-
Mr Asimakis Asimidis (University of Ioannina)15/09/2005, 10:30X-ray and Gamma-ray DetectorsContributed PosterA 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
-
Mr Steven Plank (University of Edinburgh)15/09/2005, 10:30Applications in Space ScienceContributed PosterDRIFT (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
-
Mr Amir Intisar (School of Engineering and Design, Brunel University)15/09/2005, 10:30Applications in Astronomy and AstrophysicsContributed PosterWe 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
-
Dr Masaki Kataigiri (Japan Atomic Energy Research Institute)15/09/2005, 10:30Novel Gas-based Detection TechniquesContributed PosterWe 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
-
Dr Michael Karagounis (Universitaet Bonn)15/09/2005, 10:30Applications in Particle PhysicsContributed PosterAn 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
-
Dr Kazuhiro Nakazawa (Department of High Energy Astrophysics, ISAS/JAXA, Japan)15/09/2005, 10:30X-ray and Gamma-ray DetectorsContributed PosterCompton 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
-
Mr Atsushi Takada (Kyoto University)15/09/2005, 10:30New Gas-based Tracking DetectorsContributed PosterA 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
-
Prof. R.Ferreira Marques (Laboratório de Instrumentação e Física Experimental de Partículas , Portugal)15/09/2005, 10:30Pixel Detectors for Charged ParticlesContributed PosterTiming 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
-
Mr Ferran Fernandez Banque (LLS, Barcelona, Spain)15/09/2005, 10:30X-ray and Gamma-ray DetectorsContributed PosterOne 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
-
Mr James Parkin (University of Surrey)15/09/2005, 10:30New Solid-State Detector TechnologyContributed PosterCadmium 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
-
Dr Junko Kohagura (Plasma Research Centre, University of Tsukuba)15/09/2005, 10:30X-ray and Gamma-ray DetectorsContributed PosterTwo- 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
-
Mr James Carpenter (Space Research Centre, University of Leicester)15/09/2005, 10:30Applications in Space ScienceContributed PosterModern 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
-
Mr Kenji Shimazoe (Department of Quantum Engineering and Systems Science, University of Tokyo, Japan)15/09/2005, 10:30New Techniques for Positron Emission TomographyContributed PosterWe 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
-
Suzanne Crittell (University of Liverpool)15/09/2005, 10:30Applications in Nuclear Medicine And RadiologyContributed PosterThe 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
-
Mr Neil Murray (Brunel University)15/09/2005, 10:30Applications in Astronomy and AstrophysicsContributed PosterThe 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
-
Dr Giulio Pellegrini (Univ. Autonoma de Barcelona, Spain)15/09/2005, 10:30Applications in Nuclear Medicine And RadiologyContributed PosterCharge 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
-
Prof. Bob Ott (University of Surrey, Rutherford Appleton Laboratories and the Institute of Cancer Research)15/09/2005, 10:30Applications in Nuclear Medicine And RadiologyContributed PosterThe 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
-
Mr Andrzej Kotarba (Polish Academy of Sciences)15/09/2005, 10:30Applications in Particle PhysicsContributed PosterA 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
-
Dr Fred Ruddell (Northern Ireland Semiconductor Research Centre)15/09/2005, 10:30New Solid-State Detector TechnologyContributed PosterThere 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
-
Dr Robert Page (University of Liverpool)15/09/2005, 10:30Applications in Nuclear PhysicsContributed PosterGREAT 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
-
Dr Dhiren Kataria (Mullard Space Science Laboratory, University College London)15/09/2005, 10:30Applications in Space ScienceContributed PosterPosition 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
-
Dr Masaki Katagiri (Japan Atomic Energy Research Institute)15/09/2005, 10:30Applications in Nuclear PhysicsContributed PosterHigh-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
-
Prof. Robert Lewis (Monash University, Australia)15/09/2005, 10:30Applications in Nuclear Medicine And RadiologyContributed PosterThe 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
-
Mr Andrea Fant (Rutherford Appleton Laboratory)15/09/2005, 10:30X-ray and Gamma-ray DetectorsContributed PosterThe 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
-
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
-
Dr Serena Mattiazzo (University of Padova, Dept. of Physics & INFN Padova)15/09/2005, 10:30Applications in Nuclear PhysicsContributed PosterAt 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
-
Dr Peter Kodys (Institute of Particle and Nuclear Physics, Charles University)15/09/2005, 10:30Pixel Detectors for Charged ParticlesContributed PosterThis 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
