFN within the SMART project in the framework of the RD50 Collaboration. The devices have been produced by ITC-IRST on 4” wafers,...Go to contribution page
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Dr Vasilij Kozlov (University of Helsinki, Finland)15/09/2005, 14:30The single crystal TlBr is a promising candidate as a gamma-ray detector due to its high stopping power, density (7.56 g/cm3) and bandgap (2.68 eV). These properties allow to perform a compact device working at room temperature. However, the transport properties of TlBr were still plagued by material problems [1]. These problems are manly arisen from purity and quality of the...Go to contribution page
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Dr Sabina Ronchin (ITC-irst, Trento, Italy)15/09/2005, 14:45Recently, increased attention has been given to 3D detectors owing to their capability to control the depletion mechanism by acting on the layout of the vertical electrodes only. Depletion voltages two orders of magnitude lower and collection times one order of magnitude lower than those of standard planar detectors [ ] can be obtained, by properly designing the electrodes width and...Go to contribution page
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Dr Andrew Holland (Brunel University)15/09/2005, 16:00
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Dr Jon Lapington (Space Research Centre, University of Leicester)15/09/2005, 16:30The performance and operational advantages of using electronic image readouts in image intensifiers, such as their simplicity, flexible format, low noise, and capability for high spatial and temporal resolution, are offset by the practical issues of housing them within the detector vacuum enclosure. They commonly require oversized, non-standard vacuum enclosures, multiple low noise...Go to contribution page
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Dr Nick Waltham (Space Science and Technology Department, Rutherford Appleton Laboratory)15/09/2005, 16:45We describe our programme to develop a large-format, science-grade, monolithic CMOS active pixel sensor for future space science missions, and in particular an extreme ultra-violet spectrograph for solar physics studies on ESA’s Solar Orbiter. Our route to EUV sensitivity relies on adapting the back-thinning and rear- llumination techniques first developed for CCD sensors. Our first...Go to contribution page
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Dr Dave Walton (Mullard Space Science Lab, University College London)15/09/2005, 17:00Results are described from a high-stability multi-CCD focal plane assembly developed by MSSL for ESA, using new large-format CCDs from e2v technologies. Particular subjects of investigation are stability at the 10e-4 to 10e-5 level and crosstalk between CCDs as well as between nodes of each two-port CCD. Space-based planetary-transit hunting and asteroseismology missions such as...Go to contribution page
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Dr Junko Hiraga (JAXA/ISIS, Kanagawa, Japan)15/09/2005, 17:15Charge-coupled devices (CCDs) are widely used in soft X-ray Astronomy as a focal plane detector which has a capability both of good spatial resolution and good energy resolution up to 10 keV, simultaneously. For the future X-ray space mission, the thick CCDs are developed to improve the quantum e±ciency of high energy X-rays beyond 10 keV. A mesh experiment has been, so far, the...Go to contribution page
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Dr Erik Heijne (CERN-PH)16/09/2005, 09:00A long succession of inventions of particle detectors has given life to generations of scientists and has enabled step by step the understanding of chemistry, the physics of light, matter and cosmos. Over the last hundred years the imaging of the interactions of ionizing particles has allowed to penetrate mysteries of elementary objects and forces, far beyond what we can see and feel...Go to contribution page
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Dr Javier Fernandez (IEKP, Universitaet Karlsruhe, Germany)16/09/2005, 09:30With more than 15000 silicon strip modules and an active silicon area of 200 squaremetres, the CMS silicon strip tracker will be the largest silicon tracker ever built. While module mass production has started in 2004, the detector construction has recently entered its crucial phase with modules being assembled onto larger substructures, which in turn are being integrated into the...Go to contribution page
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Dr Ankush Mitra (Institute of Physics, Academia Sinica Taiwan/Fermilab, USA)16/09/2005, 09:45The CDFII silicon detector with its 8 layers of double-sided silicon microstrip sensors and a total 722,432 readout channels is one of the largest silicon detector devices presently in use by a HEP experiment. We report our experience commissioning and operating this complex device during the first four years of Tevatron Run II program. The performance of the system and its impact on...Go to contribution page
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Dr Steve Snow (University of Manchester)16/09/2005, 10:00The ATLAS Semi-Conductor Tracker (SCT) uses silicon strip detectors to measure trajectories of charged particles coming from 14 TeV proton-proton collisions at the Large Hadron Collider at CERN. The SCT provides at least four precise space points, in the radial range of 27 to 50 cm from the beam, for tracks within the angular acceptance ||<2.5. The SCT is built up of 4088 modules,...Go to contribution page
