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What potassium abundance in the Earth does the Borexino experiment admit?
- Authors: Bezrukov L.B.1, Karpikov I.S.1, Mezhokh A.K.1, Silaeva S.V.1, Sinev V.V.1
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Affiliations:
- Institute for Nuclear Research of the Russian Academy of Sciences
- Issue: Vol 87, No 7 (2023)
- Pages: 1042-1044
- Section: Articles
- URL: https://rjsvd.com/0367-6765/article/view/654365
- DOI: https://doi.org/10.31857/S0367676523701867
- EDN: https://elibrary.ru/OSZFLR
- ID: 654365
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Abstract
The results of analysis for the single events energy spectrum obtained in phase III of Borexino detector operation are considered. The experimental spectrum was fitted by a set of standard single events sources with the addition of events from potassium geo-antineutrinos (40K-geo-v) scattering on electrons. The addition of 40K-geo-v events makes it possible to improve the agreement of the experimental and fitted spectra. Experimental results indicate the presence of a significant amount of potassium in the Earth.
About the authors
L. B. Bezrukov
Institute for Nuclear Research of the Russian Academy of Sciences
Author for correspondence.
Email: bezrukov@inr.ac.ru
Russia, 117312, Moscow
I. S. Karpikov
Institute for Nuclear Research of the Russian Academy of Sciences
Email: bezrukov@inr.ac.ru
Russia, 117312, Moscow
A. K. Mezhokh
Institute for Nuclear Research of the Russian Academy of Sciences
Email: bezrukov@inr.ac.ru
Russia, 117312, Moscow
S. V. Silaeva
Institute for Nuclear Research of the Russian Academy of Sciences
Email: bezrukov@inr.ac.ru
Russia, 117312, Moscow
V. V. Sinev
Institute for Nuclear Research of the Russian Academy of Sciences
Email: bezrukov@inr.ac.ru
Russia, 117312, Moscow
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