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Article ; Online: Lifetimes of (214)Po and (212)Po measured with Counting Test Facility at Gran Sasso National Laboratory.

Miramonti, L / Bellini, G / Benziger, J / Bick, D / Bonfini, G / Bravo, D / Buizza Avanzini, M / Caccianiga, B / Cadonati, L / Calaprice, F / Carraro, C / Cavalcante, P / Chavarria, A / Chubakov, V / D'Angelo, D / Davini, S / Derbin, A / Etenko, A / Fomenko, K /

Franco, D / Galbiati, C / Gazzana, S / Ghiano, C / Giammarchi, M / Göger-Neff, M / Goretti, A / Grandi, L / Guardincerri, E / Hardy, S / Ianni, Aldo / Ianni, Andrea / Kobychev, V / Korablev, D / Korga, G / Koshio, Y / Kryn, D / Laubenstein, M / Lewke, T / Lissia, M / Litvinovich, E / Loer, B / Lombardi, F / Lombardi, P / Ludhova, L / Machulin, I / Manecki, S / Maneschg, W / Mantovani, F / Manuzio, G / Meindl, Q / Meroni, E / Misiaszek, M / Montanari, D / Mosteiro, P / Muratova, V / Nisi, S / Oberauer, L / Obolensky, M / Ortica, F / Otis, K / Pallavicini, M / Papp, L / Perasso, L / Perasso, S / Pocar, A / Ranucci, G / Razeto, A / Re, A / Romani, A / Rossi, N / Sabelnikov, A / Saldanha, R / Salvo, C / Schönert, S / Simgen, H / Skorokhvatov, M / Smirnov, O / Sotnikov, A / Sukhotin, S / Suvorov, Y / Tartaglia, R / Testera, G / Vignaud, D / Vogelaar, R B / von Feilitzsch, F / Winter, J / Wojcik, M / Wright, A / Wurm, M / Xhixha, G / Xu, J / Zaimidoroga, O / Zavatarelli, S / Zuzel, G

Journal of environmental radioactivity

2014 Volume 138, Page(s) 444–446

Abstract: The decays of (214)Po into (210)Pb and of (212)Po into (208)Pb tagged by the previous decays from (214)Bi and (212)Bi have been studied inserting quartz vials inside the Counting Test Facility (CTF) at the underground laboratory in Gran Sasso (LNGS). We ... ...

Abstract	The decays of (214)Po into (210)Pb and of (212)Po into (208)Pb tagged by the previous decays from (214)Bi and (212)Bi have been studied inserting quartz vials inside the Counting Test Facility (CTF) at the underground laboratory in Gran Sasso (LNGS). We find that the mean lifetime of (214)Po is (236.00 ± 0.42(stat) ± 0.15(syst)) μs and that of (212)Po is (425.1 ± 0.9(stat) ± 1.2(syst)) ns. Our results are compatible with previous measurements, have a much better signal to background ratio, and reduce the overall uncertainties.
MeSH term(s)	Alpha Particles ; Half-Life ; Laboratories ; Lead Radioisotopes/analysis ; Polonium/analysis ; Radiation Monitoring ; Radioactive Pollutants/analysis
Chemical Substances	Lead Radioisotopes ; Radioactive Pollutants ; Polonium (DQY03U61EJ)
Language	English
Publishing date	2014-12
Publishing country	England
Document type	Journal Article
ZDB-ID	1483112-0
ISSN	1879-1700 ; 0265-931X
ISSN (online)	1879-1700
ISSN	0265-931X
DOI	10.1016/j.jenvrad.2014.02.025
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: First evidence of pep solar neutrinos by direct detection in Borexino.

