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

E Aprile¹, J Aalbers², K Abe³, S Ahmed Maouloud⁴, L Althueser⁵, B Andrieu⁴, E Angelino^{6

7}, D Antón Martin⁸, F Arneodo⁹, L Baudis¹⁰, M Bazyk¹¹, L Bellagamba¹², R Biondi¹³, A Bismark¹⁰, K Boese¹³, A Brown¹⁴, G Bruno¹¹, R Budnik¹⁵, C Cai¹⁶, C Capelli¹⁰, J M R Cardoso¹⁷, A P Cimental Chávez¹⁰, A P Colijn¹⁸, J Conrad¹⁹, J J Cuenca-García¹⁰, V D'Andrea⁷, L C Daniel Garcia⁴, M P Decowski¹⁸, A Deisting²⁰, C Di Donato^{7

21}, P Di Gangi¹², S Diglio¹¹, K Eitel²², A Elykov²², A D Ferella^{7

21}, C Ferrari⁷, H Fischer¹⁴, T Flehmke¹⁹, M Flierman¹⁸, W Fulgione^{6

7}, C Fuselli¹⁸, P Gaemers¹⁸, R Gaior⁴, M Galloway¹⁰, F Gao¹⁶, S Ghosh²³, R Giacomobono²⁴, R Glade-Beucke¹⁴, L Grandi⁸, J Grigat¹⁴, H Guan²³, M Guida¹³, P Gyorgy²⁰, R Hammann¹³, A Higuera²⁵, C Hils²⁰, L Hoetzsch¹³, N F Hood²⁶, M Iacovacci²⁴, Y Itow²⁷, J Jakob⁵, F Joerg^{10

13}, Y Kaminaga³, M Kara²², P Kavrigin¹⁵, S Kazama²⁷, M Kobayashi²⁷, D Koke⁵, A Kopec²⁶, F Kuger¹⁴, H Landsman¹⁵, R F Lang²³, L Levinson¹⁵, I Li²⁵, S Li²⁸, S Liang²⁵, Y-T Lin¹³, S Lindemann¹⁴, M Lindner¹³, K Liu¹⁶, M Liu^{1

16}, J Loizeau¹¹, F Lombardi²⁰, J Long⁸, J A M Lopes¹⁷, T Luce¹⁴, Y Ma²⁶, C Macolino^{7

21}, J Mahlstedt¹⁹, A Mancuso¹², L Manenti⁹, F Marignetti²⁴, T Marrodán Undagoitia¹³, K Martens³, J Masbou¹¹, E Masson⁴, S Mastroianni²⁴, A Melchiorre^{7

21}, J Merz²⁰, M Messina⁷, A Michael⁵, K Miuchi²⁹, A Molinario⁶, S Moriyama³, K Morå¹, Y Mosbacher¹⁵, M Murra¹, J Müller¹⁴, K Ni²⁶, U Oberlack²⁰, B Paetsch¹⁵, Y Pan⁴, Q Pellegrini⁴, R Peres¹⁰, C Peters²⁵, J Pienaar^{8

15}, M Pierre¹⁸, G Plante¹, T R Pollmann¹⁸, L Principe¹¹, J Qi²⁶, J Qin²⁵, D Ramírez García¹⁰, M Rajado¹⁰, R Singh²³, L Sanchez²⁵, J M F Dos Santos¹⁷, I Sarnoff⁹, G Sartorelli¹², J Schreiner¹³, P Schulte⁵, H Schulze Eißing⁵, M Schumann¹⁴, L Scotto Lavina⁴, M Selvi¹², F Semeria¹², P Shagin²⁰, S Shi¹, J Shi¹⁶, M Silva¹⁷, H Simgen¹³, A Takeda³, P-L Tan¹⁹, D Thers¹¹, F Toschi²², G Trinchero⁶, C D Tunnell²⁵, F Tönnies¹⁴, K Valerius²², S Vecchi³⁰, S Vetter²², F I Villazon Solar²⁰, G Volta¹³, C Weinheimer⁵, M Weiss¹⁵, D Wenz⁵, C Wittweg¹⁰, V H S Wu²², Y Xing¹¹, D Xu¹, Z Xu¹, M Yamashita³, L Yang²⁶, J Ye³¹, L Yuan⁸, G Zavattini³⁰, M Zhong²⁶; XENON Collaboration

