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SUMMARY:Photomultiplier tubes for optical modules: Study for Hyper-Kamioka
 nde outer detector.
DTSTART;VALUE=DATE-TIME:20261027T160500Z
DTEND;VALUE=DATE-TIME:20261027T161000Z
DTSTAMP;VALUE=DATE-TIME:20261027T081951Z
UID:indico-contribution-6424@cern.ch
DESCRIPTION:Speakers: Yan Stroke (INR RAS)\nThis work addresses the combin
 ed use of photomultiplier tubes (PMTs) and polymethyl methacrylate (PMMA) 
 wavelength‑shifting (WLS) plates within optical modules of the Hyper‑K
 amiokande outer detector. The goal is to identify the PMT parameters that 
 critically affect the module’s light yield and the veto efficiency. A co
 mparative analysis of several PMT types with different photocathode charac
 teristics and dark‑noise levels is performed. Special attention is paid 
 to the local cathode sensitivity at the optical contact area with the WLS 
 plate\, as this factor governs the conversion efficiency of the shifted li
 ght.\n\nhttps://indico.particle.mephi.ru/event/626/contributions/6424/
LOCATION:Sevastopol hotel Conference Hall 1
URL:https://indico.particle.mephi.ru/event/626/contributions/6424/
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