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arxiv: 2012.02846 · v2 · pith:H3BN4BWRnew · submitted 2020-12-04 · ✦ hep-ex

Search for Coherent Elastic Scattering of Solar ⁸B Neutrinos in the XENON1T Dark Matter Experiment

E. Aprile , J. Aalbers , F. Agostini , S. Ahmed Maouloud , M. Alfonsi , L. Althueser , F. D. Amaro , S. Andaloro
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V. C. Antochi E. Angelino J. R. Angevaare F. Arneodo L. Baudis B. Bauermeister L. Bellagamba M. L. Benabderrahmane A. Brown E. Brown S. Bruenner G. Bruno R. Budnik C. Capelli J. M. R. Cardoso D. Cichon B. Cimmino M. Clark D. Coderre A. P. Colijn J. Conrad J. Cuenca J. P. Cussonneau M. P. Decowski A. Depoian P. Di Gangi A. Di Giovanni R. Di Stefano S. Diglio A. Elykov A. D. Ferella W. Fulgione P. Gaemers R. Gaior M. Galloway F. Gao L. Grandi C. Hils K. Hiraide L. Hoetzsch J. Howlett M. Iacovacci Y. Itow F. Joerg N. Kato S. Kazama M. Kobayashi G. Koltman A. Kopec H. Landsman R. F. Lang L. Levinson S. Liang S. Lindemann M. Lindner F. Lombardi J. Long J. A. M. Lopes Y. Ma C. Macolino J. Mahlstedt A. Mancuso L. Manenti A. Manfredini F. Marignetti T. Marrod\'an Undagoitia K. Martens J. Masbou D. Masson S. Mastroianni M. Messina K. Miuchi K. Mizukoshi A. Molinario K. Mor{\aa} S. Moriyama Y. Mosbacher M. Murra J. Naganoma K. Ni U. Oberlack K. Odgers J. Palacio B. Pelssers R. Peres M. Pierre J. Pienaar V. Pizzella G. Plante J. Qi J. Qin D. Ram\'irez Garc\'ia S. Reichard A. Rocchetti N. Rupp J. M. F. dos Santos G. Sartorelli J. Schreiner D. Schulte H. Schulze Ei{\ss}ing M. Schumann L. Scotto Lavina M. Selvi F. Semeria P. Shagin E. Shockley M. Silva H. Simgen A. Takeda C. Therreau D. Thers F. Toschi G. Trinchero C. Tunnell K. Valerius M. Vargas G. Volta Y. Wei C. Weinheimer M. Weiss D. Wenz C. Wittweg T. Wolf Z. Xu M. Yamashita J. Ye G. Zavattini Y. Zhang T. Zhu J. P. Zopounidis
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classification ✦ hep-ex
keywords darkneutrinossolarinteractionsmatternuclearscatteringsearch
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We report on a search for nuclear recoil signals from solar $^8$B neutrinos elastically scattering off xenon nuclei in XENON1T data, lowering the energy threshold from 2.6 keV to 1.6 keV. We develop a variety of novel techniques to limit the resulting increase in backgrounds near the threshold. No significant $^8$B neutrino-like excess is found in an exposure of 0.6 t $\times$ y. For the first time, we use the non-detection of solar neutrinos to constrain the light yield from 1-2 keV nuclear recoils in liquid xenon, as well as non-standard neutrino-quark interactions. Finally, we improve upon world-leading constraints on dark matter-nucleus interactions for dark matter masses between 3 GeV/c$^2$ and 11 GeV/c$^2$ by as much as an order of magnitude.

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