First Indication of Solar 8B Neutrinos via Coherent Elastic Neutrino-Nucleus Scattering with XENONnT

被引:7
|
作者
Aprile, E. [1 ]
Aalbers, J. [2 ,3 ]
Abe, K. [4 ,5 ]
Maouloud, S. Ahmed [6 ]
Althueser, L. [7 ]
Andrieu, B. [6 ]
Angelino, E. [8 ,9 ,10 ,11 ]
Martin, D. Anton [12 ,13 ]
Arneodo, F. [14 ]
Baudis, L. [15 ]
Bazyk, M. [16 ]
Bellagamba, L. [17 ,18 ]
Biondi, R. [19 ]
Bismark, A. [15 ,21 ]
Boese, K. [19 ]
Brown, A. [20 ]
Bruno, G. [16 ]
Budnik, R. [21 ]
Cai, C. [22 ,23 ]
Capelli, C. [15 ]
Cardoso, J. M. R. [24 ]
Chavez, A. P. Cimental [15 ]
Colijn, A. P. [25 ,26 ]
Conrad, J. [27 ]
Cuenca-Garcia, J. J. [15 ]
D'Andrea, V. [10 ,11 ,44 ]
Garcia, L. C. Daniel [6 ]
Decowski, M. P. [25 ,26 ]
Deisting, A. [28 ,29 ]
Di Donato, C. [10 ,11 ,30 ]
Di Gangi, P. [17 ,18 ]
Diglio, S. [16 ]
Eitel, K. [31 ]
Elykov, A. [31 ]
Ferella, A. D. [10 ,11 ,30 ]
Ferrari, C. [10 ,11 ]
Fischer, H. [20 ]
Flehmke, T. [27 ]
Flierman, M. [25 ,26 ]
Fulgione, W. [8 ,9 ,10 ,11 ]
Fuselli, C. [25 ,26 ]
Gaemers, P. [25 ,26 ]
Gaior, R. [6 ]
Galloway, M. [15 ]
Gao, F. [22 ,23 ]
Ghosh, S. [32 ]
Giacomobono, R. [33 ,34 ]
Glade-Beucke, R. [20 ]
Grandi, L. [12 ,13 ]
Grigat, J. [20 ]
机构
[1] Columbia Univ, Dept Phys, New York, NY 10027 USA
[2] Nikhef, Van Swinderen Inst, NL-9747 AG Groningen, Netherlands
[3] Univ Groningen, Van Swinderen Inst, NL-9747 AG Groningen, Netherlands
[4] Univ Tokyo, Kamioka Observ, Inst Cosm Ray Res, Hida, Gifu 5061205, Japan
[5] Univ Tokyo, Kavli Inst Phys & Math Universe WPI, Hida, Gifu 5061205, Japan
[6] Sorbonne Univ, CNRS, IN2P3, LPNHE, F-75005 Paris, France
[7] Univ Munster, Inst Kernphys, D-48149 Munster, Germany
[8] Univ Torino, INAF Astrophys Observ Torino, Dept Phys, I-10125 Turin, Italy
[9] INFN Torino, I-10125 Turin, Italy
[10] Ist Nazl Fis Nucl, Lab Nazl Gran Sasso, I-67100 Laquila, Italy
[11] Ist Nazl Fis Nucl, Gran Sasso Sci Inst, I-67100 Laquila, Italy
[12] Univ Chicago, Dept Phys, Enrico Fermi Inst, Chicago, IL 60637 USA
[13] Univ Chicago, Kavli Inst Cosmol Phys, Chicago, IL 60637 USA
[14] New York Univ Abu Dhabi, Ctr Astro Particle & Planetary Phys, Abu Dhabi, U Arab Emirates
[15] Univ Zurich, Inst Phys, CH-8057 Zurich, Switzerland
[16] Univ Nantes, IMT Atlantique, SUBATECH, CNRS,IN2P3, F-44307 Nantes, France
[17] Univ Bologna, Dept Phys & Astron, I-40126 Bologna, Italy
[18] INFN Bologna, I-40126 Bologna, Italy
[19] Max Planck Inst Kernphys, D-69117 Heidelberg, Germany
[20] Univ Freiburg, Inst Phys, D-79104 Freiburg, Germany
[21] Weizmann Inst Sci, Dept Particle Phys & Astrophys, IL-7610001 Rehovot, Israel
[22] Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China
[23] Tsinghua Univ, Ctr High Energy Phys, Beijing 100084, Peoples R China
