Performance of PMTs for the JSNS2 experiment
Abstract
The JSNS (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 JSNS inner detector is filled with 17 tons of gadolinium-loaded liquid scintillator (LS) and both the intermediate -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 both donated by other experiments and purchased from Hamamatsu. Donated PMTs were purchased around 10 years ago, therefore JSNS did pre-calibration of the PMTs including the purchased PMTs. 123 PMTs demonstrated acceptable performance for the JSNS experiment, and 120 PMTs were installed in the detector.
Keywords
Cite
@article{arxiv.2005.01599,
title = {Performance of PMTs for the JSNS2 experiment},
author = {J. S. Park and H. Furuta and T. Maruyama and S. Monjushiro and K. Nishikawa and M. Taira and J. S. Jang and K. K. Joo and J. Y. Kim and I. T. Lim and D. H. Moon and J. H. Seo and C. D. Shin and A. Zohaib and P. Gwak and M. Jang and S. Ajimura and T. Hiraiwa and T. Nakano and M. Nomachi and T. Shima and Y. Sugaya and M. K. Cheoun and J. H. Choi and M. Y. Pac and T. Dodo and Y. Hino and F. Suekane and R. Ujiie and M. Harada and S. Hasegawa and Y. Kasugai and S. Meigo and K. Sakai and S. Sakamoto and K. Suzuya and J. R. Jordan and J. Spitz and E. Marzec and M. Botran and T. Kawasaki and T. Konno and H. I. Jang and S. K. Kang and E. J. Kim and H. Seo and S. Y. Kim and W. Kim and M. Niiyama and S. J. M. Peeters and H. Ray and C. Rott and I. Yu and H. Jeon and S. Jeon and D. E. Jung and S. B. Kim and E. Kwon and D. H. Lee and I. Stancu and M. Yeh},
journal= {arXiv preprint arXiv:2005.01599},
year = {2020}
}