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Dr Mary-Cruz Fouz-Iglesias (CIEMAT, Madrid, Spain)16/09/2005, 10:15The CMS (Compact Muon Solenoid) is one of the detectors designed to study the future p-p interactions of the LHC (Large Hadron Collider) accelerator at CERN. Muons from p-p collisions are expected to provide clean signatures for many of the interesting processes which will be studied at LHC. CMS has put a big emphasis on developing a highly efficient muon system. It consists of four...Go to contribution page
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Dr Graham Smith (Brookhaven National Laboratory, USA)16/09/2005, 11:00A description of some basic properties of gas-based detectors that make them attractive for advanced applications will be made. Of those operating with gas gain, emphasis will be given to the gas electron multiplier, the pin detector, and the traditional wire chamber. The benefits of operating in ionization mode will be explored. Examples of these techniques in experiments employing...Go to contribution page
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Mr Hugo Natal da Luz (University of Coimbra)16/09/2005, 11:30MicroHole and Strip Plate detector (MHSP) has an intrinsic capability for position detection. This new gaseous multiplier conceived as a combination of an MSGC and GEM in a single, double sided element, integrates two successive independent stages of charge amplification, a GEM-like hole-avalanche and an MSGC-like anode-strip avalanche. Like the GEM, the MHSP is fabricated with...Go to contribution page
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Mr Christian Iacobaeus (Karolinska Institute, Stockholm, Sweden)16/09/2005, 11:45Noble liquids are excellent detecting medias: they have a rather high stopping power, allow electrons and ions to drift and they have an exceptionally high scintillation yield. All these properties are simultaneously exploited in the noble liquid Time Projecting Chambers (TPCs) which allow to visualize charge tracks, measure the deposited energy and the light to charge ratio [1]. One...Go to contribution page
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Mr Stephane Aune (DAPNIA, Centre d' Etudes de Saclay, Gif sur Yvette Cedex 91191, France)16/09/2005, 12:00A new technique of fabrication of Micromegas (MM) using the PCB technologies has been developed. A standard commercial wire mesh (19 m) was employed as cathode element and the amplification gap was defined by using spacers (pillars) made out of a 100 m thick Solder Mask (SM). After a three steps process, lamination, insulation and development, the detector core is obtained as a...Go to contribution page
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Dr Alison Laird (University of York)16/09/2005, 12:15A new detector for nuclear astrophysics studies is being designed and built by TRIUMF and the University of York. TACTIC, the TRIUMF Annular Chamber for Tracking and Identification of Charged particles, is designed to detect low energy charged particles from reaction studies performed at the relevant astrophysical energies, in inverse kinematics. TACTIC is a cylindrical ionisation...Go to contribution page
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Dr Nicholas Lockerbie (University of Strathclyde)Detectors for Astro-Particle PhysicsContributed TalkA simple optical displacement sensor consisting of an infrared LED source, a photodiode detector, and an occluding ‘flag’, has been investigated, for potential use in the Advanced LIGO gravitational wave detectors. A number of different commercially available LEDs and photodiodes were tried in the displacement sensor, and an optimal pair was found. A surprising geometrical effect...Go to contribution page
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Dr Andrew Blue (Dept. Of Physics & Astronomy, University of Glasgow)Applications in Astronomy and AstrophysicsContributed TalkWith attractive features such as low power consumption, high dynamic range and increased in-pixel functionality, Active Pixel Sensors (APS) have begun to rival charge-coupled devices (CCD) for use as imaging sensors. Recently work has been undertaken in order to produce APS devices with enhanced performance and extended wavelength sensitivity as an alternative to so-called science...Go to contribution page
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Prof. Robert Lewis (Monash University)
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Dr Stephen Biagi (University of Liverpool)Pixel Detectors for Charged ParticlesContributed PosterThe charge collection properties of the LHCb n on n silicon Strip detector was modelled using the DIOS and DESSIS Packages from the ISE/synopsys program suite. The detector response to MIPS was modelled in detail as a function Of applied bias voltage,radiation damage and incident track angle. a centroid shift in the collected charge between positive and Negative incident track...Go to contribution page
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Dr Ilhan Tapan (Uludag Universitesi)Applications in Particle PhysicsContributed PosterThe charge carriers in the detector volume created in the gas amplification process cause a space charge effect. The fluctuation in gas amplification process is one of the main factor in the energy resolution of proportional counters. At low bias voltages only a very small number of charge carriers are generated and so the space charge effect is negligibly low. However, as bias...Go to contribution page
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