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Characterization of the correlated background for a sterile neutrino search using the first dataset of the JSNS^2 experiment

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journal contribution
posted on 2023-06-10, 03:12 authored by Y Hino, S Ajimura, M K Cheoun, J H Choi, T Dodo, H Furuta, J Goh, K Haga, M Harada, S Hasegawa, T Hiraiwa, W Hwang, H I Jang, J S Jang, Simon PeetersSimon Peeters, others
JSNS2 (J-PARC Sterile Neutrino Search at J-PARC Spallation Neutron Source) is an experiment that is searching for sterile neutrinos via the observation of ?¯µ??¯e appearance oscillations using muon decay-at-rest neutrinos. Before dedicated data taking in the first-half of 2021, we performed a commissioning run for 10 days in June 2020. Using the data obtained in this commissioning run, in this paper, we present an estimate of the correlated background which imitates the ?¯e signal in a sterile neutrino search. In addition, in order to demonstrate future prospects of the JSNS2 experiment, possible pulse shape discrimination improvements towards reducing cosmic ray induced fast neutron background are described.

History

Publication status

  • Published

File Version

  • Published version

Journal

The European Physical Journal C

ISSN

1434-6052

Publisher

Springer

Issue

4

Volume

82

Page range

1-6

Article number

a331

Department affiliated with

  • Physics and Astronomy Publications

Full text available

  • Yes

Peer reviewed?

  • Yes

Legacy Posted Date

2022-04-21

First Open Access (FOA) Date

2022-04-21

First Compliant Deposit (FCD) Date

2022-04-21

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