Improved geoneutrinos observation with Borexino detector

Proceedings of The European Physical Society Conference on High Energy Physics — PoS(EPS-HEP2021) Pub Date : 2022-03-14 DOI:10.22323/1.398.0230

D. Basilico, M. Agostini, K. Altenmuller, S. Appel, V. Atroshchenko, Z. Bagdasarian, G. Bellini, J. Benziger, R. Biondi, D. Bravo, B. Caccianiga, F. Calaprice, A. Caminata, P. Cavalcante, A. Chepurnov, D. D’Angelo, S. Davini, A. Derbin, A. Di Giacinto, V. Di Marcello, X. Ding, A. Di Ludovico, L. Di noto, I. Drachnev, A. Formozov, D. Franco, C. Galbiati, C. Ghiano, M. Giammarchi, A. Goretti, A. Gottel, M. Gromov, D. Guffanti, A. Ianni, A. Ianni, A. Jany, D. Jeschke, V. Kobychev, G. Korga, S. Kumaran, M. Laubenstein, E. Litvinovich, P. Lombardi, I. Lomskaya, L. Ludhova, G. Lukyanchenko, L. Lukyanchenko, I. Machulin, J. Martyn, E. Meroni, M. Meyer, L. Miramonti, M. Misiaszek, V. Muratova, B. Neumair, M. Nieslony, R. Nugmanov, L. Oberauer, V. Orekhov, F. Ortica, M. Pallavicini, L. Papp, L. Pelicci, O. Penek, L. Pietrofaccia, N. Pilipenko, A. Pocar, G. Raikov, M. Ranalli, G. Ranucci, A. Razeto, A. Re, M. Redchuk, A. Romani, N. Rossi, S. Schönert, D. Semenov, G. Settanta, M. Skorokhvatov, A. Singhal, O. Smirnov

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Abstract

The comprehensive geo-neutrinos measurement using the Borexino detector, published in Ref. [1], is briefly presented and discussed. Borexino is an ultrapure liquid scintillator detector located at the Gran Sasso National Laboratory in Italy, whose primary scientific goal is the real-time spectroscopy of low energy solar neutrinos. So far, Borexino is the only experiment to achieve an evidence for geo-neutrinos existence beyond a 5f significance level. In the following, the geo-neutrinos analysis from 3262.74 days data-taking between December 2007 and April 2019, the improved analysis techniques and optimized data selection, and the implications from the geological point of view will be discussed.

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用Borexino探测器改进地球中微子观测

本文简要介绍和讨论了发表在参考文献[1]上的利用Borexino探测器进行的地球中微子综合测量。Borexino是位于意大利格兰萨索国家实验室的超纯液体闪烁体探测器，其主要科学目标是低能太阳中微子的实时光谱。到目前为止，Borexino是唯一一个获得超过5f显著性水平的地球中微子存在证据的实验。本文将对2007年12月至2019年4月期间3262.74天的地球中微子数据进行分析，分析技术的改进和数据选择的优化，以及从地质学角度的影响进行讨论。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Proceedings of The European Physical Society Conference on High Energy Physics — PoS(EPS-HEP2021)

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