[24] Univ Coimbra, Dept Phys, LIBPhys, P-3004516 Coimbra, Portugal
[25] Nikhef, Sci Pk, NL-1098 XG Amsterdam, Netherlands
[26] Univ Amsterdam, Sci Pk, NL-1098 XG Amsterdam, Netherlands
[27] Stockholm Univ, Dept Phys, Oskar Klein Ctr, AlbaNova, SE-10691 Stockholm, Sweden
[28] Johannes Gutenberg Univ Mainz, Inst Phy, D-55099 Mainz, Germany
[29] Johannes Gutenberg Univ Mainz, Exzellenzcluster PRISMA, D-55099 Mainz, Germany
[30] Univ Aquila, Dept Chem & Phys, I-67100 Laquila, Italy
[31] Karlsruhe Inst Technol, Inst Astroparticle Phys, D-76021 Karlsruhe, Germany
[32] Purdue Univ, Dept Phys & Astron, W Lafayette, IN 47907 USA
[33] Univ Napoli, Dept Phys Ettore Pancini, I-80126 Naples, Italy
[34] INFN Napoli, I-80126 Naples, Italy
[35] Rice Univ, Dept Phys & Astron, Houston, TX 77005 USA
[36] Univ Calif San Diego, Dept Phys, La Jolla, CA 92093 USA
[37] Nagoya Univ, Kobayashi Maskawa Inst Origin Particles & Univers, Furo Cho,Chikusa Ku, Nagoya, Aichi 4648602, Japan
[38] Nagoya Univ, Inst Space Earth Environm Res, Furo Cho,Chikusa Ku, Nagoya, Aichi 4648602, Japan
[39] Westlake Univ, Sch Sci, Dept Phys, Hangzhou 310030, Peoples R China
[40] Kobe Univ, Dept Phys, Kobe, Hyogo 6578501, Japan
[41] INFN Ferrara, I-44122 Ferrara, Italy
[42] Univ Ferrara, Dipartimento Fis & Sci Terra, I-44122 Ferrara, Italy
[43] Chinese Univ Hong Kong Shenzhen, Sch Sci & Engn, Shenzhen 518172, Guangdong, Peoples R China
[44] INFN Roma Tre, I-00146 Rome, Italy
[45] Bucknell Univ, Dept Phys & Astron, Lewisburg, PA USA
[46] Coimbra Polytech ISEC, P-3030199 Coimbra, Portugal
基金
荷兰研究理事会; 美国国家科学基金会; 瑞士国家科学基金会;
关键词
D O I
10.1103/PhysRevLett.133.191002
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We present the first measurement of nuclear recoils from solar B-8 neutrinos via coherent elastic neutrino-nucleus scattering with the XENONnT dark matter experiment. The central detector of XENONnT is a low-background, two-phase time projection chamber with a 5.9 t sensitive liquid xenon target. A blind analysis with an exposure of 3.51 t x yr resulted in 37 observed events above 0.5 keV, with (26.4(-1.3)(+1.)4) events expected from backgrounds. The background-only hypothesis is rejected with a statistical significance of 2.73 sigma. The measured B-8 solar neutrino flux of (4.7(-2.3)(+3.6)) x 10(6) cm(-2) s(-1) is consistent with results from the Sudbury Neutrino Observatory. The measured neutrino flux-weighted CE nu NS cross section on Xe of (1.1(-0.5)(+0.8)) x 10(-39) cm(2) is consistent with the Standard Model prediction. This is the first direct measurement of nuclear recoils from solar neutrinos with a dark matter detector.
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页数:11
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