We present the detection potential for the diffuse supernova neutrino background (DSNB) at the Jiangmen Underground Neutrino Observatory (JUNO), using the inverse-beta-decay (IBD) detection channel on free protons. We employ the latest information on the DSNB flux predictions, and investigate in detail the background and its reduction for the DSNB search at JUNO. The atmospheric neutrino induced neutral current (NC) background turns out to be the most critical background, whose uncertainty is carefully evaluated from both the spread of model predictions and an envisaged in situ measurement. We also make a careful study on the background suppression with the pulse shape discrimination (PSD) and triple coincidence (TC) cuts. With latest DSNB signal predictions, more realistic background evaluation and PSD efficiency optimization, and additional TC cut, JUNO can reach the significance of 3σ for 3 years of data taking, and achieve better than 5σ after 10 years for a reference DSNB model. In the pessimistic scenario of non-observation, JUNO would strongly improve the limits and exclude a significant region of the model parameter space.

Prospects for detecting the diffuse supernova neutrino background with JUNO

Wander Baldini
Membro del Collaboration Group
;
Fabio Mantovani
Membro del Collaboration Group
;
Michele Montuschi
Membro del Collaboration Group
;
Barbara Ricci
Membro del Collaboration Group
;
Andrea Serafini
Membro del Collaboration Group
;
Virginia Strati
Membro del Collaboration Group
;
2022

Abstract

We present the detection potential for the diffuse supernova neutrino background (DSNB) at the Jiangmen Underground Neutrino Observatory (JUNO), using the inverse-beta-decay (IBD) detection channel on free protons. We employ the latest information on the DSNB flux predictions, and investigate in detail the background and its reduction for the DSNB search at JUNO. The atmospheric neutrino induced neutral current (NC) background turns out to be the most critical background, whose uncertainty is carefully evaluated from both the spread of model predictions and an envisaged in situ measurement. We also make a careful study on the background suppression with the pulse shape discrimination (PSD) and triple coincidence (TC) cuts. With latest DSNB signal predictions, more realistic background evaluation and PSD efficiency optimization, and additional TC cut, JUNO can reach the significance of 3σ for 3 years of data taking, and achieve better than 5σ after 10 years for a reference DSNB model. In the pessimistic scenario of non-observation, JUNO would strongly improve the limits and exclude a significant region of the model parameter space.
