Neutrino physics with JUNO

An, Fengpeng; An, Guangpeng; An, Q.; Antonelli, Vito; Baussan, E.; Beacom, J. F.; Bezrukov, L.; Blyth, S.; Brugnera, R.; Avanzini, M. Buizza; Busto, J.; Cabrera, A.; Cai, H.; Cai, X.; Cammi, Antonio; Cao, G. F.; Cao, Jun; Chang, Yun Hsuan; Chen, Shaomin; Chen, Shenjian; Chen, Yixue; Chiesa, D.; Clemenza, M.; Clerbaux, B.; Conrad, J. M.; D’Angelo, D.; Kerret, H. de; Deng, Zhi; Deng, Z. Y.; Ding, Yayun; Djurcic, Z.; Dornic, D.; Dracos, M.; Drapier, O.; Dusini, S.; Dye, Stephen T.; Enqvist, T.; Fan, Donghua; Fang, J.; Favart, L.; Ford, R.; Göger‐Neff, M.; Gan, Haonan; Garfagnini, A.; Giammarchi, M.; Gonchar, M.; Gong, Guanghua; Gong, H.; Gonin, M.; Grassi, M.; Grewing, Christian; Guan, Mengyun; Guarino, V.; Guo, Gang; Guo, Wanlei; Guo, X. H.; Hagner, C.; Han, Ran; He, M.; Heng, Y. K.; Hsiung, Y.; Hu, Jun; Hu, Shouyang; Hu, T.; Huang, Hanxiong; Huang, X. T.; Huo, L.; Ioannisian, Ara; Jeitler, M.; Ji, X.; Jiang, X. S.; Jollet, C.; Li, Kang; Karagounis, M.; Kazarian, Narine; Krumshteyn, Z. V.; Kruth, A.; Kuusiniemi, P.; Lachenmaier, T.; Leitner, R.; Li, Chao; Li, Jiaxing; Li, Weidong; Li, Weiguo; Li, Xiaomei; Li, Xiaonan; Li, Yang; Li, Yufeng; Li, Zhi Bing; Liang, H.; Lin, G. L.; Lin, Tao; Lin, Yen Hsun; Ling, Jiajie; Lippi, I.; Liu, Dawei; Liu, Hongbang; Liu, Hu; Liu, Jianglai; Liu, Jianli; Liu, Jinchang; Liu, Qian; Liu, Shubin; Liu, Shulin; Lombardi, P.; Long, Yongbing; Lu, Haoqi; Lu, J. G.; Lu, Jingbin; Lu, J. S.; Лубсандоржиев, Б.; Ludhová, L.; Luo, Shu; Lyashuk, V. I.; Möllenberg, R.; Ma, Xubo; Mantovani, Fabio; Mao, Y.; Mari, Stefano Maria; McDonough, William F.; Meng, G.; Meregaglia, A.; Meroni, E.; Mezzetto, M.; Miramonti, L.; Mueller, Th A.; Naumov, D.; Oberauer, L.; Ochoa-Ricoux, J. P.; Olshevskiy, A.; Ortica, F.; Paoloni, A.; Peng, H.; Peng, J. C.; Previtali, E.; Qi, M.; Qian, S.; Qian, X.; Qian, Yongzhong; Qin, Z. H.; Raffelt, Georg G.; Ranucci, G.; Ricci, B.; Robens, Markus; Romani, A.; Ruan, X. D.; Ruan, Xichao; Salamanna, G.; Shaevitz, M. H.; Sinev, V. V.; Sirignano, C.; Sisti, M.; Smirnov, O.; Soiron, M.; Stahl, A.; Stančo, L.; Steinmann, J.; Sun, Xilei; Sun, Y. Z.; Taichenachev, D.; Tang, J.; Tkachev, I.; Trzaska, W. H.; Waasen, Stefan van; Volpe, Cristina; Vorobel, V.; Votano, L.; Wang, Chung Hsiang; Wang, Guoli; Wang, Hao; Wang, Meng; Wang, Ruiguang; Wang, Siguang; Wang, Wei; Wang, Yi; Wang, Yifang; Wang, Zhe; Wang, Zheng; Wang, Zhigang; Wang, Zhimin; Wei, Wei; Wen, L.; Wiebusch, C. H.; Wonsak, B.; Wu, Qun; Wulz, C.-E.; Wurm, M.; Xi, Yufei; Xia, Dongmei; Xie, Y.; Xing, Z. Z.; Xu, Jilei; Yan, Baojun; Yang, Changgen; Yang, Chaowen; Yang, G.; Yang, Lei; Yang, Yifan; Yu, Y.; Yegin, Ugur; Yermia, F.; Zhou, You; Yu, B. X.; Yu, C. X.; Yu, Zeyuan; Zavatarelli, S.; Zhan, Liang; Zhang, Chao; Zhang, Hong Hao; Zhang, Jiawen; Zhang, Jingbo; Zhang, Qingmin; Zhang, Yu Mei; Zhang, Zhenyu; Zhao, Zhen-hua; Zheng, Y.; Zhong, Weili; Zhou, Guorong; Zhou, Jing; Li, Zhou; Zhou, Rong; Zhou, Shun; Zhou, Wenxiong; Zhou, Xiang; Zhou, Y.; Zhou, Yu‐Feng; Zou, J. H.

