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Performance of PMTs for the JSNS2experiment
- Authors
- Park, J.S.; Furuta, H.; Maruyama, T.; Monjushiro, S.; Nishikawa, K.; Taira, M.; Jang, J.S.; Joo, K.K.; Kim, J.Y.; Lim, I.T.; Moon, D.H.; Seo, J.H.; Shin, C.D.; Zohaib, A.; Gwak, P.; Jang, M.; Ajimura, S.; Hiraiwa, T.; Nakano, T.; Nomachi, M.; Shima, T.; Sugaya, Y.; Cheoun, M.K.; Choi, J.H.; Pac, M.Y.; Dodo, T.; Hino, Y.; Suekane, F.; Ujiie, R.; Harada, M.; Hasegawa, S.; Kasugai, Y.; Meigo, S.; Sakai, K.; Sakamoto, S.; Suzuya, K.; Jordan, J.R.; Spitz, J.; Marzec, E.; Botran, M.; Kawasaki, T.; Konno, T.; Jang, H.I.; Kang, S.K.; Kim, E.J.; Seo, H.; Kim, S.Y.; Kim, W.; Niiyama, M.; Peeters, S.J.M.; Ray, H.; Rott, C.; Yu, I.; Jeon, H.; Jeon, S.; Jung, D.E.; Kim, S.B.; Kwon, E.; Lee, D.H.; Stancu, I.; Yeh, M.
- Issue Date
- Jul-2020
- Publisher
- Institute of Physics Publishing
- Keywords
- Gamma detectors (scintillators, CZT, HPGe, HgI etc); Neutrino detectors
- Citation
- Journal of Instrumentation, v.15, no.7
- Journal Title
- Journal of Instrumentation
- Volume
- 15
- Number
- 7
- ISSN
- 1748-0221
- Abstract
- The JSNS2 (J-PARC Sterile Neutrino Search at J-PARC Spallation Neutron Source) experiment aims to search for neutrino oscillations over a 24 m short baseline at J-PARC . The JSNS2 inner detector is filled with 17 tons of gadolinium-loaded liquid scintillator (LS) and both the intermediate γ-catcher and the optically separated outer veto are filled with un-loaded LS . Optical photons from scintillation are observed by 120 Photomultiplier Tubes (PMTs). A total of 130 PMTs for the JSNS2 experiment were either donated by other experiments or purchased from Hamamatsu. Donated PMTs were purchased around 10 years ago, therefore JSNS2 did pre-calibration of the PMTs including the purchased PMTs. 123 PMTs demonstrated acceptable performance for the JSNS2 experiment, and 120 PMTs were installed in the detector. © 2020 IOP Publishing Ltd and Sissa Medialab.
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Related Researcher
- Cheoun, Myung-Ki
- College of Natural Sciences (Department of Physics)