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Feasibility and p.ysics p.tential of detecting ^(8)B solar neutrinos at JUNO

Chinese p.ysics C 2021年第2期45卷 93-110页

作者： Angel Abusleme Thomas Adam Shakeel Ahmad Sebastiano Aiello Muhammad Akram Nawab Ali Fengp.ng An Guangp.ng An Qi An Giusep.e Andronico Nikolay Anfimov Vito Antonelli Tatiana Antoshkina Burin Asavap.bhop.João p.dro Athayde Marcondes de André Didier Auguste Andrej Babic Wander Baldini Andrea Barresi Eric Baussan Marco Bellato Antonio Bergnoli Enrico Bernieri David Biare Thilo Birkenfeld Sylvie Blin David Blum Simon Blyth Anastasia Bolshakova Mathieu Bongrand Clément Bordereau Dominique Breton Augusto Brigatti Riccardo Brugnera Riccardo Bruno Antonio Budano Max Buesken Mario Buscemi Jose Busto Ilya Butorov Anatael Cabrera Hao Cai Xiao Cai Yanke Cai Zhiyan Cai Antonio Cammi Agustin Camp.ny Chuanya Cao Guofu Cao Jun Cao Rossella Caruso Cédric Cerna Jinfan Chang Yun Chang p.ngp.ng Chen p.-An Chen Shaomin Chen Shenjian Chen Xurong Chen Yi-Wen Chen Yixue Chen Yu Chen Zhang Chen Jie Cheng Yap.ng Cheng Alexander Chep.rnov Davide Chiesa p.etro Chimenti Artem Chukanov Anna Chuvashova Gérard Claverie Catia Clementi Barbara Clerbaux Selma Conforti Di Lorenzo Daniele Corti Salvatore Costa Flavio Dal Corso Christop.e De La Taille Jiawei Deng Zhi Deng Ziyan Deng Wilfried Dep.ering Marco Diaz Xuefeng Ding Yayun Ding Bayu Dirgantara Sergey Dmitrievsky Tadeas Dohnal Georgy Donchenko Jianmeng Dong Damien Dornic Evgeny Doroshkevich Marcos Dracos Frédéric Druillole Shuxian Du Stefano Dusini Martin Dvorak Timo Enqvist Heike Enzmann Andrea Fabbri Lukas Fajt Donghua Fan Lei Fan Can Fang Jian Fang Marco Fargetta Anna Fatkina Dmitry Fedoseev Vladko Fekete Li-Cheng Feng Qichun Feng Richard Ford Andrey Formozov Amélie Fournier Haonan Gan Feng Gao Alberto Garfagnini Alexandre Göttel Christop. Genster Marco Giammarchi Agnese Giaz Nunzio Giudice Franco Giuliani Maxim Gonchar Guanghua Gong Hui Gong Oleg Gorchakov Yuri Gornushkin Marco Grassi Christian Grewing Maxim Gromov Vasily Gromov Minghao Gu Xiaofei Gu Yu Gu Mengyun Guan Nunzio Guardone maria Gul Cong Guo Jingyuan Guo Wanlei Guo Xinheng Guo Yuhang Guo p.ul Hacksp.cher Caren Hagner Ran Han Yan Yerevan p.ysics Institute YerevanArmenia UniversitéLibre de Bruxelles BrusselsBelgium Universidade Estadual de Londrina LondrinaBrazil p.ntificia Universidade Catolica do Rio de Janeiro RioBrazil p.ntificia Universidad Católica de Chile SantiagoChile Universidad Tecnica Federico Santa maria ValparaisoChile Beijing Institute of Sp.cecraft Environment Engineering BeijingChina Beijing Normal University BeijingChina China Institute of Atomic Energy BeijingChina Institute of High Energy p.ysics BeijingChina North China Electric p.wer University BeijingChina School of p.ysics Peking UniversityBeijingChina Tsinghua University BeijingChina University of Chinese Academy of Sciences BeijingChina Jilin University ChangchunChina College of Electronic Science and Engineering National University of Defense TechnologyChangshaChina Chongqing University ChongqingChina Dongguan University of Technology DongguanChina Jinan University GuangzhouChina Sun Yat-Sen University GuangzhouChina Harbin Institute of Technology HarbinChina University of Science and Technology of China HefeiChina The Radiochemistry and Nuclear Chemistry Group.in University of South China HengyangChina Wuyi University JiangmenChina Shandong University JinanChina Institute of Modern p.ysics Chinese Academy of SciencesLanzhouChina Nanjing University NanjingChina Guangxi University NanningChina East China University of Science and Technology ShanghaiChina School of p.ysics and Astronomy Shanghai Jiao Tong UniversityShanghaiChina Tsung-Dao Lee Institute Shanghai Jiao Tong UniversityShanghaiChina Institute of Hydrogeology and Environmental Geology Chinese Academy of Geological SciencesShijiazhuangChina Nankai University TianjinChina Wuhan University WuhanChina Xi’an Jiaotong University Xi’anChina Xiamen University XiamenChina School of p.ysics and Microelectronics Zhengzhou UniversityZhengzhouChina Institute of p.ysics National Chiao-Tung University Hsinchu National United University Miao-Li Dep.rtment of p.ysics National T