Bellini, G / Benziger, J / Bick, D / Bonetti, S / Bonfini, G / Bravo, D / Buizza Avanzini, M / Caccianiga, B / Cadonati, L / Calaprice, F / Carraro, C / Cavalcante, P / Chavarria, A / Chepurnov, A / D'Angelo, D / Davini, S / Derbin, A / Etenko, A / Fomenko, K /

Franco, D / Galbiati, C / Gazzana, S / Ghiano, C / Giammarchi, M / Goeger-Neff, M / Goretti, A / Grandi, L / Guardincerri, E / Hardy, S / Ianni, Aldo / Ianni, Andrea / Korablev, D / Korga, G / Koshio, Y / Kryn, D / Laubenstein, M / Lewke, T / Litvinovich, E / Loer, B / Lombardi, F / Lombardi, P / Ludhova, L / Machulin, I / Manecki, S / Maneschg, W / Manuzio, G / Meindl, Q / Meroni, E / Miramonti, L / Misiaszek, M / Montanari, D / Mosteiro, P / Muratova, V / Oberauer, L / Obolensky, M / Ortica, F / Otis, K / Pallavicini, M / Papp, L / Perasso, L / Perasso, S / Pocar, A / Quirk, J / Raghavan, R S / Ranucci, G / Razeto, A / Re, A / Romani, A / Sabelnikov, A / Saldanha, R / Salvo, C / Schönert, S / Simgen, H / Skorokhvatov, M / Smirnov, O / Sotnikov, A / Sukhotin, S / Suvorov, Y / Tartaglia, R / Testera, G / Vignaud, D / Vogelaar, R B / von Feilitzsch, F / Winter, J / Wojcik, M / Wright, A / Wurm, M / Xu, J / Zaimidoroga, O / Zavatarelli, S / Zuzel, G

Physical review letters

2012 Volume 108, Issue 5, Page(s) 51302

Abstract: We observed, for the first time, solar neutrinos in the 1.0-1.5 MeV energy range. We determined the rate of pep solar neutrino interactions in Borexino to be 3.1±0.6{stat}±0.3{syst} counts/(day·100 ton). Assuming the pep neutrino flux predicted by the ... ...

Abstract	We observed, for the first time, solar neutrinos in the 1.0-1.5 MeV energy range. We determined the rate of pep solar neutrino interactions in Borexino to be 3.1±0.6{stat}±0.3{syst} counts/(day·100 ton). Assuming the pep neutrino flux predicted by the standard solar model, we obtained a constraint on the CNO solar neutrino interaction rate of <7.9 counts/(day·100 ton) (95% C.L.). The absence of the solar neutrino signal is disfavored at 99.97% C.L., while the absence of the pep signal is disfavored at 98% C.L. The necessary sensitivity was achieved by adopting data analysis techniques for the rejection of cosmogenic {11}C, the dominant background in the 1-2 MeV region. Assuming the Mikheyev-Smirnov-Wolfenstein large mixing angle solution to solar neutrino oscillations, these values correspond to solar neutrino fluxes of (1.6±0.3)×10{8} cm{-2} s^{-1} and <7.7×10{8} cm{-2} s{-1} (95% C.L.), respectively, in agreement with both the high and low metallicity standard solar models. These results represent the first direct evidence of the pep neutrino signal and the strongest constraint of the CNO solar neutrino flux to date.
Language	English
Publishing date	2012-02-03
Publishing country	United States
Document type	Journal Article
ZDB-ID	208853-8
ISSN	1079-7114 ; 0031-9007
ISSN (online)	1079-7114
ISSN	0031-9007
DOI	10.1103/PhysRevLett.108.051302
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Precision measurement of the (7)Be solar neutrino interaction rate in Borexino.

Bellini, G / Benziger, J / Bick, D / Bonetti, S / Bonfini, G / Buizza Avanzini, M / Caccianiga, B / Cadonati, L / Calaprice, F / Carraro, C / Cavalcante, P / Chavarria, A / D'Angelo, D / Davini, S / Derbin, A / Etenko, A / Fomenko, K / Franco, D / Galbiati, C /

