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- Title
Study on the accidental background of the JSNS2 experiment.
- Authors
Lee, D. H.; Ajimura, S.; Cheoun, M. K.; Choi, J. H.; Choi, J. Y.; Dodo, T.; Goh, J.; Haga, K.; Harada, M.; Hasegawa, S.; Hiraiwa, T.; Hwang, W.; Jang, H. I.; Jang, J. S.; Jeon, H.; Jeon, S.; Joo, K. K.; Jung, D. E.; Kang, S. K.; Kasugai, Y.
- Abstract
JSNS 2 (J-PARC Sterile Neutrino Search at J-PARC Spallation Neutron Source) is an experiment that searches for sterile neutrinos via the observation of ν ¯ μ → ν ¯ e appearance oscillations using muon decay-at-rest neutrinos. The JSNS 2 experiment performed data taking from 2021. In this manuscript, a study of the accidental background is presented. The rate of the accidental background is ( 9.29 ± 0.39) × 10 - 8 /spill with 0.75 MW beam power and comparable to the expected number of signal events.
- Subjects
STERILE neutrinos; NEUTRON sources; NEUTRINOS; NEUTRAL beams
- Publication
European Physical Journal C -- Particles & Fields, 2024, Vol 84, Issue 4, p1
- ISSN
1434-6044
- Publication type
Article
- DOI
10.1140/epjc/s10052-024-12778-7