Characterization of the 20-inch Photomultiplier Tubes for RENE Detector
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arXiv
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| Natura: | Preprint |
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2026
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| author | Oh, Junkyo Yang, Byeongsu Heo, Cheong Jung, Daeun Moon, Dong Ho Yun, Eungyu Park, Hyun Woo Lee, Jae Sik Park, Jisu Choi, Ji Young Joo, Kyung Kwang Park, Ryeong Gyoon Kim, Sang Yong Lee, Sunkyu Yeo, Insung Pac, Myoung Youl Jang, Jee-Seung Kim, Eun-Joo Hwang, Hyunho Goh, Junghwan Hwang, Wonsang Ryu, Jiwon Park, Jungsic Bae, Kyu Jung Hong, SeoBeom Kim, Hyunsoo Kim, Dojin Yoo, Jonghee Choi, Seunghwan Lee, Wonjun Park, Jubin Cheoun, Myung-Ki Yu, Intae |
| author_facet | Oh, Junkyo Yang, Byeongsu Heo, Cheong Jung, Daeun Moon, Dong Ho Yun, Eungyu Park, Hyun Woo Lee, Jae Sik Park, Jisu Choi, Ji Young Joo, Kyung Kwang Park, Ryeong Gyoon Kim, Sang Yong Lee, Sunkyu Yeo, Insung Pac, Myoung Youl Jang, Jee-Seung Kim, Eun-Joo Hwang, Hyunho Goh, Junghwan Hwang, Wonsang Ryu, Jiwon Park, Jungsic Bae, Kyu Jung Hong, SeoBeom Kim, Hyunsoo Kim, Dojin Yoo, Jonghee Choi, Seunghwan Lee, Wonjun Park, Jubin Cheoun, Myung-Ki Yu, Intae |
| contents | To address the Reactor Antineutrino Anomaly (RAA) observed in neutrino experiments, the Reactor Experiment for Neutrino and Exotics (RENE) has been initiated using a liquid scintillation detector. In this study, we investigate the characteristics of two 20-inch Hamamatsu R12860 photomultiplier tubes (PMTs) intended for installation in the RENE detector. The charge and timing responses of the PMTs were evaluated at both the nominal and target gains expected during actual operation. In particular, gain non-uniformity arising from the large-diameter photocathode with a box-and-line type dynode structure was examined, and the maximum gain variation was measured. The occurrence rate, timing, and charge distributions of late pulses and afterpulses were also investigated to characterize the specific response features of the R12860 PMT. The results reported in this study will aid in the interpretation of signals from the RENE detector and serve as a reference for estimating potential systematic uncertainties in RENE data. Furthermore, these findings are expected to provide valuable information for other experiments employing the same type of PMTs. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2604_11727 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Characterization of the 20-inch Photomultiplier Tubes for RENE Detector Oh, Junkyo Yang, Byeongsu Heo, Cheong Jung, Daeun Moon, Dong Ho Yun, Eungyu Park, Hyun Woo Lee, Jae Sik Park, Jisu Choi, Ji Young Joo, Kyung Kwang Park, Ryeong Gyoon Kim, Sang Yong Lee, Sunkyu Yeo, Insung Pac, Myoung Youl Jang, Jee-Seung Kim, Eun-Joo Hwang, Hyunho Goh, Junghwan Hwang, Wonsang Ryu, Jiwon Park, Jungsic Bae, Kyu Jung Hong, SeoBeom Kim, Hyunsoo Kim, Dojin Yoo, Jonghee Choi, Seunghwan Lee, Wonjun Park, Jubin Cheoun, Myung-Ki Yu, Intae Instrumentation and Detectors High Energy Physics - Experiment To address the Reactor Antineutrino Anomaly (RAA) observed in neutrino experiments, the Reactor Experiment for Neutrino and Exotics (RENE) has been initiated using a liquid scintillation detector. In this study, we investigate the characteristics of two 20-inch Hamamatsu R12860 photomultiplier tubes (PMTs) intended for installation in the RENE detector. The charge and timing responses of the PMTs were evaluated at both the nominal and target gains expected during actual operation. In particular, gain non-uniformity arising from the large-diameter photocathode with a box-and-line type dynode structure was examined, and the maximum gain variation was measured. The occurrence rate, timing, and charge distributions of late pulses and afterpulses were also investigated to characterize the specific response features of the R12860 PMT. The results reported in this study will aid in the interpretation of signals from the RENE detector and serve as a reference for estimating potential systematic uncertainties in RENE data. Furthermore, these findings are expected to provide valuable information for other experiments employing the same type of PMTs. |
| title | Characterization of the 20-inch Photomultiplier Tubes for RENE Detector |
| topic | Instrumentation and Detectors High Energy Physics - Experiment |
| url | https://arxiv.org/abs/2604.11727 |