-
Dr Kamil SEDLAK (University of Oxford)15/09/2005, 10:30Applications in Particle PhysicsContributed PosterThe 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
-
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
-
Mr Hugo Natal da Luz (University of Coimbra)15/09/2005, 10:30New Gas-based Tracking DetectorsContributed PosterMicroHole 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
-
Dr Tanja Palviainen (Lappeenranta University of Technology, Finland)15/09/2005, 10:30Applications in Particle PhysicsContributed PosterDetectors 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
-
Dr J.C. Bourgoin (Université Pierre et Marie Curie)15/09/2005, 10:30New Solid-State Detector TechnologyContributed PosterSelf-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
-
Mr Dale Philips (Monash University, Australia)15/09/2005, 10:30Applications in Nuclear Medicine And RadiologyContributed PosterThe 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
-
Mr Ferran Fernandez Banque (LLS, Barcelona, Spain)15/09/2005, 10:30Novel Gas-based Detection TechniquesContributed PosterMicro 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
-
Dr Jon Lapington (Space Research Centre, University of Leicester)15/09/2005, 10:30Applications in Space ScienceContributed PosterSimulation 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
-
Dr Junko Kohagura (Plasma Research Centre, University of Tsukuba)15/09/2005, 10:30X-ray and Gamma-ray DetectorsContributed PosterRecent 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
-
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
-
Mr Noriaka Tawa (Osaka University)15/09/2005, 10:30Applications in Astronomy and AstrophysicsContributed PosterWe 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
-
Celeste Fleta (Centro Nacional de Microelectrónica)15/09/2005, 10:30Pixel Detectors for Charged ParticlesContributed PosterOne 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
-
Mr Jerome Beucher (Ecole des Mines de Nantes)15/09/2005, 10:30Novel Gas-based Detection TechniquesContributed PosterWe 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
-
Mr Francisco Neves (University of Coimbra)15/09/2005, 10:30X-ray and Gamma-ray DetectorsContributed PosterLiquid 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
-
Prof. Robert Lewis (Monash University, Australia)15/09/2005, 10:30New Techniques for Positron Emission TomographyContributed PosterThe 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
-
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
-
Mr Gabriele Segneri (INFN Pisa and Università di Pisa, Italy)15/09/2005, 10:30Applications in Particle PhysicsContributed PosterAn 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
-
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
-
Mr David Scraggs (University of Liverpool)15/09/2005, 10:30New Techniques for Positron Emission TomographyContributed PosterThe 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
-
Mr Matthew Dimmock (University of Liverpool)15/09/2005, 10:30Applications in Nuclear PhysicsContributed TalkHigh-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
-
Mr Alexander Furgeri (University of Karlsruhe)15/09/2005, 10:30Applications in Particle PhysicsContributed PosterThe 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
-
Dr Jamil Mir (CCLRC Rutherford Appleton Laboratory)15/09/2005, 10:30Novel Gas-based Detection TechniquesContributed PosterAbstract: 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
-
Mr Andrew Mather (University of Liverpool)15/09/2005, 10:30New Techniques for Positron Emission TomographyContributed PosterThe 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
-
Mr Reynold Cooper (University of Liverpool)15/09/2005, 10:30New Techniques for Positron Emission TomographyContributed PosterThe 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
-
Prof. Gerhard Lutz (MPI Halbleiterlabor, Munich)15/09/2005, 10:30Pixel Detectors for Charged ParticlesContributed PosterA 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
-
Mr Thomas Greig (Brunel University)15/09/2005, 10:30X-ray and Gamma-ray DetectorsContributed PosterThe 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
-
Prof. Robert Lewis (Monash University, Australia)15/09/2005, 10:30New Techniques for Positron Emission TomographyContributed PosterThe 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
-
Mr Adrian Martindale (University of Leicester)15/09/2005, 10:30Applications in Astronomy and AstrophysicsContributed PosterWe 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
-
Dr Sorina Lazanu (National Institute for Materials Physics, Romania)15/09/2005, 10:30New Solid-State Detector TechnologyContributed PosterSemiconductor 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
-
Dr Junko Kohagura (Plasma Research Centre, University of Tsukuba)15/09/2005, 10:30X-ray and Gamma-ray DetectorsContributed PosterTomographic 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
Choose timezone
Your profile timezone: