Solar neutrino measurements using the full data period of Super-Kamiokande-IV
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Published:2024-05-03
Issue:9
Volume:109
Page:
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ISSN:2470-0010
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Container-title:Physical Review D
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language:en
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Short-container-title:Phys. Rev. D
Author:
Abe K.11, Bronner C.1ORCID, Hayato Y.11ORCID, Hiraide K.11ORCID, Hosokawa K.1ORCID, Ieki K.11ORCID, Ikeda M.11ORCID, Imaizumi S.1, Iyogi K.1, Kameda J.11, Kanemura Y.1, Kaneshima R.1, Kashiwagi Y.1, Kataoka Y.11ORCID, Kato Y.1, Kishimoto Y.11, Miki S.1, Mine S.12, Miura M.11, Mochizuki T.1, Moriyama S.11ORCID, Nagao Y.1, Nakahata M.11ORCID, Nakano Y.1ORCID, Nakayama S.11ORCID, Noguchi Y.1ORCID, Okada T.1, Okamoto K.1, Orii A.1, Sato K.1, Sekiya H.11ORCID, Shiba H.1, Shimizu K.1, Shiozawa M.11ORCID, Sonoda Y.1, Suzuki Y.1, Takeda A.11, Takemoto Y.11ORCID, Takenaka A.1, Tanaka H.11, Watanabe S.1, Yano T.1ORCID, Han S.1ORCID, Kajita T.113, Okumura K.11ORCID, Tashiro T.1ORCID, Tomiya T.1, Wang R.1ORCID, Wang X.1, Yoshida S.1, Bravo-Berguño D.4, Fernandez P.4ORCID, Labarga L.4ORCID, Ospina N.4ORCID, Zaldivar B.4, Pointon B. W.56ORCID, Blaszczyk F. d. M.7, Kachulis C.71, Kearns E.71ORCID, Raaf J. L.7, Stone J. L.7, Wan L.7ORCID, Wester T.7ORCID, Bian J.2, Griskevich N. J.2ORCID, Kropp W. R.2, Locke S.2, Smy M. B.2ORCID, Sobel H. W.21ORCID, Takhistov V.28, Weatherly P.2, Yankelevich A.2ORCID, Ganezer K. S.9, Hill J.9, Jang M. C.10, Kim J. Y.10, Lee S.10, Lim I. T.10, Moon D. H.10, Park R. G.10, Bodur B.11ORCID, Scholberg K.111ORCID, Walter C. W.111ORCID, Beauchêne A.12, Bernard L.12, Coffani A.12, Drapier O.12, El Hedri S.12, Giampaolo A.12, Imber J.12, Mueller Th. A.12ORCID, Paganini P.12ORCID, Rogly R.12ORCID, Quilain B.12, Santos A.12, Nakamura T.13, Jang J. S.14, Machado L. N.15ORCID, Learned J. G.16, Matsuno S.16, Iovine N.17ORCID, Choi K.17, Cao S.18, Anthony L. H. V.19, Litchfield R. P.19, Prouse N.19ORCID, Marin D.19, Scott M.19ORCID, Sztuc A. A.19, Uchida Y.19, Berardi V.20ORCID, Catanesi M. G.20, Intonti R. A.20, Radicioni E.20, Calabria N. F.21ORCID, De Rosa G.21, Langella A.21ORCID, Collazuol G.22ORCID, Iacob F.22ORCID, Lamoureux M.22, Mattiazzi M.22ORCID, Ludovici L.23, Gonin M.3, Périssé L.3, Pronost G.3ORCID, Fujisawa C.24, Maekawa Y.24, Nishimura Y.24ORCID, Okazaki R.24, Friend M.8, Hasegawa T.8ORCID, Ishida T.8, Jakkapu M.8, Kobayashi T.8, Matsubara T.8ORCID, Nakadaira T.8, Nakamura K.81ORCID, Oyama Y.8ORCID, Sakashita K.8, Sekiguchi T.8, Tsukamoto T.8, Boschi T.25, Bhuiyan N.25, Burton G. T.25, Gao J.25, Goldsack A.25, Katori T.25ORCID, Di Lodovico F.25, Migenda J.25ORCID, Molina Sedgwick S.25, Ramsden R. M.25ORCID, Taani M.25, Xie Z.25ORCID, Zsoldos S.251ORCID, Abe KE.26, Hasegawa M.26, Isobe Y.26, Kotsar Y.26, Miyabe H.26, Ozaki H.26, Shiozawa T.26, Sugimoto T.26, Suzuki A. T.26, Takagi Y.26, Takeuchi Y.261ORCID, Yamamoto S.26, Zhong H.26, Ashida Y.27, Feng J.27, Feng L.27, Hayashino T.27, Hirota S.27, Hu J. R.27ORCID, Hu Z.27ORCID, Jiang M.27, Kawaue M.27, Kikawa T.27, Mori M.27, Nakamura