Prospects for detecting the diffuse supernova neutrino background with JUNO

Abusleme, A.; Adam, T.; Ahmad, S.; Ahmed, R.; Aiello, S.; Akram, M.; Fengpeng, A.; Qi, A.; Andronico, G.; Anfimov, N.; Antonelli, V.; Antoshkina, T.; Asavapibhop, B.; de André, J.P.A.M.; Auguste, D.; Balashov, N.; Baldini, W.; Barresi, A.; Basilico, D.; Baussan, E.; Bellato, M.; Bergnoli, A.; Birkenfeld, T.; Blin, S.; Blum, D.; Blyth, S.; Bolshakova, A.; Bongrand, M.; Bordereau, C.; Breton, D.; Brigatti, A.; Brugnera, R.; Bruno, R.; Budano, A.; Buscemi, M.; Busto, J.; Butorov, I.; Cabrera, A.; Caccianiga, B.; Cai, H.; Cai, X.; Cai, Y.; Cai, Z.; Callegari, R.; Cammi, A.; Campeny, A.; Cao, C.; Cao, G.; Cao, J.; Caruso, R.; Cerna, C.; Chang, J.; Chang, Y.; Chen, P.; Chen, P.; Chen, S.; Chen, X.; Chen, Y.; Chen, Y.; Chen, Y.; Chen, Z.; Cheng, J.; Cheng, Y.; Chetverikov, A.; Chiesa, D.; Chimenti, P.; Chukanov, A.; Claverie, G.; Clementi, C.; Clerbaux, B.; Lorenzo, S.C.D.; Corti, D.; Corso, F.D.; Dalager, O.; Taille, C.D.L.; Deng, Z.; Deng, Z.; Depnering, W.; Diaz, M.; Ding, X.; Ding, Y.; Dirgantara, B.; Dmitrievsky, S.; Dohnal, T.; Dolzhikov, D.; Donchenko, G.; Dong, J.; Doroshkevich, E.; Dracos, M.; Druillole, F.; Ran, D.; Shuxian, D.; Dusini, S.; Dvorak, M.; Enqvist, T.; Enzmann, H.; Fabbri, A.; Fan, D.; Fan, L.; Fang, J.; Fang, W.; Fargetta, M.; Fedoseev, D.; Feng, L.; Feng, Q.; Ford, R.; Fournier, A.; Gan, H.; Gao, F.; Garfagnini, A.; Gavrikov, A.; Giammarchi, M.; Giaz, A.; Giudice, N.; Gonchar, M.; Gong, G.; Gong, H.; Gornushkin, Y.; Göttel, A.; Grassi, M.; Gromov, V.; Minghao, G.; Xiaofei, G.; Yu, G.; Guan, M.; Guardone, N.; Gul, M.; Guo, C.; Guo, J.; Guo, W.; Guo, X.; Guo, Y.; Hackspacher, P.; Hagner, C.; Han, R.; Han, Y.; Hassan, M.S.; Miao, H.; Wei, H.; Heinz, T.; Hellmuth, P.; Heng, Y.; Herrera, R.; Hor, Y.; Hou, S.; Hsiung, Y.; Bei-Zhen, H.; Hang, H.; Jianrun, H.; Jun, H.; Shouyang, H.; Tao, H.; Zhuojun, H.; Huang, C.; Huang, G.; Huang, H.; Huang, W.; Huang, X.; Huang, X.; Huang, Y.; Hui, J.; Huo, L.; Huo, W.; Huss, C.; Hussain, S.; Ioannisian, A.; Isocrate, R.; Jelmini, B.; Jen, K.; Jeria, I.; Xiaolu, J.; Xingzhao, J.; Jia, H.; Jia, J.; Jian, S.; Jiang, D.; Jiang, W.; Jiang, X.; Jin, R.; Jing, X.; Jollet, C.; Joutsenvaara, J.; Jungthawan, S.; Kalousis, L.; Kampmann, P.; Kang, L.; Karaparambil, R.; Kazarian, N.; Khatun, A.; Khosonthongkee, K.; Korablev, D.