Influence of neutrons on signal fluctuations for APD structures

Silicon Avalanche Photo-diodes (APDs) working in proportional were chosen as a readout device for the PbWO4 crystals in the barrel of the CMS Electromagnetic Calorimeter (ECAL). During 10 years of operation, the CMS ECAL will be exposed to 2×1013neutrons/cm2 under a severe radiation environment. In...

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Bibliographic Details
Published in:Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Accelerators, spectrometers, detectors and associated equipment, 2013-08, Vol.718, p.215-216
Main Authors: KA-lA-ASC, Adnan, KoASCak, Fatma, PiliASCer, Ercan, Tapan, ADGlhan
Format: Article
Language:English
Subjects:
Accelerators
Avalanche Photo-diode
Avalanches
Crystals
Devices
Fluctuation
Geant4 simulation
Photo-statistical fluctuations
Silicon
Spectrometers
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Summary:Silicon Avalanche Photo-diodes (APDs) working in proportional were chosen as a readout device for the PbWO4 crystals in the barrel of the CMS Electromagnetic Calorimeter (ECAL). During 10 years of operation, the CMS ECAL will be exposed to 2×1013neutrons/cm2 under a severe radiation environment. In this study, we studied on the effect of photo-statistical fluctuations from those of neutrons by using Geant4 toolkit.
ISSN:0168-9002
1872-9576
DOI:10.1016/j.nima.2012.11.110