KE.27, Nakaya T.271ORCID, Wendell R. A.271ORCID, Yasutome K.27, Jenkins S. J.28ORCID, McCauley N.28ORCID, Mehta P.28, Pritchard A.28, Tarrant A.28ORCID, Wilking M. J.29, Fukuda Y.30ORCID, Itow Y.3131ORCID, Menjo H.31ORCID, Murase M.31, Ninomiya K.31, Niwa T.31, Tsukada M.31, Yoshioka Y.31, Frankiewicz K.32, Lagoda J.32, Mandal M.32, Mijakowski P.32, Prabhu Y. S.32, Zalipska J.32, Jiang J.33, Jia M.33, Jung C. K.33, Palomino J. L.33, Santucci G.33, Shi W.33, Vilela C.33, Yanagisawa C.33ORCID, Fukuda D.34, Hagiwara K.34, Harada M.34ORCID, Hino Y.34ORCID, Horai T.34, Ishino H.34, Ito S.34, Kitagawa H.34, Koshio Y.341ORCID, Ma W.34, Nakanishi F.34ORCID, Piplani N.34, Sakai S.34ORCID, Sakuda M.34, Tada T.34ORCID, Tano T.34, Xu C.34, Yamaguchi R.34, Ishizuka T.35, Kuno Y.36, Barr G.37, Barrow D.37ORCID, Cook L.371, Samani S.371, Simpson C.371, Wark D.3738, Holin A. M.39, Nova F.39ORCID, Jung S.40ORCID, Yang B.40ORCID, Yang J. Y.40ORCID, Yoo J.40, Fannon J. E. P.41, Kneale L.41ORCID, Malek M.41, McElwee J. M.41, Stone O.41, Thiesse M. D.41ORCID, Thompson L. F.41ORCID, Wilson S. T.41, Okazawa H.42, Lakshmi S. M.43, Choi Y.44, Kim S. B.44, Kwon E.44ORCID, Seo J. W.44ORCID, Yu I.44ORCID, Ichikawa A. K.45ORCID, Nakamura K.45, Tairafune S.45ORCID, Nishijima K.46ORCID, Eguchi A.1ORCID, Iwamoto K.1, Nakagiri K.1, Nakajima Y.11ORCID, Ogawa N.1, Shima S.1, Watanabe E.1, Yokoyama M.11ORCID, Calland R. G.1, Fujita S.1, Jesús-Valls C.1ORCID, Xia J.1ORCID, Ming T. K.1, de Perio P.1ORCID, Martens K.1ORCID, Murdoch M.1, Vagins M. R.12ORCID, Izumiyama S.47ORCID, Kuze M.47ORCID, Matsumoto R.47ORCID, Okajima Y.47, Tanaka M.47, Yoshida T.47, Inomoto M.48, Ishitsuka M.48, Ito H.48ORCID, Kinoshita T.48, Matsumoto R.48, Ohta K.48, Ommura Y.48, Shinoki M.48ORCID, Shigeta N.48, Suganuma T.48, Yamauchi K.48ORCID, Yoshida T.48, Martin J. F.49, Nantais C. M.49, Tanaka H. A.49, Towstego T.49, Gaur R.6, Gousy-Leblanc V.6, Hartz M.6, Konaka A.6, Li X.6, Chen S.50ORCID, Xu B. D.50ORCID, Zhang B.50, Berkman S.51, Posiadala-Zezula M.52, Boyd S. B.53, Edwards R.53, Hadley D.53, Nicholson M.53, O’Flaherty M.53, Richards B.53, Ali A.546, Jamieson B.54, Walker J.54, Amanai S.55, Marti Ll.55ORCID, Minamino A.55ORCID, Okamoto K.55, Pintaudi G.55, Sano S.55, Sasaki R.55, Suzuki S.55, Wada K.55,
Affiliation:
1. University of Tokyo 2. University of California 3. CNRS - University of Tokyo International Research Laboratory 4. University Autonoma Madrid 5. British Columbia Institute of Technology 6. TRIUMF 7. Boston University 8. High Energy Accelerator Research Organization (KEK) 9. California State University 10. Chonnam National University 11. Duke University 12. Laboratoire Leprince-Ringuet 13. Gifu University 14. Gwangju Institute of Science and Technology 15. University of Glasgow 16. University of Hawaii 17. Institute for Basic Science (IBS) 18. Institute For Interdisciplinary Research in Science and Education 19. Imperial College London 20. INFN Sezione di Bari and Università e Politecnico di Bari 21. INFN Sezione di Napoli and Università di Napoli 22. INFN Sezione di Padova and Università di Padova 23. INFN Sezione di Roma and Università di Roma “La Sapienza” 24. Keio University 25. King’s College London 26. Kobe University 