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Measurement of solar pp neutrino flux using electron recoil data from PandaX-4T commissioning run*

Xiaoying 晓盈 Lu 芦, Abdusalam 阿布都克力木 Abdukerim 阿布都沙拉木·, Zihao 子豪 Bo 薄, Wei 葳 Chen 陈, Xun 勋 Chen 谌, Yunhua 云华 Chen 陈, Chen 晨 Cheng 程, Zhaokan 兆侃 Cheng 成, Xiangyi 祥仪 Cui 崔, Yingjie 英杰 Fan 樊, Deqing 德清 Fang 方, Lisheng 立升 Geng 耿, Karl Giboni, Xuyuan 绪元 Guo 郭, Chencheng 晨成 Han 韩, Ke 柯 Han 韩, Changda 昶达 He 何, Jinrong 金荣 He 何, Di 迪 Huang 黄, Junting 俊挺 Huang 黄, Zhou 周 Huang 黄, Ruquan 汝全 Hou 侯, Yu 钰 Hou 侯, Xiangdong 向东 Ji 季, Yonglin 永林 Ju 巨, Chenxiang 晨翔 Li 李, Jiafu 家富 Li 李, Mingchuan 名川 Li 李, Shuaijie 帅杰 Li 李, Tao 涛 Li 李, Qing 箐 Lin 林, Jianglai 江来 Liu 刘, Congcong 聪聪 Lu 陆, Lingyin 棱尹 Luo 罗, Yunyang 云阳 Luo 罗, Wenbo 文博 Ma 马, Yugang 余刚 Ma 马, Yajun 亚军 Mao 冒, Yue 月 Meng 孟, Xuyang 旭阳 Ning 宁, Binyu 彬宇 Pang 庞, Ningchun 宁春 Qi 祁, Zhicheng 志成 Qian 钱, Xiangxiang 祥祥 Ren 任, Nasir Shaheed, Xiaofeng 晓凤 Shang 尚, Xiyuan 熙元 Shao 邵, Guofang 国防 Shen 申, Manbin 满斌 Shen 申, Lin 琳 Si 司, Wenliang 文良 Sun 孙, Yi 奕 Tao 陶, Anqing 安庆 Wang 王, Meng 萌 Wang 王, Qiuhong 秋红 Wang 王, Shaobo 少博 Wang 王, Siguang 思广 Wang 王, Wei 为 Wang 王, Xiuli 秀丽 Wang 王, Xu 旭 Wang 王, Zhou 舟 Wang 王, Yuehuan 月环 Wei 魏, Mengmeng 蒙蒙 Wu 武, Weihao 维浩 Wu 邬, Yuan 渊 Wu 吴, Mengjiao 梦姣 Xiao 肖, Xiang 翔 Xiao 肖, Kaizhi 开智 Xiong 熊, Binbin 斌斌 Yan 燕, Xiyu 玺雨 Yan 颜, Yong 勇 Yang 杨, Chunxu 纯旭 Yu 喻, Ying 影 Yuan 袁, Zhe 哲 Yuan 苑, Youhui 有辉 Yun 运, Xinning 鑫宁 Zeng 曾, Minzhen 敏桢 Zhang 张, Peng 鹏 Zhang 张, Shibo 世博 Zhang 张, Shu 澍 Zhang 张, Tao 涛 Zhang 张, Wei 威 Zhang 张, Yang 洋 Zhang 张, Yingxin 瀛心 Zhang 张, Yuanyuan 园园 Zhang 张, Li 力 Zhao 赵, Jifang 济芳 Zhou 周, Ning 宁 Zhou 周, Xiaopeng 小朋 Zhou 周, Yubo 钰博 Zhou 周, Zhizhen 知震 Zhou 周

2024Chinese Physics C10 citationsDOIOpen Access PDF

Abstract

Abstract The proton-proton ( ) fusion chain dominates the neutrino production in the Sun. The uncertainty of the predicted neutrino flux is at the sub-percent level, whereas that of the best measurement is (10%). In this study, for the first time, we measure solar neutrinos in the electron recoil energy range from 24 to 144 keV using the PandaX-4T commissioning data with 0.63 tonne year exposure. The neutrino flux is determined as , which is consistent with the Standard Solar Model and existing measurements, corresponding to an upper flux limit of at 90% C.L..

Topics & Concepts

PhysicsFlux (metallurgy)RecoilNeutrinoSolar neutrinoNuclear physicsRange (aeronautics)ProtonElectronParticle physicsSolar neutrino problemNeutrino oscillationMaterials scienceComposite materialMetallurgyDark Matter and Cosmic PhenomenaNeutrino Physics ResearchParticle physics theoretical and experimental studies
Measurement of solar pp neutrino flux using electron recoil data from PandaX-4T commissioning run* | Litcius