; Kouzakov, K.; Krasnoperov, A.; Kutovskiy, N.; Kuusiniemi, P.; Lachenmaier, T.; Landini, C.; Leblanc, S.; Lebrin, V.; Lefevre, F.; Lei, R.; Leitner, R.; Leung, J.; Demin, L.; Fei, L.; Fule, L.; Gaosong, L.; Haitao, L.; Huiling, L.; Jiaqi, L.; Mengzhao, L.; Min, L.; Nan, L.; Nan, L.; Qingjiang, L.; Ruhui, L.; Shanfeng, L.; Tao, L.; Weidong, L.; Weiguo, L.; Xiaomei, L.; Xiaonan, L.; Xinglong, L.; Yi, L.; Yufeng, L.; Zepeng, L.; Zhaohan, L.; Zhibing, L.; Ziyuan, L.; Liang, H.; Liang, H.; Liao, J.; Limphirat, A.; Limpijumnong, S.; Lin, G.; Lin, S.; Lin, T.; Ling, J.; Lippi, I.; Liu, F.; Liu, H.; Liu, H.; Liu, H.; Liu, H.; Liu, H.; Liu, J.; Liu, J.; Liu, M.; Liu, Q.; Liu, Q.; Liu, R.; Liu, S.; Liu, S.; Liu, S.; Liu, X.; Liu, X.; Liu, Y.; Liu, Y.; Lokhov, A.; Lombardi, P.; Lombardo, C.; Loo, K.; Chuan, L.; Haoqi, L.; Jingbin, L.; Junguang, L.; Shuxiang, L.; Xiaoxu, L.; Lubsandorzhiev, B.; Lubsandorzhiev, S.; Ludhova, L.; Lukanov, A.; Luo, F.; Luo, G.; Luo, P.; Luo, S.; Luo, W.; Bangzheng, M.; Qiumei, M.; Si, M.; Xiaoyan, M.; Xubo, M.; Maalmi, J.; Malyshkin, Y.; Mandujano, R.C.; Mantovani, F.; Manzali, F.; Mao, X.; Mao, Y.; Mari, S.M.; Marini, F.; Marium, S.; Martellini, C.; Martin-Chassard, G.; Martini, A.; Mayer, M.; Mayilyan, D.; Mednieks, I.; Meng, Y.; Meregaglia, A.; Meroni, E.; Meyhöfer, D.; Mezzetto, M.; Miller, J.; Miramonti, L.; Montini, P.; Montuschi, M.; Müller, A.; Nastasi, M.; Naumov, D.V.; Naumova, E.; Navas-Nicolas, D.; Nemchenok, I.; Thi, M.T.N.; Ning, F.; Ning, Z.; Nunokawa, H.; Oberauer, L.; Ochoa-Ricoux, J.P.; Olshevskiy, A.; Orestano, D.; Ortica, F.; Othegraven, R.; Paoloni, A.; Parmeggiano, S.; Pei, Y.; Pelliccia, N.; Peng, A.; Peng, H.; Perrot, F.; Petitjean, P.; Petrucci, F.; Pilarczyk, O.; Rico, L.F.P.; Popov, A.; Poussot, P.; Pratumwan, W.; Previtali, E.; Fazhi, Q.; Ming, Q.; Qian, S.; Qian, X.; Qian, Z.; Qiao, H.; Qin, Z.; Qiu, S.; Rajput, M.U.; Ranucci, G.; Raper, N.; Re, A.C.; Rebber, H.; Rebii, A.; Ren, B.; Ren, J.; Ricci, B.; Rifai, M.; Roche, M.; Rodphai, N.; Romani, A.; Roskovec, B.; Ruan, X.; Ruan, X.; Rujirawat, S.; Rybnikov, A.; Sadovsky, A.; Saggese, P.; Sanfilippo, S.; Sangka, A.; Sanguansak, N.; Sawangwit, U.; Sawatzki, J.; Sawy, F.; Schever, M.; Schwab, C.; Schweizer, K.; Selyunin, A.; Serafini, A.; Settanta, G.; Settimo, M.; Shao, Z.; Sharov, V.; Shaydurova, A.; Shi, J.; Shi, Y.; Shutov, V.; Sidorenkov, A.; Šimkovic, F.; Sirignano, C.; Siripak, J.; Sisti, M.; Slupecki, M.; Smirnov, M.; Smirnov, O.; Sogo-Bezerra, T.; Sokolov, S.; Songwadhana, J.; Soonthornthum, B.; Sotnikov, A.; Šrámek, O.; Sreethawong, W.; Stahl, A.; Stanco, L.; Stankevich, K.; Štefánik, D.; Steiger, H.; Steiger, H.; Steinmann, J.; Sterr, T.; Stock, M.R.; Strati, V.; Studenikin, A.; Sun, S.; Sun, X.; Sun, Y.; Sun, Y.; Suwonjandee, N.; Szelezniak, M.; Tang, J.; Tang, Q.; Tang, Q.; Tang, X.; Tietzsch, A.; Tkachev, I.; Tmej, T.; Torri, M.D.C.; Treskov, K.; Triossi, A.; Troni, G.; Trzaska, W.; Tuve, C.; Ushakov, N.; Vanroyen, G.; Vedin, V.; Verde, G.; Vialkov, M.; Viaud, B.; Vollbrecht, C.M.; Volpe, C.; Vorobel, V.; Voronin, D.; Votano, L.; Walker, P.; Wang, C.; Wang, C.; Wang, E.; Wang, G.; Wang, J.; Wang, J.; Wang, K.; Wang, L.; Wang, M.; Wang, M.; Wang, M.; Wang, R.; Wang, S.; Wang, W.; Wang, W.; Wang, W.; Wang, X.; Wang, X.; Wang, Y.; Wang, Y.; Wang, Y.; Wang, Y.; Wang, Y.; Wang, Y.; Wang, Y.; Wang, Z.; Wang, Z.; Wang, Z.; Wang, Z.; Waqas, M.; Watcharangkool, A.; Wei, L.; Wei, W.; Wei, W.; Wei, Y.; Wen, K.; Wen, L.; Wiebusch, C.; Wong, S.C.; Wonsak, B.; Diru, W.; Qun, W.; Zhi, W.; Wurm, M.; Wurtz, J.; Wysotzki, C.; Yufei, X.; Xia, D.; Xiao, X.; Xie, X.; Xie, Y.; Xie, Z.; Xing, Z.; Benda, X.; Cheng, X.; Donglian, X.; Fanrong, X.; Hangkun, X.; Jilei, X.; Jing, X.; Meihang, X.; Yin, X.; Yu, X.; Yan, B.; Yan, T.; Yan, W.; Yan, X.; Yan, Y.; Yang, A.; Yang, C.; Yang, C.; Yang, H.; Yang, J.; Yang, L.; Yang, X.; Yang, Y.; Yang, Y.; Yao, H.; Yasin, Z.; Jiaxuan, Y.; Mei, Y.; Ziping, Y.; Yermia, F.; Peihuai, Y.; Yin, N.; Yin, X.; You, Z.; Boxiang, Y.; Chiye, Y.; Chunxu, Y.; Hongzhao, Y.; Miao, Y.; Xianghui, Y.; Zeyuan, Y.; Zezhong, Y.; Yuan, C.; Yuan, Y.; Yuan, Z.; Yue, B.; Zafar, N.; Zavadskyi, V.; Zeng, S.; Zeng, T.; Zeng, Y.; Zhan, L.; Zhang, A.; Zhang, F.; Zhang, G.; Zhang, H.; Zhang, H.; Zhang, J.; Zhang, J.; Zhang, J.; Zhang, J.; Zhang, J.; Zhang, J.; Zhang, P.; Zhang, Q.; Zhang, S.; Zhang, S.; Zhang, T.; Zhang, X.; Zhang, X.; Zhang, X.; Zhang, X.; Zhang, Y.; Zhang, Y.; Zhang, Y.; Zhang, Y.; Zhang, Y.; Zhang, Y.; Zhang, Y.; Zhang, Z.; Zhang, Z.; Zhao, F.; Zhao, J.; Zhao, R.; Zhao, S.; Zhao, T.; Zheng, D.; Zheng, H.; Zheng, Y.; Zhong, W.; Zhou, J.; Zhou, L.; Zhou, N.; Zhou, S.; Zhou, T.; Zhou, X.; Zhu, J.; Zhu, K.; Zhu, K.; Zhu, Z.; Zhuang, B.; Zhuang, H.; Zong, L.; Zou, J.