Affiliations

¹ Physics Department, Columbia University, New York, New York 10027, USA.
² Nikhef and the University of Groningen, Van Swinderen Institute, 9747AG Groningen, Netherlands.
³ Kamioka Observatory, Institute for Cosmic Ray Research, and Kavli Institute for the Physics and Mathematics of the Universe (WPI), University of Tokyo, Higashi-Mozumi, Kamioka, Hida, Gifu 506-1205, Japan.
⁴ LPNHE, Sorbonne Université, CNRS/IN2P3, 75005 Paris, France.
⁵ Institut für Kernphysik, University of Münster, 48149 Münster, Germany.
⁶ INAF-Astrophysical Observatory of Torino, Department of Physics, University of Torino and INFN-Torino, 10125 Torino, Italy.
⁷ INFN-Laboratori Nazionali del Gran Sasso and Gran Sasso Science Institute, 67100 L'Aquila, Italy.
⁸ Department of Physics, Enrico Fermi Institute and Kavli Institute for Cosmological Physics, University of Chicago, Chicago, Illinois 60637, USA.
⁹ New York University Abu Dhabi - Center for Astro, Particle and Planetary Physics, Abu Dhabi, United Arab Emirates.
¹⁰ Physik-Institut, University of Zürich, 8057 Zürich, Switzerland.
¹¹ SUBATECH, IMT Atlantique, CNRS/IN2P3, Université de Nantes, Nantes 44307, France.
¹² Department of Physics and Astronomy, University of Bologna and INFN-Bologna, 40126 Bologna, Italy.
¹³ Max-Planck-Institut für Kernphysik, 69117 Heidelberg, Germany.
¹⁴ Physikalisches Institut, Universität Freiburg, 79104 Freiburg, Germany.
¹⁵ Department of Particle Physics and Astrophysics, Weizmann Institute of Science, Rehovot 7610001, Israel.
¹⁶ Department of Physics and Center for High Energy Physics, <a href="https://ror.org/03cve4549">Tsinghua University</a>, Beijing 100084, People's Republic of China.
¹⁷ LIBPhys, Department of Physics, University of Coimbra, 3004-516 Coimbra, Portugal.
¹⁸ Nikhef and the University of Amsterdam, Science Park, 1098XG Amsterdam, Netherlands.
¹⁹ Oskar Klein Centre, Department of Physics, Stockholm University, AlbaNova, Stockholm SE-10691, Sweden.
²⁰ Institut für Physik and Exzellenzcluster PRISMA<sup>+</sup>, Johannes Gutenberg-Universität Mainz, 55099 Mainz, Germany.
²¹ Department of Physics and Chemistry, University of L'Aquila, 67100 L'Aquila, Italy.
²² Institute for Astroparticle Physics, Karlsruhe Institute of Technology, 76021 Karlsruhe, Germany.
²³ Department of Physics and Astronomy, Purdue University, West Lafayette, Indiana 47907, USA.
²⁴ Department of Physics "Ettore Pancini", University of Napoli and INFN-Napoli, 80126 Napoli, Italy.
²⁵ Department of Physics and Astronomy, Rice University, Houston, Texas 77005, USA.
²⁶ Department of Physics, University of California San Diego, La Jolla, California 92093, USA.
²⁷ Kobayashi-Maskawa Institute for the Origin of Particles and the Universe, and Institute for Space-Earth Environmental Research, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8602, Japan.
²⁸ Department of Physics, School of Science, Westlake University, Hangzhou 310030, People's Republic of China.
²⁹ Department of Physics, Kobe University, Kobe, Hyogo 657-8501, Japan.
³⁰ INFN-Ferrara and Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, 44122 Ferrara, Italy.
³¹ School of Science and Engineering, The Chinese University of Hong Kong (Shenzhen), Shenzhen, Guangdong, 518172, People's Republic of China.

PMID: 39576901
DOI: 10.1103/PhysRevLett.133.191002

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

E Aprile et al. Phys Rev Lett. 2024.

. 2024 Nov 8;133(19):191002.

doi: 10.1103/PhysRevLett.133.191002.

