Evidence of Antineutrinos from Distant Reactors using Pure Water at SNO

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Allega, A, Anderson, MR, Andringa, S, Antunes, J, Askins, M, Auty, DJ, Bacon, A, Barros, N, Barao, F, Bayes, R et al (show 105 more authors) , Beier, EW, Bezerra, TS, Bialek, A, Biller, SD, Blucher, E, Caden, E, Callaghan, EJ, Cheng, S, Chen, M, Cleveland, B, Cookman, D, Corning, J, Cox, MA, Dehghani, R, Deloye, J, Deluce, C, Depatie, MM, Dittmer, J, Dixon, KH, Di Lodovico, F, Falk, E, Fatemighomi, N, Ford, R, Frankiewicz, K, Gaur, A, Gonzalez-Reina, OI, Gooding, D, Grant, C, Grove, J, Hallin, AL, Hallman, D, Heintzelman, WJ, Helmer, RL, Hu, J, Hunt-Stokes, R, Hussain, SMA, Inacio, AS, Jillings, CJ, Kaluzienski, S, Kaptanoglu, T, Khaghani, P, Khan, H, Klein, JR, Kormos, LL, Krar, B, Kraus, C, Krauss, CB, Kroupova, T, Lam, I, Land, BJ, Lawson, I, Lebanowski, L, Lee, J, Lefebvre, C, Lidgard, J, Lin, YH, Lozza, V, Luo, M, Maio, A, Manecki, S, Maneira, J, Martin, RD, McCauley, N ORCID: 0000-0002-5982-5125, McDonald, AB, Mills, C, Morton-Blake, I, Naugle, S, Nolan, LJ, O'Keeffe, HM, Gann, GD Orebi, Page, J, Parker, W, Paton, J, Peeters, SJM, Pickard, L, Ravi, P, Reichold, A, Riccetto, S, Richardson, R, Rigan, M, Rose, J ORCID: 0000-0002-3388-8136, Rosero, R, Rumleskie, J, Semenec, I, Skensved, P, Smiley, M, Svoboda, R, Tam, B, Tseng, J, Turner, E, Valder, S, Virtue, CJ, Vazquez-Jauregui, E, Wang, J, Ward, M, Wilson, JR, Wilson, JD, Wright, A, Yanez, JP, Yang, S, Yeh, M, Yu, S, Zhang, Y, Zuber, K and Zummo, A (2023) Evidence of Antineutrinos from Distant Reactors using Pure Water at SNO. PHYSICAL REVIEW LETTERS, 130 (9). 091801-. ISSN 0031-9007, 1079-7114

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Abstract

The SNO+ Collaboration reports the first evidence of reactor antineutrinos in a Cherenkov detector. The nearest nuclear reactors are located 240 km away in Ontario, Canada. This analysis uses events with energies lower than in any previous analysis with a large water Cherenkov detector. Two analytical methods are used to distinguish reactor antineutrinos from background events in 190 days of data and yield consistent evidence for antineutrinos with a combined significance of 3.5σ.

Item Type:	Article
Uncontrolled Keywords:	<math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><mi>SNO</mi><mo>+</mo></mrow></math> Collaboration
Divisions:	Faculty of Science and Engineering > School of Physical Sciences
Depositing User:	Symplectic Admin
Date Deposited:	05 May 2023 09:09
Last Modified:	07 Dec 2024 05:03
DOI:	10.1103/PhysRevLett.130.091801
Open Access URL:	https://doi.org/10.1103/PhysRevLett.130.091801
Related URLs:	Author Publisher
URI:	https://livrepository.liverpool.ac.uk/id/eprint/3170195