doi:10.1088/0954-3899/43/3/030401

Cited by 1,117 publications

(1,432 citation statements)

References 456 publications

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“…[51], the NO is somewhat favored over IO at ∼ 2σ level. There are quite a few proposed experiments that may determine the neutrino-mass ordering at more than 3σ level within a decade [54,55], such as PINGU [56], ORCA [57], and JUNO [58,59]. To confirm NO in these future experiments would be a first consistency check of our model.…”

Section: Introductionmentioning

confidence: 85%

Predictions for the neutrino parameters in the minimal gauged $$\hbox {U}(1)_{L_\mu -L_\tau }$$ U ( 1 ) L μ - L τ model

2017

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We study the structure of the neutrino-mass matrix in the minimal gauged U(1) L μ −L τ model, where three right-handed neutrinos are added to the Standard Model in order to obtain non-zero masses for the active neutrinos. Because of the U(1) L μ −L τ gauge symmetry, the structure of both Dirac and Majorana mass terms of neutrinos is tightly restricted. In particular, the inverse of the neutrinomass matrix has zeros in the (μ, μ) and (τ, τ ) components, namely, this model offers a symmetric realization of the socalled two-zero-minor structure in the neutrino-mass matrix. Due to these constraints, all the CP phases -the Dirac CP phase δ and the Majorana CP phases α 2 and α 3 -as well as the mass eigenvalues of the light neutrinos m i are uniquely determined as functions of the neutrino mixing angles θ 12 , θ 23 , and θ 13 , and the squared mass differences m 2 21 and m 2 31 . We find that this model predicts the Dirac CP phase δ to be δ 1.59π -1.70π (1.54π -1.78π ), the sum of the neutrino masses to be i m i 0.14-0.22 eV (0.12-0.40 eV), and the effective mass for the neutrinoless double-beta decay to be m ββ 0.024-0.055 eV (0.017-0.12 eV) at 1σ (2σ ) level, which are totally consistent with the current experimental limits. These predictions can soon be tested in future neutrino experiments. Implications for leptogenesis are also discussed.