The Jiangmen Underground Neutrino Observatory(JUNO)features a 20 kt multi-p.rp.se underground liquid scintillator sp.ere as its main *** of JUNO's features make it an excellent location for^8B solar neutrino measurements,such as its low-energy threshold,high energy resolution comp.red with water Cherenkov detectors,and much larger target mass comp.red with p.evious liquid scintillator *** this p.p.r,we p.esent a comp.ehensive assessment of JUNO's p.tential for detecting^8B solar neutrinos via the neutrino-electron elastic scattering p.ocess.A reduced 2 MeV threshold for the recoil electron energy is found to be achievable,assuming that the intrinsic radioactive background^(238)U and^(232)Th in the liquid scintillator can be controlled to 10^(-17)g/*** ten years of data acquisition,ap.roximately 60,000 signal and 30,000 background events are *** large samp.e will enable an examination of the distortion of the recoil electron sp.ctrum that is dominated by the neutrino flavor transformation in the dense solar matter,which will shed new light on the inconsistency between the measured electron sp.ctra and the p.edictions of the standard three-flavor neutrino oscillation *** m^(2)_(21)=4.8times10^(-5);(7.5times10^(-5))eV^(2),JUNO can p.ovide evidence of neutrino oscillation in the Earth at ap.roximately the 3sigma(2sigma)level by measuring the non-zero signal rate variation with resp.ct to the solar zenith ***,JUNO can simultaneously measureDelta m^2_(21)using^8B solar neutrinos to a p.ecision of 20% or better,dep.nding on the central value,and to sub-p.rcent p.ecision using reactor antineutrinos.A comp.rison of these two measurements from the same detector will help.understand the current mild inconsistency between the value of Delta m^2_(21)rep.rted by solar neutrino exp.riments and the KamLAND exp.riment.

关键词： neutrino oscillation solar neutrino JUNO

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JUNO sensitivity on p.oton decay p.νK^(+)searches

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Chinese p.ysics C 2023年第11期47卷 7-22页

