Update of the results on solar neutrino physics exploiting the most recent Borexino data

Rossi, Nicola; Appel, S.; Bagdasarian, Z.; Basilico, D.; Bellini, G.; Benziger, J.; Biondi, R.; Caccianiga, B.; Calaprice, F.; Caminata, A.; Chepurnov, A. S.; D’Angelo, D.; Derbin, A.; Di Giacinto, A.; Di Marcello, V.; Ding, X.F.; Di Ludovico, A.; Di Noto, L.; Drachnev, I.; Franco, D.; Galbiati, C.; Ghiano, C.; Giammarchi, M.; Goretti, A.; Goettel, A.S.; Gromov, M.; Guffanti, D.; Ianni, Aldo; Ianni, Andrea; Jany, A.; Kobychev, V.; Korga, G.; Kumaran, S.; Laubenstein, M.; Litvinovich, E.; Lombardi, P.; Lomskaya, I.; Ludhova, Livia; Lukyanchenko, G.; Machulin, I.; Martyn, J.; Meroni, E.; Miramonti, L.; Misiaszek, M.; Muratova, V.; Nugmanov, R.; Oberauer, L.; Orekhov, V.; Ortica, F.; Pallavicini, M.; Pelicci, L.; Penek, Ö.; Pietrofaccia, L.; Pilipenko, N.; Pocar, A.; Raikov, G.; Ranalli, M.T.; Ranucci, G.; Razeto, A.; Re, A.; Redchuk, M.; Schoenert, S.; Semenov, D.; Settanta, G.; Skorokhvatov, M.; Singhal, A.; Smirnov, O.; Sotnikov, A.; Tartaglia, R.; Testera, G.; Unzhakov, E.; Vishneva, A.; Vogelaar, R.B.; von Feilitzsch, F.; Wojcik, M.; Wurm, M.; Zavatarelli, S.; Zuber, K.; Zuzel, G.; On behalf of the Borexino Collaboration,

doi:10.22323/1.421.0009

Volume 421 - Neutrino Oscillation Workshop (NOW2022) - Session I. Oscillation parameters: present

Update of the results on solar neutrino physics exploiting the most recent Borexino data

N. Rossi*, S. Appel, Z. Bagdasarian, D. Basilico, G. Bellini, J. Benziger, R. Biondi, B. Caccianiga, F. Calaprice, A. Caminata, A.S. Chepurnov, D. D’Angelo, A. Derbin, A. Di Giacinto, V. Di Marcello, X.F. Ding, A. Di Ludovico, L. Di Noto, I. Drachnev, D. Franco, C. Galbiati, C. Ghiano, M. Giammarchi, A. Goretti, A.S. Goettel, M. Gromov, D. Guffanti, A. Ianni, A. Ianni, A. Jany, V. Kobychev, G. Korga, S. Kumaran, M. Laubenstein, E. Litvinovich, P. Lombardi, I. Lomskaya, L. Ludhova, G. Lukyanchenko, I. Machulin, J. Martyn, E. Meroni, L. Miramonti, M. Misiaszek, V. Muratova, R. Nugmanov, L. Oberauer, V. Orekhov, F. Ortica, M. Pallavicini, L. Pelicci, Ö. Penek, L. Pietrofaccia, N. Pilipenko, A. Pocar, G. Raikov, M.T. Ranalli, G. Ranucci, A. Razeto, A. Re, M. Redchuk, S. Schoenert, D. Semenov, G. Settanta, M. Skorokhvatov, A. Singhal, O. Smirnov, A. Sotnikov, R. Tartaglia, G. Testera, E. Unzhakov, A. Vishneva, R.B. Vogelaar, F. von Feilitzsch, M. Wojcik, M. Wurm, S. Zavatarelli, K. Zuber, G. Zuzel and On behalf of the Borexino Collaborationet al. (click to show)

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Published on: March 28, 2023

Abstract

The BOREXINO experiment concluded the data acquisition at the end of 2021. The analysis of the most recent data has produced an improvement of the precision and the significance of CNO neutrino detection (7$\sigma$) with important implication on the Sun's physical modelling. In addition, exploiting the annual modulation of the full data-set of the combined Phase-II and Phase-III, a 5$\sigma$ measurement of the Earth's orbit eccentricity, using solar neutrinos only, has been recently achieved. The latter result has been made possible by detector longstanding high-precision solar neutrino detection.

DOI: https://doi.org/10.22323/1.421.0009

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