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Section: Introductionmentioning

confidence: 85%

Predictions for the neutrino parameters in the minimal gauged $$\hbox {U}(1)_{L_\mu -L_\tau }$$ U ( 1 ) L μ - L τ model

2017

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“…We refrain from depicting ∆(sin 2 θ 23 ) for a different reason. The octant degeneracy, as we demonstrated in the ¶ In the absence of new solar neutrino experiments, better CPT-violating bounds on the long-wavelength parameters are expected from the JUNO experiment [52] (and also RENO-50 [53]). The error bar in Eq.…”

Section: B Constraining Cpt-violationmentioning

confidence: 57%

“…Neither Hyper-K nor DUNE (nor combinations of the two) are expected to modify the current situation. On the other hand, next-generation long-baseline reactor experiments, like JUNO [52] and RENO-50 [53], will measure the antineutrino parameters sin 2 θ 12 and ∆m 2 21 much more precisely. These are expected to have a limited impact on ∆(∆m 2 21 ) given that the dominant contribution to its uncertainty comes from current solar data, unless the preferred value differs significantly from the one reported by KamLAND.…”

Section: Discussionmentioning

confidence: 99%

Neutrino versus antineutrino oscillation parameters at DUNE and Hyper-Kamiokande experiments

Gouvêa

Kelly

2017

Phys. Rev. D

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Testing, in a non-trivial, model-independent way, the hypothesis that the three-massive-neutrinos paradigm properly describes nature is among the main goals of the current and the next generation of neutrino oscillation experiments. In the coming decade, the DUNE and Hyper-Kamiokande experiments will be able to study the oscillation of both neutrinos and antineutrinos with unprecedented precision. We explore the ability of these experiments, and combinations of them, to determine whether the parameters that govern these oscillations are the same for neutrinos and antineutrinos, as prescribed by the CPT-theorem. We find that both DUNE and Hyper-Kamiokande will be sensitive to unexplored levels of leptonic CPT-violation. Assuming the parameters for neutrino and antineutrino oscillations are unrelated, we discuss the ability of these experiments to determine the neutrino and antineutrino mass-hierarchies, atmospheric-mixing octants, and CP-odd phases, three key milestones of the experimental neutrino physics program. Additionally, if the CPT-theorem is violated in nature in a way that is consistent with all present neutrino and antineutrino oscillation data, we find that DUNE and Hyper-Kamiokande have the potential to ultimately establish leptonic CPT-invariance violation.

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“…The protons strike a beryllium target, creating spallation neutrons. In some cases the neutrons exit from the target into a heavy water moderator [45,46], while in some cases there is no moderator [47]. In either case, they then enter into a sleeve containing isotopically pure 7 Li, sometimes in the compound FLiBe (Li 2 BeF 4 ) [47], where they are absorbed yielding 8 Li.…”

Section: Sterile Neutrino Searchesmentioning

confidence: 99%

Getting the most neutrinos out of IsoDAR

et al. 2017

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Several experimental collaborations worldwide intend to test sterile neutrino models by measuring the disappearance of antineutrinos produced via isotope decay at rest (IsoDAR). The most advanced of these proposals have very similar setups, in which a proton beam strikes a target yielding neutrons which are absorbed by a high isotopic purity 7 Li converter, yielding 8 Li whose resulting decay yields the antineutrinos. In this note, we use FLUKA and GEANT4 simulations to investigate three proposed modifications of this standard proposal. In the first, the 7 Li is replaced with 7 Li compounds including a deuterium moderator. In the second, a gap is placed between the target and the converter to reduce the neutron bounce-back. Finally, we consider cooling the converter with liquid nitrogen. We find that these modifications can increase the antineutrino yield by as much as 50%. The first also substantially reduces the quantity of high purity 7 Li which is needed.

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Neutrino physics with JUNO

Cited by 1,117 publications

References 456 publications

Predictions for the neutrino parameters in the minimal gauged $$\hbox {U}(1)_{L_\mu -L_\tau }$$ U ( 1 ) L μ - L τ model

Predictions for the neutrino parameters in the minimal gauged $$\hbox {U}(1)_{L_\mu -L_\tau }$$ U ( 1 ) L μ - L τ model

Neutrino versus antineutrino oscillation parameters at DUNE and Hyper-Kamiokande experiments

Getting the most neutrinos out of IsoDAR

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