Searching for neutrinos from solar flares across solar cycles 23 and 24 with the Super-Kamiokande detector

K. Okamoto, K. Abe,Y. Hayato,K. Hiraide, K. Hosokawa,K. Ieki, M. Ikeda,J. Kameda, Y. Kanemura, Y. Kaneshima, Y. Kataoka, Y. Kashiwagi,S. Miki,S. Mine, M. Miura,S. Moriyama, Y. Nagao,M. Nakahata,Y. Nakano,S. Nakayama, Y. Noguchi, K. Sato,H. Sekiya, K. Shimizu,M. Shiozawa,H. Shiba,Y. Sonoda, Y. Suzuki, A. Takeda, Y. Takemoto, A. Takenaka,H. Tanaka, S. Watanabe, T. Yano, S. Han, T. Kajita, K. Okumura,T. Tashiro,T. Tomiya, X. Wang, J. Xia, S. Yoshida,G. D. Megias, P. Fernandez, L. Labarga,N. Ospina,B. Zaldivar, B. W. Pointon,E. Kearns, J. L. Raaf,L. Wan, T. Wester,J. Bian,N. J. Griskevich, W. R. Kropp,S. Locke,M. B. Smy, H. W. Sobel, V. Takhistov, A. Yankelevich, J. Hill,J. Y. Kim,S. H. Lee, I. T. Lim, D. H. Moon, R. G. Park,B. Bodur, K. Scholberg,C. W. Walter, A. Beauchene, L. Bernard, A. Coffani, O. Drapier,S. El Hedri, A. Giampaolo,Th. A. Mueller,A. D. Santos, P. Paganini,B. Quilain, T. Ishizuka, T. Nakamura, J. S. Jang, J. G. Learned,K. Choi,S. Cao, L. H. V. Anthony, D. Martin,M. Scott,A. A. Sztuc, Y. Uchida,V. Berardi,M. G. Catanesi,E. Radicioni,N. F. Calabria,L. N. Machado,G. De Rosa,G. Collazuol,F. Iacob,M. Lamoureux,M. Mattiazzi,L. Ludovici, M. Gonin,G. Pronost, C. Fujisawa,Y. Maekawa,Y. Nishimura,M. Friend, T. Hasegawa, T. Ishida, T. Kobayashi,M. Jakkapu,T. Matsubara,T. Nakadaira, K. Nakamura, Y. Oyama,K. Sakashita,T. Sekiguchi,T. Tsukamoto, N. Bhuiyan, T. Boschi, G. T. Burton,F. Di Lodovico, J. Gao, A. Goldsack,T. Katori,J. Migenda,M. Taani, Z. Xie,S. Zsoldos, Y. Kotsar,H. Ozaki, A. T. Suzuki, Y. Takeuchi, S. Yamamoto,C. Bronner, J. Feng,T. Kikawa, M. Mori, T. Nakaya, R. A. Wendell,K. Yasutome,S. J. Jenkins,N. McCauley, P. Mehta, A. Tarrant,K. M. Tsui, Y. Fukuda, Y. Itow, H. Menjo, K. Ninomiya,J. Lagoda,S. M. Lakshmi,M. Mandal,P. Mijakowski,Y. S. Prabhu,J. Zalipska,M. Jia, J. Jiang,C. K. Jung,C. Vilela,M. J. Wilking,C. Yanagisawa,M. Harada,H. Ishino, S. Ito,H. Kitagawa,Y. Koshio,W. Ma, F. Nakanishi, N. Piplani, S. Sakai, G. Barr, D. Barrow,L. Cook, S. Samani,D. Wark,A. Holin,F. Nova, J. Y. Yang, J. E. P. Fannon,M. Malek,J. M. McElwee, O. Stone, M. D. Thiesse,L. F. Thompson, H. Okazawa, S. B. Kim, E. Kwon,J. W. Seo, I. Yu,A. K. Ichikawa, K. D. Nakamura,S. Tairafune, K. Nishijima, M. Koshiba,K. Iwamoto,K. Nakagiri, Y. Nakajima, S. Shima, N. Taniuchi,M. Yokoyama,K. Martens,P. de Perio, M. R. Vagins, M. Kuze, S. Izumiyama, M. Inomoto, M. Ishitsuka, H. Ito, T. Kinoshita,R. Matsumoto, Y. Ommura,N. Shigeta, M. Shinoki,T. Suganuma, K. Yamauchi, J. F. Martin,H. A. Tanaka,T. Towstego,R. Akutsu, R. Gaur, V. Gousy-Leblanc,M. Hartz,A. Konaka, X. Li,N. W. Prouse,S. Chen,B. D. Xu, B. Zhang,M. Posiadala-Zezula,S. B. Boyd,D. Hadley,M. Nicholson,M. O'Flaherty, B. Richards,A. Ali,B. Jamieson, J. Walker,Ll. Marti,A. Minamino,G. Pintaudi,S. Sano,R. Sasaki, S. Suzuki,K. Wada

arxiv(2022)

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摘要
Neutrinos associated with solar flares (solar-flare neutrinos) provide information on particle acceleration mechanisms during the impulsive phase of solar flares. We searched using the Super-Kamiokande detector for neutrinos from solar flares that occurred during solar cycles $23$ and $24$, including the largest solar flare (X28.0) on November 4th, 2003. In order to minimize the background rate we searched for neutrino interactions within narrow time windows coincident with $\gamma$-rays and soft X-rays recorded by satellites. In addition, we performed the first attempt to search for solar-flare neutrinos from solar flares on the invisible side of the Sun by using the emission time of coronal mass ejections (CMEs). By selecting twenty powerful solar flares above X5.0 on the visible side and eight CMEs whose emission speed exceeds $2000$ $\mathrm{km \, s^{-1}}$ on the invisible side from 1996 to 2018, we found two (six) neutrino events coincident with solar flares occurring on the visible (invisible) side of the Sun, with a typical background rate of $0.10$ ($0.62$) events per flare in the MeV-GeV energy range. No significant solar-flare neutrino signal above the estimated background rate was observed. As a result we set the following upper limit on neutrino fluence at the Earth $\mathit{\Phi}<1.1\times10^{6}$ $\mathrm{cm^{-2}}$ at the $90\%$ confidence level for the largest solar flare. The resulting fluence limits allow us to constrain some of the theoretical models for solar-flare neutrino emission.
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关键词
neutrinos,solar flares,solar cycles,super-kamiokande
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