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Arpesella C, Back HO, Balata M, Bellini G, Benziger J, Bonetti S, Brigatti A, Caccianiga B, Cadonati L, Calaprice F, Carraro C, Cecchet G, Chavarria A, Chen M, Dalnoki-Veress F, D'Angelo D, de Bari A, de Bellefon A, de Kerret H, Derbin A, Deutsch M, di Credico A, di Pietro G, Eisenstein R, Elisei F, Etenko A, Fernholz R, Fomenko K, Ford R, Franco D, Freudiger B, Galbiati C, Gatti F, Gazzana S, Giammarchi M, Giugni D, Goeger-Neff M, Goldbrunner T, Goretti A, Grieb C, Hagner C, Hampel W, Harding E, Hardy S, Hartman FX, Hertrich T, Heusser G, Ianni A, Ianni A, 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, Miramonti L, Misiaszek M, Montanari D, Monzani ME, Muratova V, Musico P, Neder H, Nelson A, Niedermeier L, Oberauer L, Obolensky M, Orsini M, Ortica F, Pallavicini M, Papp L, Parmeggiano S, Perasso L, Pocar A, Raghavan RS, 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, Sonnenschein A, Sotnikov A, Sukhotin S, Suvorov Y, Tartaglia R, Testera G, Vignaud D, Vitale S, Vogelaar RB, von Feilitzsch F, von Hentig R, von Hentig T, Wojcik M, Wurm M, Zaimidoroga O, Zavatarelli S, Zuzel G. Direct measurement of the 7Be solar neutrino flux with 192 days of borexino data. Phys Rev Lett 2008; 101:091302. [PMID: 18851600 DOI: 10.1103/physrevlett.101.091302] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2008] [Indexed: 05/26/2023]
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 nu(e) 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 nu(e), and the limit on the effective neutrino magnetic moment using solar neutrinos.
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Affiliation(s)
- C Arpesella
- INFN Laboratori Nazionali del Gran Sasso, SS 17 bis Km 18+910, 67010 Assergi (AQ), Italy
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Shvyd'ko YV, Hertrich T, Gerdau E, Leupold O, Metge J, Rüter HD, Schwendy S, Smirnov GV, Potzel W, Schindelmann P. Storage of Nuclear Excitation Energy through Magnetic Switching. Phys Rev Lett 1996; 77:3232-3235. [PMID: 10062167 DOI: 10.1103/physrevlett.77.3232] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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