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. 2024 Jun 14;132(24):241803.
doi: 10.1103/PhysRevLett.132.241803.

Search for Periodic Time Variations of the Solar ^{8}B Neutrino Flux between 1996 and 2018 in Super-Kamiokande

K Abe  1   2 C Bronner  1 Y Hayato  1   2 K Hiraide  1   2 K Hosokawa  1 K Ieki  1   2 M Ikeda  1   2 J Kameda  1   2 Y Kanemura  1 R Kaneshima  1 Y Kashiwagi  1 Y Kataoka  1   2 S Miki  1 S Mine  1   3 M Miura  1   2 S Moriyama  1   2 Y Nakano  1 M Nakahata  1   2 S Nakayama  1   2 Y Noguchi  1 K Sato  1 H Sekiya  1   2 H Shiba  1 K Shimizu  1 M Shiozawa  1   2 Y Sonoda  1 Y Suzuki  1 A Takeda  1   2 Y Takemoto  1   2 H Tanaka  1   2 T Yano  1 S Han  4 T Kajita  4   5   2 K Okumura  4   2 T Tashiro  4 T Tomiya  4 X Wang  4 S Yoshida  4 P Fernandez  6 L Labarga  6 N Ospina  6 B Zaldivar  6 B W Pointon  7   8 E Kearns  9   2 J L Raaf  9 L Wan  9 T Wester  9 J Bian  3 N J Griskevich  3 S Locke  3 M B Smy  3   2 H W Sobel  3   2 V Takhistov  3   10 A Yankelevich  3 J Hill  11 S H Lee  12 D H Moon  12 R G Park  12 M C Jang  12 B Bodur  13 K Scholberg  13   2 C W Walter  13   2 A Beauchêne  14 O Drapier  14 A Giampaolo  14 Th A Mueller  14 A D Santos  14 P Paganini  14 B Quilain  14 T Nakamura  15 J S Jang  16 L N Machado  17 J G Learned  18 K Choi  19 N Iovine  19 S Cao  20 L H V Anthony  21 D Martin  21 N W Prouse  21 M Scott  21 A A Sztuc  21 Y Uchida  21 V Berardi  22 M G Catanesi  22 E Radicioni  22 N F Calabria  23 A Langella  23 G De Rosa  23 G Collazuol  24 F Iacob  24 M Mattiazzi  24 L Ludovici  25 M Gonin  5 G Pronost  5 C Fujisawa  26 Y Maekawa  26 Y Nishimura  26 R Okazaki  26 R Akutsu  10 M Friend  10 T Hasegawa  10 T Ishida  10 T Kobayashi  10 M Jakkapu  10 T Matsubara  10 T Nakadaira  10 K Nakamura  10   2 Y Oyama  10 K Sakashita  10 T Sekiguchi  10 T Tsukamoto  10 N Bhuiyan  27 G T Burton  27 F Di Lodovico  27 J Gao  27 A Goldsack  27 T Katori  27 J Migenda  27 Z Xie  27 R M Ramsden  27 S Zsoldos  27   2 A T Suzuki  28 Y Takagi  28 H Zhong  28 Y Takeuchi  28   2 J Feng  29 L Feng  29 J R Hu  29 Z Hu  29 T Kikawa  29 M Mori  29 M Kawaue  29 T Nakaya  29   2 R A Wendell  29   2 K Yasutome  29 S J Jenkins  30 N McCauley  30 P Mehta  30 A Tarant  30 Y Fukuda  31 Y Itow  32   33 H Menjo  32 K Ninomiya  32 Y Yoshioka  32 J Lagoda  34 S M Lakshmi  34 M Mandal  34 P Mijakowski  34 Y S Prabhu  34 J Zalipska  34 M Jia  35 J Jiang  35 C K Jung  35 M J Wilking  35 C Yanagisawa  35 W Shi  35 M Harada  36 Y Hino  36 H Ishino  36 Y Koshio  36   2 F Nakanishi  36 S Sakai  36 T Tada  36 T Tano  36 T Ishizuka  37 G Barr  38 D Barrow  38 L Cook  38   2 S Samani  38 D Wark  38   39 A Holin  40 F Nova  40 B S Yang  41 J Y Yang  41 J Yoo  41 S Jung  41 J E P Fannon  42 L Kneale  42 M Malek  42 J M McElwee  42 M D Thiesse  42 L F Thompson  42 S T Wilson  42 H Okazawa  43 S B Kim  44 E Kwon  44 J W Seo  44 I Yu  44 A K Ichikawa  45 K D Nakamura  45 S Tairafune  45 K Nishijima  46 A Eguchi  47 K Nakagiri  47 Y Nakajima  47   2 S Shima  47 N Taniuchi  47 E Watanabe  47 M Yokoyama  47   2 P de Perio  2 S Fujita  2 K Martens  2 K M Tsui  2 M R Vagins  3   2 J Xia  2 S Izumiyama  48 M Kuze  48 R Matsumoto  48 M Ishitsuka  49 H Ito  49 Y Ommura  49 N Shigeta  49 M Shinoki  49 K Yamauchi  49 T Yoshida  49 R Gaur  8 V Gousy-Leblanc  8 M Hartz  8 A Konaka  8 X Li  8 S Chen  50 B D Xu  50 B Zhang  50 M Posiadala-Zezula  51 S B Boyd  52 R Edwards  52 D Hadley  52 M Nicholson  52 M O'Flaherty  52 B Richards  52 A Ali  8   53 B Jamieson  53 S Amanai  54 Ll Marti  54 A Minamino  54 S Suzuki  54 Super-Kamiokande Collaboration
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Free article

Search for Periodic Time Variations of the Solar ^{8}B Neutrino Flux between 1996 and 2018 in Super-Kamiokande

K Abe et al. Phys Rev Lett. .
Free article

Abstract

We report a search for time variations of the solar ^{8}B neutrino flux using 5804 live days of Super-Kamiokande data collected between May 31, 1996, and May 30, 2018. Super-Kamiokande measured the precise time of each solar neutrino interaction over 22 calendar years to search for solar neutrino flux modulations with unprecedented precision. Periodic modulations are searched for in a dataset comprising five-day interval solar neutrino flux measurements with a maximum likelihood method. We also applied the Lomb-Scargle method to this dataset to compare it with previous reports. The only significant modulation found is due to the elliptic orbit of the Earth around the Sun. The observed modulation is consistent with astronomical data: we measured an eccentricity of (1.53±0.35)%, and a perihelion shift of (-1.5±13.5) days.

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