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Measurement of the neutrino-oxygen neutral-current quasielastic cross section using atmospheric neutrinos in the SK-Gd experiment

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Title
Measurement of the neutrino-oxygen neutral-current quasielastic cross section using atmospheric neutrinos in the SK-Gd experiment
Author(s)
Sakai, S.; Abe, K.; Bronner, C.; Hayato, Y.; Hiraide, K.; Hosokawa, K.; Ieki, K.; Ikeda, M.; Kameda, J.; Kanemura, Y.; Kaneshima, R.; Kashiwagi, Y.; Kataoka, Y.; Miki, S.; Mine, S.; Miura, M.; Moriyama, S.; Nakano, Y.; Nakahata, M.; Nakayama, S.; Noguchi, Y.; Sato, K.; Sekiya, H.; Shiba, H.; Shimizu, K.; Shiozawa, M.; Sonoda, Y.; Suzuki, Y.; Takeda, A.; Takemoto, Y.; Tanaka, H.; Yano, T.; Han, S.; Kajita, T.; Okumura, K.; Tashiro, T.; Tomiya, T.; Wang, X.; Yoshida, S.; Fernandez, P.; Labarga, L.; Ospina, N.; Zaldivar, B.; Pointon, B.W.; Kearns, E.; Raaf, J.L.; Wan, L.; Wester, T.; Bian, J.; Griskevich, N.J.; Locke, S.; Smy, M.B.; Sobel, H.W.; Takhistov, V.; Yankelevich, A.; Hill, J.; Jang, M.C.; Lee, S.H.; Moon, D.H.; Park, R.G.; Bodur, B.; Scholberg, K.; Walter, C.W.; Beauchene, A.; Drapier, O.; Giampaolo, A.; Mueller, Th. A.; Santos, A.D.; Paganini, P.; Quilain, B.; Nakamura, T.; Jang, J.S.; Machado, L.N.; Learned, J.G.; K. Choi; N. Iovine; Cao, S.; Anthony, L.H.V.; Martin, D.; Prouse, N.W.; Scott, M.; Sztuc, A.A.; Uchida, Y.; Berardi, V.; Calabria, N.F.; Catanesi, M.G.; Radicioni, E.; Langella, A.; De, Rosa G.; Collazuol, G.; Iacob, F.; Mattiazzi, M.; Ludovici, L.; Gonin, M.; Pronost, G.; Fujisawa, C.; Maekawa, Y.; Nishimura, Y.; Okazaki, R.; Akutsu, R.; Friend, M.; Hasegawa, T.; Ishida, T.; Kobayashi, T.; Jakkapu, M.; Matsubara, T.; Nakadaira, T.; Nakamura, K.; Oyama, Y.; Sakashita, K.; Sekiguchi, T.; Tsukamoto, T.; Bhuiyan, N.; Burton, G.T.; Di, Lodovico F.; Gao, J.; Goldsack, A.; Katori, T.; Migenda, J.; Ramsden, R.M.; Xie, Z.; Zsoldos, S.; Suzuki, A.T.; Takagi, Y.; Zhong, H.; Takeuchi, Y.; Feng, J.; Feng, L.; Hu, J.R.; Hu, Z.; Kawaue, M.; Kikawa, T.; Mori, M.; Nakaya, T.; Wendell, R.A.; Yasutome, K.; Jenkins, S.J.; Mccauley, N.; Mehta, P.; Tarant, A.; Fukuda, Y.; Itow, Y.; Menjo, H.; Ninomiya, K.; Yoshioka, Y.; Lagoda, J.; Lakshmi, S.M.; Mandal, M.; Mijakowski, P.; Prabhu, Y.S.; Zalipska, J.; Jia, M.; Jiang, J.; Jung, C.K.; Shi, W.; Wilking, M.J.; Yanagisawa, C.; Harada, M.; Hino, Y.; Ishino, H.; Koshio, Y.; Nakanishi, F.; Tada, T.; Tano, T.; Ishizuka, T.; Barr, G.; Barrow, D.; Cook, L.; Samani, S.; Wark, D.; Holin, A.; Nova, F.; Jung, S.; Yang, B.S.; Yang, J.Y.; Yoo, J.; Fannon, J.E.P.; Kneale, L.; Malek, M.; Mcelwee, J.M.; Thiesse, M.D.; Thompson, L.F.; Wilson, S.T.; Okazawa, H.; Kim, S.B.; Kwon, E.; Seo, J.W.; Yu, I.; Ichikawa, A.K.; Nakamura, K.D.; Tairafune, S.; Nishijima, K.; Eguchi, A.; Nakagiri, K.; Nakajima, Y.; Shima, S.; Taniuchi, N.; Watanabe, E.; Yokoyama, M.; De, Perio P.; Fujita, S.; Martens, K.; Tsui, K.M.; Vagins, M.R.; Xia, J.; Izumiyama, S.; Kuze, M.; Matsumoto, R.; Ishitsuka, M.; Ito, H.; Ommura, Y.; Shigeta, N.; Shinoki, M.; Yamauchi, K.; Yoshida, T.; Gaur, R.; Gousy-Leblanc, V.; Hartz, M.; Konaka, A.; Li, X.; Chen, S.; Xu, B.D.; Zhang, B.; Posiadala-Zezula, M.; Boyd, S.B.; Edwards, R.; Hadley, D.; Nicholson, M.; O'flaherty, M.; Richards, B.; Ali, A.; Jamieson, B.; Amanai, S.; Marti, Ll.; Minamino, A.; Suzuki, S.
Publication Date
2024-01
Journal
Physical Review d, v.109, no.1
Publisher
AMER PHYSICAL SOC
Abstract
We report the first measurement of the atmospheric neutrino-oxygen neutral-current quasielastic (NCQE) cross section in the gadolinium-loaded Super-Kamiokande (SK) water Cherenkov detector. In June 2020, SK began a new experimental phase, named SK-Gd, by loading 0.011% by mass of gadolinium into the ultrapure water of the SK detector. The introduction of gadolinium to ultrapure water has the effect of improving the neutron-tagging efficiency. Using a 552.2 day dataset from August 2020 to June 2022, we measure the NCQE cross section to be 0.74±0.22(stat)-0.15+0.85(syst)×10-38 cm2/oxygen in the energy range from 160 MeV to 10 GeV, which is consistent with the atmospheric neutrino-flux-averaged theoretical NCQE cross section and the measurement in the SK pure-water phase within the uncertainties. Furthermore, we compare the models of the nucleon-nucleus interactions in water and find that the binary cascade model and the Liège intranuclear cascade model provide a somewhat better fit to the observed data than the Bertini cascade model. Since the atmospheric neutrino-oxygen NCQE reactions are one of the main backgrounds in the search for diffuse supernova neutrino background (DSNB), these new results will contribute to future studies - and the potential discovery - of the DSNB in SK.
URI
https://pr.ibs.re.kr/handle/8788114/15034
DOI
10.1103/PhysRevD.109.L011101
ISSN
2470-0010
Appears in Collections:
Center for Underground Physics(지하실험 연구단) > 1. Journal Papers (저널논문)
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