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HomeUncategorizedEvidence of Antineutrinos from Distant Reactors Using Pure Water at SNO+

Evidence of Antineutrinos from Distant Reactors Using Pure Water at SNO+

[Submitted on 25 Oct 2022 (v1), last revised 28 Mar 2023 (this version, v3)]

Authors:SNO+ Collaboration: A. Allega, M. R. Anderson, S. Andringa, J. Antunes, M. Askins, D. J. Auty, A. Bacon, N. Barros, F. Barao, R. Bayes, E. W. Beier, T. S. Bezerra, A. Bialek, S. D. Biller, E. Blucher, E. Caden, E. J. Callaghan, S. Cheng, M. Chen, B. Cleveland, D. Cookman, J. Corning, M. A. Cox, R. Dehghani, J. Deloye, C. Deluce, M. M. Depatie, J. Dittmer, K. H. Dixon, F. Di Lodovico, E. Falk, N. Fatemighomi, R. Ford, K. Frankiewicz, A. Gaur, O. I. Gonzalez-Reina, D. Gooding, C. Grant, J. Grove, A. L. Hallin, D. Hallman, W. J. Heintzelman, R. L. Helmer, J. Hu, R. Hunt-Stokes, S. M. A. Hussain, A. S. Inacio, C. J. Jillings, S. Kaluzienski, T. Kaptanoglu, P. Khaghani, H. Khan, J. R. Klein, L. L. Kormos, B. Krar, C. Kraus, C. B. Krauss, T. Kroupova, I. Lam, B. J. Land, I. Lawson, L. Lebanowski, J. Lee, C. Lefebvre, J. Lidgard, Y. H. Lin, V. Lozza, M. Luo, A. Maio, S. Manecki, J. Maneira, R. D. Martin, N. McCauley, A. B. McDonald, C. Mills, I. Morton-Blake, S. Naugle, L. J. Nolan, H. M. O’Keeffe, G. D. Orebi Gann, J. Page, W. Parker, J. Paton, S. J. M. Peeters, L. Pickard, P. Ravi, A. Reichold, S. Riccetto, R. Richardson, M. Rigan, J. Rose, R. Rosero, J. Rumleskie, I. Semenec, P. Skensved, M. Smiley, R. Svoboda, B. Tam, J. Tseng

et al. (16 additional authors not shown)

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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 3.5$sigma$.

Submission history

From: Logan Lebanowski [view email]

Tue, 25 Oct 2022 16:48:33 UTC (294 KB)

Thu, 27 Oct 2022 12:39:26 UTC (294 KB)

Tue, 28 Mar 2023 20:16:16 UTC (294 KB)

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