Measurement of Reactor Antineutrino Oscillation at SNO

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Abreu, M, Albanese, V, Allega, A, Alves, R, Anderson, MR, Andringa, S, Anselmo, L, Antunes, J, Arushanova, E, Asahi, S et al (show 289 more authors) , Askins, M, Asner, DM, Auty, DJ, Back, AR, Back, S, Bacon, A, Baltazar, T, Barao, F, Barnard, Z, Barr, A, Barros, N, Bartlett, D, Bayes, R, Beaudoin, C, Beier, EW, Berardi, G, Bezerra, TS, Bialek, A, Biller, SD, Blucher, E, Boeltzig, A, Bonventre, R, Boulay, M, Braid, D, Caden, E, Callaghan, EJ, Caravaca, J, Carvalho, J, Cavalli, L, Chauhan, D, Chen, M, Cheng, S, Chkvorets, O, Clark, KJ, Cleveland, B, Connors, C, Cookman, D, Corning, J, Coulter, IT, Cox, MA, Cressy, D, Dai, X, Darrach, C, DeGraw, S, Dehghani, R, Deloye, J, Depatie, MM, Descamps, F, Dima, C, Dittmer, J, Dixon, KH, Di Lodovico, F, Doxtator, A, Duhaime, N, Duncan, F, Dunger, J, Earle, AD, Esmaeilian, MS, Fabris, D, Falk, E, Farrugia, A, Fatemighomi, N, Felber, C, Fischer, V, Fletcher, E, Ford, R, Frankiewicz, K, Gagnon, N, Gaur, A, Gauthier, J, Gibson-Foster, A, Gilje, K, Gonzalez-Reina, OI, Gooding, D, Gorel, P, Graham, K, Grant, C, Grove, J, Grullon, S, Guillian, E, Hahn, RL, Hall, S, Hallin, AL, Hallman, D, Hans, S, Hartnell, J, Harvey, P, Hearns, C, Hebert, MR, Hedayatipour, M, Heintzelman, WJ, Heise, J, Helmer, RL, Hewitt, C, Hodak, B, Hodak, M, Hood, M, Horne, D, Howe, M, Hreljac, B, Hu, J, Huang, P, Hunt-Stokes, R, Iida, T, Inacio, AS, Jackson, CM, Jelley, NA, Jillings, CJ, Jones, C, Jones, PG, Kaluzienski, S, Kamdin, K, Kaptanoglu, T, Kaspar, J, Keeter, K, Kefelian, C, Khaghani, P, Kippenbrock, L, Kladnik, J, Klein, JR, Knapik, R, Kofron, J, Kormos, LL, Korte, S, Krar, B, Kraus, C, Krauss, CB, Kroupova, T, Labe, K, Lafleur, F, Lake, C, Lam, I, Lan, C, Land, BJ, Lane, R, Langrock, S, Larochelle, P, Larose, S, LaTorre, A, Lawson, I, Lebanowski, L, Lee, J, Lefebvre, C, Lefeuvre, GM, Leming, EJ, Li, A, Li, O, Lidgard, J, Liggins, B, Liimatainen, P, Lin, YH, Liu, X, Liu, Y, Lozza, V, Luo, M, Maguire, S, Maio, A, Majumdar, K ORCID: 0000-0003-3473-2376, Manecki, S, Maneira, J, Martin, RD, Marzec, E, Mastbaum, A, Mathewson, A, McCauley, N ORCID: 0000-0002-5982-5125, McDonald, AB, McFarlane, K, Mekarski, P, Meyer, M, Miller, C, Mills, C, Milton, G, Mlejnek, M, Mony, E, Morissette, B, Morris, D, Morton-Blake, I, Mottram, MJ, Mubasher, M, Nae, S, Naugle, S, Newcomer, M, Nirkko, M, Nolan, LJ, Novikov, VM, O'Keeffe, HM, O'Sullivan, E, Gann, GD Orebi, Ouyang, S, Page, J, Pal, S, Paleshi, K, Parker, W, Parnell, MJ, Paton, J, Peeters, SJM, Pershing, T, Petriw, Z, Petzoldt, J, Pickard, LJ, Pracsovics, D, Prior, G, Prouty, JC, Quenallata, B, Quirk, S, Ravi, P, Read, S, Reichold, A, Reinhard, M, Riccetto, S, Rigan, M, Ritchie, I, Robertson, A, Robertson, BC, Rose, J ORCID: 0000-0002-3388-8136, Rosero, R, Rost, PM, Rumleskie, J, Sorensen, A, Schrock, P, Schumaker, MA, Schwendener, MH, Scislowski, D, Secrest, J, Seddighin, M, Segui, L, Seibert, S, Semenec, I, Shaker, F, Shantz, T, Sharma, MK, Shen, J, Shokair, TM, Sibley, L, Simms, J, Sinclair, JR, Singh, K, Skensved, P, Smiley, M, Sonley, T, St-Amant, M, Stainforth, R, Stankiewicz, S, Strait, M, Stringer, MI, Stripay, A, Svoboda, R, Tacchino, S, Tafirout, R, Tam, B, Tanguay, C, Tatar, J, Tian, L, Tolich, N, Tseng, J, Tseung, HWC, Turner, E, Vazquez-Jauregui, E, Valder, S, Van Berg, R, Veinot, JGC, Virtue, CJ, Von Krosigk, B, Walker, JMG, Walker, M, Wallig, J, Walton, SC, Wang, F, Wang, J, Ward, M, Waterfield, J, Weigand, JJ, White, RF, Wilkerson, JF, Wilson, JR, Wilson, JD, Winchester, TJ, Woosaree, P, Wright, A, Yang, S, Yazigi, K, Ye, Z, Yeh, M, Yu, S, Zhang, T, Zhang, Y, Zhao, T, Zuber, K and Zummo, A (2025) Measurement of Reactor Antineutrino Oscillation at SNO PHYSICAL REVIEW LETTERS, 135 (12). 121801-. ISSN 0031-9007, 1079-7114

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Abstract

SNO+ Collaboration reports its second spectral analysis of reactor antineutrino oscillation using 286 ton-yr of new data. The measured energies of reactor antineutrino candidates were fitted to obtain the second-most precise determination of the neutrino mass-squared difference Δm212=(7.96-0.42+0.48)×10-5 eV2. Constraining Δm212 and sin2θ12 with measurements from long-baseline reactor antineutrino and solar neutrino experiments yields Δm212=(7.58-0.17+0.18)×10-5 eV2 and sin2θ12=0.308±0.013. This fit also yields a first measurement of the flux of geoneutrinos in the Western Hemisphere, with 73-43+47 TNU at SNO+.

Item Type:	Article
Uncontrolled Keywords:	<math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><mi>SNO</mi><mo>+</mo><mtext>Collaboration</mtext></mrow></math>
Divisions:	Faculty of Science & Engineering Faculty of Science & Engineering > School of Physical Sciences
Depositing User:	Symplectic Admin
Date Deposited:	25 Sep 2025 09:24
Last Modified:	23 May 2026 10:35
DOI:	10.1103/gypt-lc9v
Open Access URL:	https://journals.aps.org/prl/abstract/10.1103/gypt...
Related Websites:	Author Publisher
URI:	https://livrepository.liverpool.ac.uk/id/eprint/3194593
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