doi:10.1088/1475-7516/2022/10/033

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 / A. Abusleme, T. Adam, S. Ahmad, R. Ahmed, S. Aiello, M. Akram, F. An, Q. An, G. Andronico, N. Anfimov, V. Antonelli, T. Antoshkina, B. Asavapibhop, J.P.A.M. de André, D. Auguste, N. Balashov, W. Baldini, A. Barresi, D. Basilico, E. Baussan, M. Bellato, A. Bergnoli, T. Birkenfeld, S. Blin, D. Blum, S. Blyth, A. Bolshakova, M. Bongrand, C. Bordereau, D. Breton, A. Brigatti, R. Brugnera, R. Bruno, A. Budano, M. Buscemi, J. Busto, I. Butorov, A. Cabrera, B. Caccianiga, H. Cai, X. Cai, Y. Cai, Z. Cai, R. Callegari, A. Cammi, A. Campeny, C. Cao, G. Cao, J. Cao, R. Caruso, C. Cerna, J. Chang, Y. Chang, P. Chen, P. Chen, S. Chen, X. Chen, Y. Chen, Y. Chen, Y. Chen, Z. Chen, J. Cheng, Y. Cheng, A. Chetverikov, D. Chiesa, P. Chimenti, A. Chukanov, G. Claverie, C. Clementi, B. Clerbaux, S.C.D. Lorenzo, D. Corti, F.D. Corso, O. Dalager, C.D.L. Taille, Z. Deng, Z. Deng, W. Depnering, M. Diaz, X. Ding, Y. Ding, B. Dirgantara, S. Dmitrievsky, T. Dohnal, D. Dolzhikov, G. Donchenko, J. Dong, E. Doroshkevich, M. Dracos, F. Druillole, R. Du, S. Du, S. Dusini, M. Dvorak, T. Enqvist, H. Enzmann, A. Fabbri, D. Fan, L. Fan, J. Fang, W. Fang, M. Fargetta, D. Fedoseev, L. Feng, Q. Feng, R. Ford, A. Fournier, H. Gan, F. Gao, A. Garfagnini, A. Gavrikov, M. Giammarchi, A. Giaz, N. Giudice, M. Gonchar, G. Gong, H. Gong, Y. Gornushkin, A. Göttel, M. Grassi, V. Gromov, M. Gu, X. Gu, Y. Gu, M. Guan, N. Guardone, M. Gul, C. Guo, J. Guo, W. Guo, X. Guo, Y. Guo, P. Hackspacher, C. Hagner, R. Han, Y. Han, M.S. Hassan, M. He, W. He, T. Heinz, P. Hellmuth, Y. Heng, R. Herrera, Y. Hor, S. Hou, Y. Hsiung, B. Hu, H. Hu, J. Hu, J. Hu, S. Hu, T. Hu, Z. Hu, C. Huang, G. Huang, H. Huang, W. Huang, X. Huang, X. Huang, Y. Huang, J. Hui, L. Huo, W. Huo, C. Huss, S. Hussain, A. Ioannisian, R. Isocrate, B. Jelmini, K. Jen, I. Jeria, X. Ji, X. Ji, H. Jia, J. Jia, S. Jian, D. Jiang, W. Jiang, X. Jiang, R. Jin, X. Jing, C. Jollet, J. Joutsenvaara, S. Jungthawan, L. Kalousis, P. Kampmann, L. Kang, R. Karaparambil, N. Kazarian, A. Khatun, K. Khosonthongkee, D. Korablev, K. Kouzakov, A. Krasnoperov, N. Kutovskiy, P. Kuusiniemi, T. Lachenmaier, C. Landini, S. Leblanc, V. Lebrin, F. Lefevre, R. Lei, R. Leitner, J. Leung, D. Li, F. Li, F. Li, G. Li, H. Li, H. Li, J. Li, M. Li, M. Li, N. Li, N. Li, Q. Li, R. Li, S. Li, T. Li, W. Li, W. Li, X. Li, X. Li, X. Li, Y. Li, Y. Li, Z. Li, Z. Li, Z. Li, Z. Li, H. Liang, H. Liang, J. Liao, A. Limphirat, S. Limpijumnong, G. Lin, S. Lin, T. Lin, J. Ling, I. Lippi, F. Liu, H. Liu, H. Liu, H. Liu, H. Liu, H. Liu, J. Liu, J. Liu, M. Liu, Q. Liu, Q. Liu, R. Liu, S. Liu, S. Liu, S. Liu, X. Liu, X. Liu, Y. Liu, Y. Liu, A. Lokhov, P. Lombardi, C. Lombardo, K. Loo, C. Lu, H. Lu, J. Lu, J. Lu, S. Lu, X. Lu, B. Lubsandorzhiev, S. Lubsandorzhiev, L. Ludhova, A. Lukanov, F. Luo, G. Luo, P. Luo, S. Luo, W. Luo, B. Ma, Q. Ma, S. Ma, X. Ma, X. Ma, J. Maalmi, Y. Malyshkin, R.C. Mandujano, F. Mantovani, F. Manzali, X. Mao, Y. Mao, S.M. Mari, F. Marini, S. Marium, C. Martellini, G. Martin-Chassard, A. Martini, M. Mayer, D. Mayilyan, I. Mednieks, Y. Meng, A. Meregaglia, E. Meroni, D. Meyhöfer, M. Mezzetto, J. Miller, L. Miramonti, P. Montini, M. Montuschi, A. Müller, M. Nastasi, D.V. Naumov, E. Naumova, D. Navas-Nicolas, I. Nemchenok, M.T.N. Thi, F. Ning, Z. Ning, H. Nunokawa, L. Oberauer, J.P. Ochoa-Ricoux, A. Olshevskiy, D. Orestano, F. Ortica, R. Othegraven, A. Paoloni, S. Parmeggiano, Y. Pei, N. Pelliccia, A. Peng, H. Peng, F. Perrot, P. Petitjean, F. Petrucci, O. Pilarczyk, L.F.P. Rico, A. Popov, P. Poussot, W. Pratumwan, E. Previtali, F. Qi, M. Qi, S. Qian, X. Qian, Z. Qian, H. Qiao, Z. Qin, S. Qiu, M.U. Rajput, G. Ranucci, N. Raper, A.C. Re, H. Rebber, A. Rebii, B. Ren, J. Ren, B. Ricci, M. Rifai, M. Roche, N. Rodphai, A. Romani, B. Roskovec, X. Ruan, X. Ruan, S. Rujirawat, A. Rybnikov, A. Sadovsky, P. Saggese, S. Sanfilippo, A. Sangka, N. Sanguansak, U. Sawangwit, J. Sawatzki, F. Sawy, M. Schever, C. Schwab, K. Schweizer, A. Selyunin, A. Serafini, G. Settanta, M. Settimo, Z. Shao, V. Sharov, A. Shaydurova, J. Shi, Y. Shi, V. Shutov, A. Sidorenkov, F. Šimkovic, C. Sirignano, J. Siripak, M. Sisti, M. Slupecki, M. Smirnov, O. Smirnov, T. Sogo-Bezerra, S. Sokolov, J. Songwadhana, B. Soonthornthum, A. Sotnikov, O. Šrámek, W. Sreethawong, A. Stahl, L. Stanco, K. Stankevich, D. Štefánik, H. Steiger, H. Steiger, J. Steinmann, T. Sterr, M.R. Stock, V. Strati, A. Studenikin, S. Sun, X. Sun, Y. Sun, Y. Sun, N. Suwonjandee, M. Szelezniak, J. Tang, Q. Tang, Q. Tang, X. Tang, A. Tietzsch, I. Tkachev, T. Tmej, M.D.C. Torri, K. Treskov, A. Triossi, G. Troni, W. Trzaska, C. Tuve, N. Ushakov, G. Vanroyen, V. Vedin, G. Verde, M. Vialkov, B. Viaud, C.M. Vollbrecht, C. Volpe, V. Vorobel, D. Voronin, L. Votano, P. Walker, C. Wang, C. Wang, E. Wang, G. Wang, J. Wang, J. Wang, K. Wang, L. Wang, M. Wang, M. Wang, M. Wang, R. Wang, S. Wang, W. Wang, W. Wang, W. Wang, X. Wang, X. Wang, Y. Wang, Y. Wang, Y. Wang, Y. Wang, Y. Wang, Y. Wang, Y. Wang, Z. Wang, Z. Wang, Z. Wang, Z. Wang, M. Waqas, A. Watcharangkool, L. Wei, W. Wei, W. Wei, Y. Wei, K. Wen, L. Wen, C. Wiebusch, S.C. Wong, B. Wonsak, D. Wu, Q. Wu, Z. Wu, M. Wurm, J. Wurtz, C. Wysotzki, Y. Xi, D. Xia, X. Xiao, X. Xie, Y. Xie, Z. Xie, Z. Xing, B. Xu, C. Xu, D. Xu, F. Xu, H. Xu, J. Xu, J. Xu, M. Xu, Y. Xu, Y. Xu, B. Yan, T. Yan, W. Yan, X. Yan, Y. Yan, A. Yang, C. Yang, C. Yang, H. Yang, J. Yang, L. Yang, X. Yang, Y. Yang, Y. Yang, H. Yao, Z. Yasin, J. Ye, M. Ye, Z. Ye, F. Yermia, P. Yi, N. Yin, X. Yin, Z. You, B. Yu, C. Yu, C. Yu, H. Yu, M. Yu, X. Yu, Z. Yu, Z. Yu, C. Yuan, Y. Yuan, Z. Yuan, B. Yue, N. Zafar, V. Zavadskyi, S. Zeng, T. Zeng, Y. Zeng, L. Zhan, A. Zhang, F. Zhang, G. Zhang, H. Zhang, H. Zhang, J. Zhang, J. Zhang, J. Zhang, J. Zhang, J. Zhang, J. Zhang, P. Zhang, Q. Zhang, S. Zhang, S. Zhang, T. Zhang, X. Zhang, X. Zhang, X. Zhang, X. Zhang, Y. Zhang, Y. Zhang, Y. Zhang, Y. Zhang, Y. Zhang, Y. Zhang, Y. Zhang, Z. Zhang, Z. Zhang, F. Zhao, J. Zhao, R. Zhao, S. Zhao, T. Zhao, D. Zheng, H. Zheng, Y. Zheng, W. Zhong, J. Zhou, L. Zhou, N. Zhou, S. Zhou, T. Zhou, X. Zhou, J. Zhu, K. Zhu, K. Zhu, Z. Zhu, B. Zhuang, H. Zhuang, L. Zong, J. Zou. - In: JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS. - ISSN 1475-7516. - 2022:10(2022), pp. 033.1-033.28. [10.1088/1475-7516/2022/10/033]