27. Kyoto University 28. University of Liverpool 29. University of Minnesota 30. Miyagi University of Education 31. Nagoya University 32. National Centre For Nuclear Research 33. State University of New York at Stony Brook 34. Okayama University 35. Osaka Electro-Communication University 36. Osaka University 37. Oxford University 38. STFC 39. Rutherford Appleton Laboratory 40. Seoul National University 41. University of Sheffield 42. Shizuoka University of Welfare 43. University of Silesia in Katowice 44. Sungkyunkwan University 45. Tohoku University 46. Tokai University 47. Tokyo Institute of Technology 48. Tokyo University of Science 49. University of Toronto 50. Tsinghua University 51. University of British Columbia 52. University of Warsaw 53. University of Warwick 54. University of Winnipeg 55. Yokohama National University
Abstract
An analysis of solar neutrino data from the fourth phase of Super-Kamiokande (SK-IV) from October 2008 to May 2018 is performed and the results are presented. The observation time of the dataset of SK-IV corresponds to 2970 days and the total live time for all four phases is 5805 days. For more precise solar neutrino measurements, several improvements are applied in this analysis: lowering the data acquisition threshold in May 2015, further reduction of the spallation background using neutron clustering events, precise energy reconstruction considering the time variation of the PMT gain. The observed number of solar neutrino events in 3.49–19.49 MeV electron kinetic energy region during SK-IV is 65,443−388+390(stat.)±925(syst.) events. Corresponding B8 solar neutrino flux is (2.314±0.014(stat.)±0.040(syst.))×106 cm−2 s−1, assuming a pure electron-neutrino flavor component without neutrino oscillations. The flux combined with all SK phases up to SK-IV is (2.336±0.011(stat.)±0.043(syst.))×106 cm−2 s−1. Based on the neutrino oscillation analysis from all solar experiments, including the SK 5805 days dataset, the best-fit neutrino oscillation parameters are sin2θ12,solar=0.306±0.013 and Δm21,solar2=(6.10−0.81+0.95)×10−5 eV2, with a deviation of about 1.5σ from the Δm212 parameter obtained by KamLAND. The best-fit neutrino oscillation parameters obtained from all solar experiments and KamLAND are sin2θ12,global=0.307±0.012 and Δm21,global2=(7.50−0.18+0.19)×10−5 eV2.
Published by the American Physical Society
2024
Funder
Ministry of Education, Culture, Sports, Science and Technology U.S. Department of Energy National Science Foundation National Natural Science Foundation of China Ministerio de Ciencia, Innovación y Universidades National Research Foundation of Korea Ministry of Science, ICT and Future Planning Institute for Basic Science Ministry of Education, India Japan Society for the Promotion of Science Natural Sciences and Engineering Research Council of Canada Narodowe Centrum Nauki Science and Technology Facilities Council European Commission HORIZON EUROPE Marie Sklodowska-Curie Actions Scinet and Westgrid consortia of Compute Canada Ministry of Education and Science, Poland Grid for Particle Physics European Union’s Next Generation EU
Publisher
American Physical Society (APS)
Cited by
3 articles.
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