New results on solar neutrino fluxes from 192 days of Borexino data

di Credico, A.; di Pietro, G.; Galbiati, C.; Arpesella, C.; Göger-Neff, M.; Back, H. O.; De Bari, A.; Balata, M.; De Bellefon, A.; Bellini, G.; Benziger, J.; De Kerret, H.; Bonetti, S.; Brigatti, A.; D 'angelo, D.; Caccianiga, B.; Cadonati, L.; Calaprice, F.; Carraro, C.; Dalnoki-Veress, F.; Cecchet, G.; D'Angelo, D.; Chavarria, A.; Kerret, H. de; Chen, M.; Derbin, A.; Deutsch, M.; Bari, A. de; Credico, A. di; Bellefon, A. de; Pietro, G. di; Eisenstein, R.; Elisei, F.; Etenko, A.; Fernholz, R.; Fomenko, K.; Ford, R.; Franco, D.; Freudiger, B.; Gatti, F.; Gazzana, S.; Giammarchi, M.; Giugni, D.; Goeger-Neff, M.; Goldbrunner, T.; X. Hartman, F.; Goretti, A.; Grieb, C.; Hagner, C.; Hampel, W.; Harding, E.; Hardy, S.; Hartman, F. X.; Hertrich, T.; Heusser, G.; Ianni, Aldo; Ianni, Andrea; Joyce, M.; Kiko, J.; Kirsten, T.; Kobychev, V.; Korga, G.; Korschinek, G.; Kryn, D.; Lagomarsino, V.; Lamarche, P.; Laubenstein, M.; Lendvai, C.; Leung, M.; Lewke, T.; Litvinovich, E.; Loer, B.; Lombardi, P.; Ludhova, L.; Machulin, I.; Malvezzi, S.; Manecki, S.; Maneira, J.; Maneschg, W.; Manno, I.; Manuzio, D.; Manuzio, G.; Martemianov, A.; Masetti, F.; Mazzucato, U.; McCarty, K.; McKinsey, D.; Meindl, Q.; Meroni, E.; E. Monzani, M.; Miramonti, L.; Misiaszek, M.; Montanari, D.; Monzani, M. E.; Muratova, V.; Musico, P.; Neder, H.; Nelson, A.; Niedermeier, L.; Oberauer, L.; Obolensky, M.; Orsini, M.; Ortica, F.; Pallavicini, M.; S. Raghavan, R.; Papp, L.; Parmeggiano, S.; Perasso, L.; Pocar, A.; Raghavan, R. S.; Ranucci, G.; Rau, W.; Razeto, A.; Resconi, E.; Risso, P.; Romani, A.; Rountree, D.; Sabelnikov, A.; Saldanha, R.; Salvo, C.; Schimizzi, D.; Schönert, S.; Shutt, T.; Simgen, H.; Skorokhvatov, M.; Smirnov, O.; Von Feilitzsch, F.; Sonnenschein, A.; Sotnikov, A.; Sukhotin, S.; Suvorov, Y.; Von Hentig, R.; Tartaglia, R.; Testera, G.; Vignaud, D.; Feilitzsch, F. von; Vitale, S.; Vogelaar, R. B.; Hentig, R. von; Hentig, T. von; Von Hentig, T.; Wojcik, M.; Wurm, M.; Zaimidoroga, O.; Zavatarelli, S.; B. Vogelaar, R.; Zuzel, G.; Collaboration, Borexino

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IOP Publishing, Journal of Physics: Conference Series, 2(136), p. 022001, 2008

DOI: 10.1088/1742-6596/136/2/022001

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New results on solar neutrino fluxes from 192 days of Borexino data

Journal article published in 2008 by A. di Credico, G. di Pietro, C. Galbiati, C. Arpesella, M. Göger-Neff, H. O. Back, A. De Bari, M. Balata, A. De Bellefon, G. Bellini, J. Benziger, H. De Kerret, S. Bonetti, A. Brigatti, D. D 'angelo and other authors.

This paper is made freely available by the publisher.

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Abstract

We report the direct measurement of the 7Be solar neutrino signal rate performed with the Borexino detector at the Laboratori Nazionali del Gran Sasso. The interaction rate of the 0.862 MeV 7Be neutrinos is 49±3stat±4syst counts/(day·100 ton). The hypothesis of no oscillation for 7Be solar neutrinos is inconsistent with our measurement at the 4sigma C.L. Our result is the first direct measurement of the survival probability for solar nue in the transition region between matter-enhanced and vacuum-driven oscillations. The measurement improves the experimental determination of the flux of 7Be, pp, and CNO solar nue, and the limit on the effective neutrino magnetic moment using solar neutrinos.

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New results on solar neutrino fluxes from 192 days of Borexino data

Abstract