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SUMMARY:GEANT4 simulation of a pixelized GaAs transition radiation detecto
 r.
DTSTART;VALUE=DATE-TIME:20261030T142000Z
DTEND;VALUE=DATE-TIME:20261030T143500Z
DTSTAMP;VALUE=DATE-TIME:20261028T160645Z
UID:indico-contribution-6337@cern.ch
DESCRIPTION:Speakers: Vladimir Tikhomirov (P.N.Lebedev Physical Institute\
 , Russian Academy of Sciences)\nTest experiments with several prototypes o
 f a transition radiation detector\nwere carried out in accelerator beams. 
 The detector is based on a GaAs crystal\ncoupled to a pixel chip with a pi
 xel size of 55 μm. Such a detector makes it\npossible to efficiently dist
 inguish the signals produced by the ionizing\nparticle from those produced
  by transition radiation photons\, thereby\nsignificantly improving the de
 tector’s rejection capability for particle\nidentification based on thei
 r different masses.\n A GEANT4-based simulation program was developed for 
 detailed modeling of\nthe detector. The program simulates in detail the pr
 imary processes of\ntransition radiation photon production and absorption\
 , the ionization\nenergy losses of beam particles\, as well as the detecto
 r response\, including\ncharge collection processes in the GaAs volume and
  signal formation in\nthe pixel chip.\n The simulation results are present
 ed and compared with the experimental data.\n\nhttps://indico.particle.mep
 hi.ru/event/626/contributions/6337/
LOCATION: Conference Hall 2
URL:https://indico.particle.mephi.ru/event/626/contributions/6337/
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