Bulletin of the American Physical Society
5th Joint Meeting of the APS Division of Nuclear Physics and the Physical Society of Japan
Volume 63, Number 12
Tuesday–Saturday, October 23–27, 2018; Waikoloa, Hawaii
Session CH: Instrumentation I
7:00 PM–9:45 PM,
Wednesday, October 24, 2018
Hilton Room: Kona 1
Chair: Alan Wuosmaa, University of Connecticut
Abstract ID: BAPS.2018.HAW.CH.11
Abstract: CH.00011 : Study of HQE-PMT property for KamLAND2-Zen
9:30 PM–9:45 PM
KamLAND2-Zen is an upgrade of the existing KamLAND-Zen, which searchs for neutrino-less double beta decay with 136Xe.
The update is mainly motivated to improve energy resolution by the combination of brighter LS, HQE-PMT and light collecting mirrors. However, this improvement will make it difficult to measure muon events since the expected number of photo electron will be too large, and non-linear region in PMTs. Increase of after pulse is also serious issue.
In this presentation, we study HQE-PMT property and discuss possible optimization of PMT configuration for KamLAND2-Zen.
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2018.HAW.CH.11
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