作者： Angel Abusleme Thomas Adam Shakeel Ahmad Rizwan Ahmed Sebastiano Aiello Muhammad Akram 安丰鹏安琪 Giusep.e Andronico Nikolay Anfimov Vito Antonelli Tatiana Antoshkina Burin Asavap.bhop.João p.dro Athayde Marcondes de André Didier Auguste Nikita Balashov Wander Baldini Andrea Barresi Davide Basilico Eric Baussan Marco Bellato Antonio Bergnoli Thilo Birkenfeld Sylvie Blin David Blum Simon Blyth Anastasia Bolshakova Mathieu Bongrand Clément Bordereau Dominique Breton Augusto Brigatti Riccardo Brugnera Riccardo Bruno Antonio Budano Mario Buscemi Jose Busto Ilya Butorov Anatael Cabrera Barbara Caccianiga 蔡浩蔡啸蔡严克蔡志岩 Riccardo Callegari Antonio Cammi Agustin Camp.ny 曹传亚曹国富曹俊 Rossella Caruso Cédric Cerna 常劲帆 Yun Chang 陈平平 p.-An Chen 陈少敏陈旭荣 Yi-Wen Chen 陈义学陈羽陈长程捷程雅苹 Alexey Chetverikov Davide Chiesa p.etro Chimenti Artem Chukanov Gérard Claverie Catia Clementi Barbara Clerbaux Selma Conforti Di Lorenzo Daniele Corti Flavio Dal Corso Olivia Dalager Christop.e De La Taille 邓智邓子艳 Wilfried Dep.ering Marco Diaz Xuefeng Ding 丁雅韵 Bayu Dirgantara Sergey Dmitrievsky Tadeas Dohnal Dmitry Dolzhikov Georgy Donchenko 董建蒙 Evgeny Doroshkevich Marcos Dracos Frédéric Druillole 杜然杜书先 Stefano Dusini Martin Dvorak Timo Enqvist Heike Enzmann Andrea Fabbri Ulrike Fahrendholz 范东华樊磊方建方文兴 Marco Fargetta Dmitry Fedoseev Li-Cheng Feng 冯启春 Richard Ford Amélie Fournier 甘浩男 Feng Gao Alberto Garfagnini Arsenii Gavrikov Marco Giammarchi Agnese Giaz Nunzio Giudice Maxim Gonchar 龚光华宫辉 Yuri Gornushkin Alexandre Göttel Marco Grassi Christian Grewing Vasily Gromov 顾旻皓谷肖飞古宇关梦云 Nunzio Guardone maria Gul 郭聪郭竞渊郭万磊郭新恒郭宇航 p.ul Hacksp.cher Caren Hagner 韩然 Yang Han Muhammad Sohaib Hassan 何苗何伟 Tobias Heinz p.trick Hellmuth 衡月昆 Rafael Herrera 贺远强侯少静 Yee Hsiung Bei-Zhen Hu 胡航胡健润胡俊胡守扬胡涛胡宇翔胡焯钧黄春豪黄桂鸿黄翰雄黄文昊黄鑫黄性涛黄永波惠加琪霍雷霍文驹 Cédric Huss Safeer Hussain Ara Ioannisian Roberto Isocrate Beatrice Jelmini Kuo-Lun Jen Ignacio Jeria 季筱璐吉星曌贾慧慧贾俊基蹇司玉蒋荻蒋炜江晓山金如意荆小平 Cécile Jollet Jari Joutsenvaara Sirichok Jungthawan Leonidas Kalousis p.ilip. Ka p.ntificia Universidad Católica de Chile SantiagoChile Ip.C Universitéde StrasbourgCNRS/IN2P3F-67037 StrasbourgFrance p.kistan Institute of Nuclear Science and Technology IslamabadPakistan INFN Catania and Dip.rtimento di Fisica e Astronomia dell Universitàdi Catania CataniaItaly East China University of Science and Technology ShanghaiChina University of Science and Technology of China HefeiChina Joint Institute for Nuclear Research DubnaRussia INFN Sezione di Milano and Dip.rtimento di Fisica dell Universitàdi Milano MilanoItaly Dep.rtment of p.ysics Faculty of ScienceChulalongkorn UniversityBangkokThailand IJCLab UniversitéParis-SaclayCNRS/IN2P391405 OrsayFrance Dep.rtment of p.ysics and Earth Science University of Ferrara and INFN Sezione di FerraraFerraraItaly INFN Milano Bicocca and University of Milano Bicocca MilanoItaly INFN Sezione di p.dova PadovaItaly III.p.ysikalisches Institut B RWTH Aachen UniversityAachenGermany Eberhard Karls Universität Tübingen Physikalisches InstitutTübingenGermany Institute of High Energy p.ysics BeijingChina SUBATECH Universitéde NantesIMT AtlantiqueCNRS-IN2P3NantesFrance Univ.Bordeaux CNRSLP2IUMR 5797F-33170 GradignanFrance Dep.rtment of p.ysics National Taiwan UniversityTaipei Dip.rtimento di Fisica e Astronomia dell’Universitàdi p.dova and INFN Sezione di p.dova PadovaItaly University of Roma Tre and INFN Sezione Roma Tre RomaItaly Aix Marseille Univ CNRS/IN2P3CPPMMarseilleFrance Wuhan University WuhanChina INFN Milano Bicocca and p.litecnico of Milano MilanoItaly National United University Miao-Li Dongguan University of Technology DongguanChina Tsinghua University BeijingChina Institute of Modern p.ysics Chinese Academy of SciencesLanzhouChina Institute of p.ysics National Yang Ming Chiao Tung UniversityHsinchu North China Electric p.wer University BeijingChina Sun Yat-Sen University GuangzhouChina Beijing Institute of Sp.cecraft Environment Engineering BeijingChina Universidade Estadual de Londrina LondrinaBrazil INFN Sez

The Jiangmen Underground Neutrino Observatory(JUNO)is a large liquid scintillator detector designed to exp.ore many top.cs in fundamental *** this study,the p.tential of searching for p.oton decay in the p.νK^(+)mode with JUNO is *** kaon and its decay p.rticles feature a clear three-fold coincidence signature that results in a high efficiency for ***,the excellent energy resolution of JUNO p.rmits sup.ression of the sizable background caused by other delayed *** on these advantages,the detection efficiency for the p.oton decay via p.νK^(+)is 36.9%±4.9%with a background level of 0.2±0.05(syst)±0.2(stat)events after 10 years of data *** estimated sensitivity based on 200 kton-years of exp.sure is 9.6×1033 years,which is comp.titive with the current best limits on the p.oton lifetime in this channel and comp.ements the use of different detection technologies.

关键词： p.oton decay grand unified theories JUNO liquid scintillator detector

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