Abusleme, Angel; Adam, Thomas; Ahmad, Shakeel; Ahmed, Rizwan; Aiello, Sebastiano; Akram, Muhammad; An, Fengpeng; An, Qi; Andronico, Giuseppe; Anfimov, Nikolay; Antonelli, Vito; Antoshkina, Tatiana; Asavapibhop, Burin; Pedro Athayde Marcondes de André, João; Auguste, Didier; Balashov, Nikita; Baldini, Wander; Barresi, Andrea; Basilico, Davide; Baussan, Eric; Bellato, Marco; Bergnoli, Antonio; Birkenfeld, Thilo; Blin, Sylvie; Blum, David; Blyth, Simon; Bolshakova, Anastasia; Bongrand, Mathieu; Bordereau, Clément; Breton, Dominique; Brigatti, Augusto; Brugnera, Riccardo; Bruno, Riccardo; Budano, Antonio; Buscemi, Mario; Busto, Jose; Butorov, Ilya; Cabrera, Anatael; Caccianiga, Barbara; Cai, Hao; Cai, Xiao; Cai, Yanke; Cai, Zhiyan; Callegari, Riccardo; Cammi, Antonio; Campeny, Agustin; Cao, Chuanya; Cao, Guofu; Cao, Jun; Caruso, Rossella; Cerna, Cédric; Chang, Jinfan; Chang, Yun; Chen, Pingping; Chen, Po-An; Chen, Shaomin; Chen, Xurong; Chen, Yi-Wen; Chen, Yixue; Chen, Yu; Chen, Zhang; Cheng, Jie; Cheng8, Yaping; Chetverikov68, Alexey; Chiesa59, Davide; Chimenti3, Pietro; Chukanov68, Artem; Claverie45, Gérard; Clementi63, Catia; Clerbaux2, Barbara; Conforti Di Lorenzo45, Selma; Corti61, Daniele; Dal Corso61, Flavio; Dalager75, Olivia; De La Taille45, Christophe; Deng14, Zhi; Deng11, Ziyan; Depnering52, Wilfried; Diaz6, Marco; Ding58, Xuefeng; Ding11, Yayun; Dirgantara74, Bayu; Dmitrievsky68, Sergey; Dohnal42, Tadeas; Dolzhikov68, Dmitry; Donchenko70, Georgy; Dong14, Jianmeng; Doroshkevich69, Evgeny; Dracos46, Marcos; Druillole45, Frédéric; Du11, Ran; Du38, Shuxian; Dusini61, Stefano; Dvorak42, Martin; Enqvist43, Timo; Enzmann52, Heike; Fabbri65, Andrea; Fan25, Donghua; Fan11, Lei; Fang11, Jian; Fang11, Wenxing; Fargetta56, Marco; Fedoseev68, Dmitry; Feng39, Li-Cheng; Feng22, Qichun; Ford58, Richard; Fournier45, Amélie; Gan33, Haonan; Gao49, Feng; Garfagnini62, Alberto; Gavrikov68, Arsenii; Giammarchi58, Marco; Giaz62, Agnese; Giudice56, Nunzio; Gonchar68, Maxim; Gong14, Guanghua; Gong14, Hui; Gornushkin68, Yuri; Göttel51, Alexandre; 49, ; Grassi62, Marco; Gromov68, Vasily; Gu11, Minghao; Gu38, Xiaofei; Gu20, Yu; Guan11, Mengyun; Guardone56, Nunzio; Gul67, Maria; Guo11, Cong; Guo21, Jingyuan; Guo11, Wanlei; Guo9, Xinheng; Guo36, Yuhang; Hackspacher52, Paul; Hagner50, Caren; Han8, Ran; Han21, Yang; Sohaib Hassan67, Muhammad; He11, Miao; He11, Wei; Heinz55, Tobias; Hellmuth45, Patrick; Heng11, Yuekun; Herrera6, Rafael; Hor21, Yuenkeung; Hou11, Shaojing; Hsiung41, Yee; Hu41, Bei-Zhen; Hu21, Hang; Hu11, Jianrun; Hu11, Jun; Hu10, Shouyang; Hu11, Tao; Hu21, Zhuojun; Huang21, Chunhao; Huang25, Guihong; Huang10, Hanxiong; Huang26, Wenhao; Huang11, Xin; Huang26, Xingtao; Huang29, Yongbo; Hui31, Jiaqi; Huo22, Lei; Huo23, Wenju; Huss45, Cédric; Hussain67, Safeer; Ioannisian1, Ara; Isocrate61, Roberto; Jelmini62, Beatrice; Jen39, Kuo-Lun; Jeria6, Ignacio; Ji11, Xiaolu; Ji21, Xingzhao; Jia34, Huihui; Jia35, Junji; Jian10, Siyu; Jiang23, Di; Jiang11, Wei; Jiang11, Xiaoshan; Jin11, Ruyi; Jing11, Xiaoping; Jollet45, Cécile; Joutsenvaara43, Jari; Jungthawan74, Sirichok; Kalousis46, Leonidas; Kampmann54, Philipp; 51, ; Kang19, Li; Karaparambil48, Rebin; Kazarian1, Narine; Khatun71, Amina; Khosonthongkee74, Khanchai; Korablev68, Denis; Kouzakov70, Konstantin; Krasnoperov68, Alexey; Kutovskiy68, Nikolay; Kuusiniemi43, Pasi; Lachenmaier55, Tobias; Landini58, Cecilia; Leblanc45, Sébastien; Lebrin48, Victor; Lefevre48, Frederic; Lei19, Ruiting; Leitner42, Rupert; Leung39, Jason; Li38, Demin; Li11, Fei; Li14, Fule; Li11, Gaosong; Li21, Haitao; Li11, Huiling; Li21, Jiaqi; Li11, Mengzhao; Li12, Min; Li11, Nan; Li17, Nan; Li17, Qingjiang; Li11, Ruhui; Li19, Shanfeng; Li21, Tao; Li11, Weidong; 