Authors

Affiliations

¹ Physics Department, Columbia University, New York, New York 10027, USA.
² Nikhef and the University of Groningen, Van Swinderen Institute, 9747AG Groningen, Netherlands.
³ Kamioka Observatory, Institute for Cosmic Ray Research, and Kavli Institute for the Physics and Mathematics of the Universe (WPI), University of Tokyo, Higashi-Mozumi, Kamioka, Hida, Gifu 506-1205, Japan.
⁴ LPNHE, Sorbonne Université, CNRS/IN2P3, 75005 Paris, France.
⁵ Institut für Kernphysik, University of Münster, 48149 Münster, Germany.
⁶ INAF-Astrophysical Observatory of Torino, Department of Physics, University of Torino and INFN-Torino, 10125 Torino, Italy.
⁷ INFN-Laboratori Nazionali del Gran Sasso and Gran Sasso Science Institute, 67100 L'Aquila, Italy.
⁸ Department of Physics, Enrico Fermi Institute and Kavli Institute for Cosmological Physics, University of Chicago, Chicago, Illinois 60637, USA.
⁹ New York University Abu Dhabi - Center for Astro, Particle and Planetary Physics, Abu Dhabi, United Arab Emirates.
¹⁰ Physik-Institut, University of Zürich, 8057 Zürich, Switzerland.
¹¹ SUBATECH, IMT Atlantique, CNRS/IN2P3, Université de Nantes, Nantes 44307, France.
¹² Department of Physics and Astronomy, University of Bologna and INFN-Bologna, 40126 Bologna, Italy.
¹³ Max-Planck-Institut für Kernphysik, 69117 Heidelberg, Germany.
¹⁴ Physikalisches Institut, Universität Freiburg, 79104 Freiburg, Germany.
¹⁵ Department of Particle Physics and Astrophysics, Weizmann Institute of Science, Rehovot 7610001, Israel.
¹⁶ Department of Physics and Center for High Energy Physics, <a href="https://ror.org/03cve4549">Tsinghua University</a>, Beijing 100084, People's Republic of China.
¹⁷ LIBPhys, Department of Physics, University of Coimbra, 3004-516 Coimbra, Portugal.
¹⁸ Nikhef and the University of Amsterdam, Science Park, 1098XG Amsterdam, Netherlands.
¹⁹ Oskar Klein Centre, Department of Physics, Stockholm University, AlbaNova, Stockholm SE-10691, Sweden.
²⁰ Institut für Physik and Exzellenzcluster PRISMA<sup>+</sup>, Johannes Gutenberg-Universität Mainz, 55099 Mainz, Germany.
²¹ Department of Physics and Chemistry, University of L'Aquila, 67100 L'Aquila, Italy.
²² Institute for Astroparticle Physics, Karlsruhe Institute of Technology, 76021 Karlsruhe, Germany.
²³ Department of Physics and Astronomy, Purdue University, West Lafayette, Indiana 47907, USA.
²⁴ Department of Physics "Ettore Pancini", University of Napoli and INFN-Napoli, 80126 Napoli, Italy.
²⁵ Department of Physics and Astronomy, Rice University, Houston, Texas 77005, USA.
²⁶ Department of Physics, University of California San Diego, La Jolla, California 92093, USA.
²⁷ Kobayashi-Maskawa Institute for the Origin of Particles and the Universe, and Institute for Space-Earth Environmental Research, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8602, Japan.
²⁸ Department of Physics, School of Science, Westlake University, Hangzhou 310030, People's Republic of China.
²⁹ Department of Physics, Kobe University, Kobe, Hyogo 657-8501, Japan.
³⁰ INFN-Ferrara and Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, 44122 Ferrara, Italy.
³¹ School of Science and Engineering, The Chinese University of Hong Kong (Shenzhen), Shenzhen, Guangdong, 518172, People's Republic of China.

PMID: 39576901
DOI: 10.1103/PhysRevLett.133.191002

Abstract

We present the first measurement of nuclear recoils from solar ^{8}B 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×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 2.73σ. The measured ^{8}B solar neutrino flux of (4.7_{-2.3}^{+3.6})×10^{6} cm^{-2} s^{-1} is consistent with results from the Sudbury Neutrino Observatory. The measured neutrino flux-weighted CEνNS cross section on Xe of (1.1_{-0.5}^{+0.8})×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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First Indication of Solar ^{8}B Neutrinos via Coherent Elastic Neutrino-Nucleus Scattering with XENONnT

Affiliations

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

Authors

Affiliations

Abstract

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