Description
Novel Gas-based Detection Techniques
Prof.
Harry van der Graaf
01/09/2008, 10:50
Novel Gas-based Detection Techniques
Keynote talk
100 years ago, in Manchester, Hans Geiger operated the first gaseous
detector, which was the basis for 'wire chambers', widely applied as
track imaging in particle physics experiments.
In wire chambers gas amplification occurs, close to the wire surface,
due to he strong (1/R) electric field. This enables the detection of the
few single electrons created in the gas by ionisation...
Atsuhiko Ochi
(Department of Physics)
01/09/2008, 11:30
Novel Gas-based Detection Techniques
Oral Contribution
A novel MPGD "Micro-Mesh Micro-Pixel Chamber (M^3-PIC) has been developed for particle imaging and/or TPC readout. The M^3-PIC consists of a Micropixel chamber (u-PIC) and a thin micro mesh film. A point-like electric field is formed around the anode electrode which provides a higher gas gain and more stable operation than existing MPGDs. In addition, ion back flow (IBF) into the detection...
Dr
Dominic Duxbury
(RAL, STFC)
01/09/2008, 11:50
Novel Gas-based Detection Techniques
Oral Contribution
The HOTWAXS detector has been available for use by the scientific community at the Daresbury SRS for the last 18 months on stations 9.3 and 2.1. A second system has also recently been commissioned on station I22 of the Diamond light source and is in routine use. The detector is based on Microstrip Gas Chamber (MSGC) technology and offers high counting rate, parallax free, photon counting...
Vladimir Peskov
(Pole Universitaire Leonardo de Vinci)
01/09/2008, 12:10
Novel Gas-based Detection Techniques
Oral Contribution
We have developed a new generation of GEM-like detectors with double layered electrodes instead of commonly used metallic ones: with an inner layer consisting of thin metallic strips and an outer layer made of resistive grid manufactured by a screen printing technology. By measuring signals induced by avalanches on the inner strips one can obtain 2-D information about the position of the...
Dr
Guiliana Manzin
01/09/2008, 12:30
Novel Gas-based Detection Techniques
Oral Contribution
The construction of bidimensional tube-array detectors at the ILL, in particular the one for the SANS instrument D22, allowed to develop a purpose-built charge division electronics and to explore others structures having similar detection principles. One of these is the so-called Multitube in which, instead of having independent position sensitive tubes held together by a mechanical support,...