15, ; Li11, Weiguo; Li10, Xiaomei; Li11, Xiaonan; Li10, Xinglong; Li19, Yi; Li11, Yufeng; Li11, Zepeng; Li11, Zhaohan; Li21, Zhibing; Li21, Ziyuan; Liang10, Hao; Liang23, Hao; Liao21, Jiajun; Limphirat74, Ayut; Limpijumnong74, Sukit; Lin39, Guey-Lin; Lin19, Shengxin; Lin11, Tao; Ling21, Jiajie; Lippi61, Ivano; Liu12, Fang; Liu38, Haidong; Liu29, Hongbang; Liu24, Hongjuan; Liu21, Hongtao; Liu20, Hui; Liu31, Jianglai; 32, ; Liu11, Jinchang; Liu24, Min; Liu15, Qian; Liu23, Qin; Liu51, Runxuan; 49, ; Liu11, Shuangyu; Liu23, Shubin; Liu11, Shulin; Liu21, Xiaowei; Liu29, Xiwen; Liu11, Yan; Liu11, Yunzhe; Lokhov70, Alexey; 69, ; Lombardi58, Paolo; Lombardo56, Claudio; Loo52, Kai; Lu33, Chuan; Lu11, Haoqi; Lu16, Jingbin; Lu11, Junguang; Lu38, Shuxiang; Lu11, Xiaoxu; Lubsandorzhiev69, Bayarto; Lubsandorzhiev69, Sultim; Ludhova51, Livia; 49, ; Lukanov69, Arslan; Luo24, Fengjiao; Luo21, Guang; Ma11, Qiumei; Ma11, Si; Ma11, Xiaoyan; Ma12, Xubo; Maalmi44, Jihane; Malyshkin68, Yury; Carlos Mandujano75, Roberto; Mantovani, Fabio; Manzali62, Francesco; Mao8, Xin; Mao13, Yajun; Mari65, Stefano M.; Marini62, Filippo; Marium67, Sadia; Martellini65, Cristina; Martin-Chassard44, Gisele; Martini64, Agnese; Mayer53, Matthias; Mayilyan1, Davit; Mednieks66, Ints; Meng31, Yue; Meregaglia45, Anselmo; Meroni58, Emanuela; Meyhöfer50, David; Mezzetto61, Mauro; Miller7, Jonathan; Miramonti58, Lino; Montini65, Paolo; Montuschi, Michele; Müller55, Axel; Nastasi59, Massimiliano; Naumov68, Dmitry V.; Naumova68, Elena; Navas-Nicolas44, Diana; Nemchenok68, Igor; Thuan Nguyen Thi39, Minh; Ning11, Feipeng; Ning11, Zhe; Nunokawa4, Hiroshi; Oberauer53, Lothar; Pedro Ochoa-Ricoux75, Juan; 5, 6; Olshevskiy68, Alexander; Orestano65, Domizia; Ortica63, Fausto; Othegraven52, Rainer; Paoloni64, Alessandro; Parmeggiano58, Sergio; Pei11, Yatian; Pelliccia63, Nicomede; Peng24, Anguo; Peng23, Haiping; Perrot45, Frédéric; Petitjean2, Pierre-Alexandre; Petrucci65, Fabrizio; Pilarczyk52, Oliver; Felipe Piñeres Rico46, Luis; Popov70, Artyom; Poussot46, Pascal; Pratumwan74, Wathan; Previtali59, Ezio; Qi11, Fazhi; Qi28, Ming; Qian11, Sen; Qian11, Xiaohui; Qian21, Zhen; Qiao13, Hao; Qin11, Zhonghua; Qiu24, Shoukang; Usman Rajput67, Muhammad; Ranucci58, Gioacchino; Raper21, Neill; Re58, Alessandra; Rebber50, Henning; Rebii45, Abdel; Ren19, Bin; Ren10, Jie; Ricci, Barbara; Rifai51, Mariam; 49, ; Roche45, Mathieu; Rodphai72, Narongkiat; Romani63, Aldo; Roskovec42, Bedrich; Ruan29, Xiangdong; Ruan10, Xichao; Rujirawat74, Saroj; Rybnikov68, Arseniy; Sadovsky68, Andrey; Saggese58, Paolo; Sanfilippo65, Simone; Sangka73, Anut; Sanguansak74, Nuanwan; Sawangwit73, Utane; Sawatzki53, Julia; Sawy62, Fatma; Schever51, Michaela; 