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

来源：

PHYSICAL REVIEW LETTERS | 2024年 / 133卷 / 19期

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.

引用

页数：11

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