Accès ouvert déclaré 2022 article

First Measurement of High-Energy Reactor Antineutrinos at Daya Bay

Fengpeng An, Weidong Bai, A. B. Balantekin, M. Bishai, S. Blyth, G. F. Cao, Jun Cao, J. F. Chang, Y. Chang, H S Chen, H. Chen, S M Chen, Y. Chen, Y X Chen, Jie Cheng, Zhaokan Cheng, J. J. Cherwinka, M. C. Chu, J. P. Cummings, Olivia Dalager, F. S. Deng, Ying Ding, M. Diwan, Tadeáš Dohnal, Dmitry Dolzhikov, J. Dove, D. A. Dwyer, J. P. Gallo, M. Gonchar, G. Gong, Haipeng Gong, W. Gu, J. Y. Guo, Lei Guo, Xin-Heng Guo, Yuhang Guo, Ziyi Guo, R. Hackenburg, S. Hans, M. He, K. M. Heeger, Y. K. Heng, Y. K. Hor, Y. Hsiung, Beibei Hu, Jun Hu, T. Hu, Z. Hu, Han‐Xiong Huang, Jihong Huang, X. T. Huang, Y. B. Huang, Patrick Huber, D. E. Jaffe, K. L. Jen, X. L. Ji, Xiangpan Ji, R. A. Johnson, D. Jones, Li-Wei Kang, S. H. Kettell, S. Kohn, M. Krämer, T. J. Langford, J. Lee, J. H. C. Lee, R. T. Lei, R. Leitner, J. K. C. Leung, F Li, H L Li, Jinjing Li, Qiang Li, R H Li, S. Li, S. Li, W D Li, X N Li, X. Li, Y F Li, Zongwang Li, Han Liang, C.-J. Lin, Guey-Lin Lin, S. Lin, J. J. Ling, J. M. Link, L. Littenberg, B. R. Littlejohn, J C Liu, Jianglai Liu, Jin Liu, C. Lu, H. Q. Lu, X.-G. Lu, B Z, X B, X Y, Y Q, R. C. Mandujano, C. Marshall, Kirk T. McDonald, R. D. McKeown, Yue Meng, J. Napolitano, D. Naumov, E. Naumova, T. M. T. Nguyen, J. P. Ochoa‐Ricoux, A. Olshevskiy, H.-R. Pan, J. Park, S. Patton, J. C. Peng, C. S. J. Pun, F. Z. Qi, M. Qi, X. Qian, N. Raper, Jie Ren, C. Morales Reveco, R. Rosero, B. Roskovec, Xichao Ruan, H. Steiner, Jian Sun, Tomáš Tměj, Konstantin Treskov, W-H Tse, C. E. Tull, B. Viren, V. Vorobel, C H Wang, Jun Wang, M. Wang, N Y Wang, Ruiguang Wang, W Wang, X. Wang, Y. Wang, Y F Wang, Z. Wang, Z M Wang, H. Wei, Lianghong Wei, Liangjian Wen, K. Whisnant, C.G. White, H. L. H. Wong, E. Worcester, Diru Wu, Q. Wu, W. Wu, D. M. Xia, Z. Q. Xie, Z. Z. Xing, Huaiyu Xu, Jilei Xu, T. Xu, T. Xue, Changgen Yang, L. Yang, Yifan Yang, H. F. Yao, M. Ye, M. Yeh, Ben Young, H. Z. Yu, Zeyuan Yu, B. B. Yue, Vitalii Zavadskyi, S. Zeng, Yuda Zeng, Liang Zhan, C. Zhang, F Y Zhang, H H Zhang, Ji‐Zong Zhang, Jiawen Zhang, Qingmin Zhang, Sude Zhang, X T Zhang, Yibo Zhang, Y X Zhang, Y Y Zhang, Z J Zhang, Z. P. Zhang, Z Y Zhang, J. Zhao, R. Z. Zhao, L. Zhou, H.L. Zhuang, J. H. Zou

26Citations signalées, ce qui n’est pas une note de qualité

43Institutions déclarées

7Pays d’affiliation déclarés

Rattachement africain : cn, us, tw, hk, cz, ru, ca. Niveau de preuve : code pays fourni par la source.

Le résumé fourni par la source

This Letter reports the first measurement of high-energy reactor antineutrinos at Daya Bay, with nearly 9000 inverse beta decay candidates in the prompt energy region of 8-12 MeV observed over 1958 days of data collection. A multivariate analysis is used to separate 2500 signal events from background statistically. The hypothesis of no reactor antineutrinos with neutrino energy above 10 MeV is rejected with a significance of 6.2 standard deviations. A 29% antineutrino flux deficit in the prompt energy region of 8-11 MeV is observed compared to a recent model prediction. We provide the unfolded antineutrino spectrum above 7 MeV as a data-based reference for other experiments. This result provides the first direct observation of the production of antineutrinos from several high-Q_{β} isotopes in commercial reactors.

Ce résumé expose les affirmations des auteurs. BNTIC ne l’interprète pas comme une validation indépendante des résultats.

Le contrôle bibliographique ouvert

DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.

Titre Crossref: First Measurement of High-Energy Reactor Antineutrinos at Daya Bay
Date Crossref: 18/07/2022
Éditeur: American Physical Society (APS)
Type: journal-article

Ce recoupement confirme des métadonnées liées au DOI. Il ne confirme ni la méthode ni les conclusions de l’étude, et il ne compte pas comme une seconde source scientifique indépendante.

Les institutions déclarées

Sun Yat-sen University University of Wisconsin–Madison Brookhaven National Laboratory National Taiwan University Institute of High Energy Physics National United University Tsinghua University North China Electric Power University Shenzhen University Chinese University of Hong Kong Siena College University of California, Irvine University of Science and Technology of China Charles University Joint Institute for Nuclear Research University of Illinois Urbana-Champaign Lawrence Berkeley National Laboratory Illinois Institute of Technology Beijing Normal University Xi'an Jiaotong University Yale University China Institute of Atomic Energy Shandong University Guangxi University Virginia Tech National Yang Ming Chiao Tung University University of Cincinnati Temple University Dongguan University of Technology University of California, Berkeley University of Hong Kong Nankai University Shanghai Jiao Tong University Institute of Particle Physics Princeton University California Institute of Technology William & Mary Williams (United States)Nanjing University China General Nuclear Power Corporation (China)National University of Defense Technology Iowa State University Chongqing University

Une affiliation ne permet pas de déduire la nationalité d’un auteur.

Les sujets associés

Neutrino Physics ResearchAstrophysics and Cosmic PhenomenaParticle physics theoretical and experimental studies

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