49, ; Schwab46, Cédric; Schweizer53, Konstantin; Selyunin68, Alexandr; Serafini, Andrea; Settanta51, Giulio; A, ; Settimo48, Mariangela; Shao36, Zhuang; Sharov68, Vladislav; Shaydurova68, Arina; Shi11, Jingyan; Shi11, Yanan; Shutov68, Vitaly; Sidorenkov69, Andrey; Šimkovic71, Fedor; Sirignano62, Chiara; Siripak74, Jaruchit; Sisti59, Monica; Slupecki43, Maciej; Smirnov21, Mikhail; Smirnov68, Oleg; Sogo-Bezerra48, Thiago; Sokolov68, Sergey; Songwadhana74, Julanan; Soonthornthum73, Boonrucksar; Sotnikov68, Albert; Šrámek42, Ondrej; Sreethawong74, Warintorn; Stahl49, Achim; Stanco61, Luca; Stankevich70, Konstantin; Štefánik71, Dušan; Steiger52, Hans; 53, ; Steiger52, Hans; 53, ; Steinmann49, Jochen; Sterr55, Tobias; Raphael Stock53, Matthias; Strati, Virginia; Studenikin70, Alexander; Sun12, Shifeng; Sun11, Xilei; Sun23, Yongjie; Sun11, Yongzhao; Suwonjandee72, Narumon; Szelezniak46, Michal; Tang21, Jian; Tang21, Qiang; Tang24, Quan; Tang11, Xiao; Tietzsch55, Alexander; Tkachev69, Igor; Tmej42, Tomas; Danilo Claudio Torri58, Marco; Treskov68, Konstantin; Triossi62, Andrea; Troni6, Giancarlo; Trzaska43, Wladyslaw; Tuve56, Cristina; Ushakov69, Nikita; Vanroyen48, Guillaume; Vedin66, Vadim; Verde56, Giuseppe; Vialkov70, Maxim; Viaud48, Benoit; Moritz Vollbrecht51, Cornelius; 49, ; Volpe44, Cristina; Vorobel42, Vit; Voronin69, Dmitriy; Votano64, Lucia; Walker6, Pablo; 5, ; Wang19, Caishen; Wang40, Chung-Hsiang; Wang38, En; Wang22, Guoli; Wang23, Jian; Wang21, Jun; Wang11, Kunyu; Wang11, Lu; Wang11, Meifen; Wang24, Meng; Wang26, Meng; Wang11, Ruiguang; Wang13, Siguang; Wang28, Wei; Wang21, Wei; Wang11, Wenshuai; Wang17, Xi; Wang21, Xiangyue; Wang11, Yangfu; Wang11, Yaoguang; Wang14, Yi; Wang25, Yi; Wang11, Yifang; Wang14, Yuanqing; Wang28, Yuman; Wang14, Zhe; Wang11, Zheng; Wang11, Zhimin; Wang14, Zongyi; Waqas67, Muhammad; Watcharangkool73, Apimook; Wei11, Lianghong; Wei11, Wei; Wei11, Wenlu; Wei19, Yadong; Wen11, Kaile; Wen11, Liangjian; Wiebusch49, Christopher; Chan-Fai Wong21, Steven; Wonsak50, Bjoern; Wu11, Diru; Wu26, Qun; Wu11, Zhi; Wurm52, Michael; Wurtz46, Jacques; Wysotzki49, Christian; Xi33, Yufei; Xia18, Dongmei; Xiao21, Xiang; Xie29, Xiaochuan; Xie11, Yuguang; Xie11, Zhangquan; Xing11, Zhizhong; Xu14, Benda; Xu24, Cheng; Xu32, Donglian; 31, ; Xu20, Fanrong; Xu11, Hangkun; Xu11, Jilei; Xu9, Jing; Xu11, Meihang; Xu34, Yin; Xu21, Yu; Yan11, Baojun; Yan74, Taylor; Yan11, Wenqi; Yan11, Xiongbo; Yan74, Yupeng; Yang11, Anbo; Yang11, Changgen; Yang29, Chengfeng; Yang11, Huan; Yang38, Jie; Yang19, Lei; Yang11, Xiaoyu; Yang11, Yifan; Yang2, Yifan; Yao11, Haifeng; Yasin67, Zafar; Ye11, Jiaxuan; Ye11, Mei; Ye32, Ziping; Yermia48, Frédéric; Yi11, Peihuai; Yin26, Na; Yin11, Xiangwei; You21, Zhengyun; Yu11, Boxiang; Yu19, Chiye; Yu34, Chunxu; Yu21, Hongzhao; Yu35, Miao; Yu34, Xianghui; Yu11, Zeyuan; Yu11, Zezhong; Yuan11, Chengzhuo; Yuan13, Ying; Yuan14, Zhenxiong; Yue21, Baobiao; Zafar67, Noman; Zavadskyi68, Vitalii; Zeng11, Shan; Zeng11, Tingxuan; Zeng21, Yuda; Zhan11, Liang; Zhang14, Aiqiang; Zhang31, Feiyang; Zhang11, Guoqing; Zhang11, Haiqiong; Zhang21, Honghao; Zhang28, Jialiang; Zhang11, Jiawen; Luo21, Pengwei; Luo37, Shu; Luo11, Wuming; Luo11, Xiaojie; Lyashuk69, Vladimir; Ma26, Bangzheng
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