Prospects for detecting the diffuse supernova neutrino background with JUNO

Abusleme, Angel;Adam, Thomas;Ahmad, Shakeel;Ahmed, Rizwan;Aiello, Sebastiano;Akram, Muhammad;An, Fengpeng;An, Qi;Andronico, Giuseppe;Anfimov, Nikolay;V. Antonelli;Antoshkina, Tatiana;Asavapibhop, Burin;Auguste, Didier;Balashov, Nikita;Baldini, Wander;Barresi, Andrea;D. Basilico;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;B. Caccianiga;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;Cheng, Yaping;Chetverikov, Alexey;Chiesa, Davide;Chimenti, Pietro;Chukanov, Artem;Claverie, Gérard;Clementi, Catia;Clerbaux, Barbara;Lorenzo, Selma Conforti Di;Corti, Daniele;Corso, Flavio Dal;Dalager, Olivia;Taille, Christophe De La;Deng, Zhi;Deng, Ziyan;Depnering, Wilfried;Diaz, Marco;Ding, Xuefeng;Ding, Yayun;Dirgantara, Bayu;Dmitrievsky, Sergey;Dohnal, Tadeas;Dolzhikov, Dmitry;Donchenko, Georgy;Dong, Jianmeng;Doroshkevich, Evgeny;Dracos, Marcos;Druillole, Frédéric;Du, Ran;Du, Shuxian;Dusini, Stefano;Dvorak, Martin;Enqvist, Timo;Enzmann, Heike;Fabbri, Andrea;Fan, Donghua;Fan, Lei;Fang, Jian;Fang, Wenxing;Fargetta, Marco;Fedoseev, Dmitry;Feng, Li-Cheng;Feng, Qichun;Ford, Richard;Fournier, Amélie;Gan, Haonan;Gao, Feng;Garfagnini, Alberto;Gavrikov, Arsenii;M. 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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.

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	Settori scientifico-disciplinari dell'articolo
	
			Settore FIS/01 - Fisica Sperimentale
Settore FIS/04 - Fisica Nucleare e Subnucleare
		
	Data di pubblicazione
	
			2022
		
	Rivista in ANCE
	
			JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
		
	DOI
	
			https://dx.doi.org/10.1088/1475-7516/2022/10/033
		
	Tipologia
	
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			01 - Articolo su periodico

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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2434/940375

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