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Title: Vacuum phototriodes for the CMS electromagnetic calorimeter endcap
Authors: Bell, KW
Brown, RM
Cockerill, DJA
Flower, PS
Hobson, PR
Kennedy, BW
Lintern, AL
Selby, CS
Sharif, O
Sproston, M
Williams, JH
Keywords: Calorimetry;Photodetectors;Photomultipliers
Issue Date: 2004
Publisher: IEEE
Citation: IEEE Transactions on Nuclear Science. 51(5): 2284 - 2287
Abstract: The measurement of scintillation light from the lead tungstate crystals of the Compact Muon Solenoid (CMS) electromagnetic calorimeter (ECAL) poses a substantial technical challenge, particularly in the endcap regions, where the radiation levels are highest. The photodetectors must be fast, sensitive, radiationhard, and operate with significant internal gain in a magnetic field of 4 Tesla. The measured performance characteristics of the first batches of series production vacuum phototriodes (VPT), developed to satisfy the needs of CMS, will be described.
ISSN: 0018-9499
Appears in Collections:Electronic and Computer Engineering
Dept of Electronic and Electrical Engineering Research Papers

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