Gazzana, S / Ghiano, C / Giammarchi, M / Goeger-Neff, M / Goretti, A / Grandi, L / Guardincerri, E / Hardy, S / Ianni, Aldo / Ianni, Andrea / Kobychev, V / Korablev, D / Korga, G / Koshio, Y / Kryn, D / Laubenstein, M / Lewke, T / Litvinovich, E / Loer, B / Lombardi, F / Lombardi, P / Ludhova, L / Machulin, I / Manecki, S / Maneschg, W / Manuzio, G / Meindl, Q / Meroni, E / Miramonti, L / Misiaszek, M / Montanari, D / Mosteiro, P / Muratova, V / Oberauer, L / Obolensky, M / Ortica, F / Pallavicini, M / Papp, L / Peña-Garay, C / Perasso, L / Perasso, S / Pocar, A / Raghavan, R S / Ranucci, G / Razeto, A / Re, A / Romani, A / Sabelnikov, A / Saldanha, R / Salvo, C / Schönert, S / Simgen, H / Skorokhvatov, M / Smirnov, O / Sotnikov, A / Sukhotin, S / Suvorov, Y / Tartaglia, R / Testera, G / Vignaud, D / Vogelaar, R B / von Feilitzsch, F / Winter, J / Wojcik, M / Wright, A / Wurm, M / Xu, J / Zaimidoroga, O / Zavatarelli, S / Zuzel, G

Physical review letters

2011 Volume 107, Issue 14, Page(s) 141302

Abstract: The rate of neutrino-electron elastic scattering interactions from 862 keV (7)Be solar neutrinos in Borexino is determined to be 46.0±1.5(stat)(-1.6)(+1.5)(syst) counts/(day·100 ton). This corresponds to a ν(e)-equivalent (7)Be solar neutrino flux of (3. ...

Abstract	The rate of neutrino-electron elastic scattering interactions from 862 keV (7)Be solar neutrinos in Borexino is determined to be 46.0±1.5(stat)(-1.6)(+1.5)(syst) counts/(day·100 ton). This corresponds to a ν(e)-equivalent (7)Be solar neutrino flux of (3.10±0.15)×10(9) cm(-2) s(-1) and, under the assumption of ν(e) transition to other active neutrino flavours, yields an electron neutrino survival probability of 0.51±0.07 at 862 keV. The no flavor change hypothesis is ruled out at 5.0 σ. A global solar neutrino analysis with free fluxes determines Φ(pp)=6.06(-0.06)(+0.02)×10(10) cm(-2) s(-1) and Φ(CNO)<1.3×10(9) cm(-2) s(-1) (95% C.L.). These results significantly improve the precision with which the Mikheyev-Smirnov-Wolfenstein large mixing angle neutrino oscillation model is experimentally tested at low energy.
Language	English
Publishing date	2011-09-30
Publishing country	United States
Document type	Journal Article
ZDB-ID	208853-8
ISSN	1079-7114 ; 0031-9007
ISSN (online)	1079-7114
ISSN	0031-9007
DOI	10.1103/PhysRevLett.107.141302
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Book ; Online: Cosmic-muon flux and annual modulation in Borexino at 3800 m water-equivalent depth

Bellini, G. / Benziger, J. / Bick, D. / Bonfini, G. / Bravo, D. / Avanzini, M. Buizza / Caccianiga, B. / Cadonati, L. / Calaprice, F. / Carraro, C. / Cavalcante, P. / Chavarria, A. / Chepurnov, A. / D'Angelo, D. / Davini, S. / Derbin, A. / Etenko, A. / von Feilitzsch, F. / Fomenko, K. /

Franco, D. / Galbiati, C. / Gazzana, S. / Ghiano, C. / Giammarchi, M. / Goeger-Neff, M. / Goretti, A. / Grandi, L. / Guardincerri, E. / Hagner, C. / Hardy, S. / Ianni, Aldo / Ianni, Andrea / Korablev, D. / Korga, G. / Koshio, Y. / Kryn, D. / Laubenstein, M. / Lewke, T. / Litvinovich, E. / Loer, B. / Lombardi, F. / Lombardi, P. / Ludhova, L. / Machulin, I. / Manecki, S. / Maneschg, W. / Manuzio, G. / Meindl, Q. / Meroni, E. / Miramonti, L. / Misiaszek, M. / Montanari, D. / Mosteiro, P. / Muratova, V. / Oberauer, L. / Obolensky, M. / Ortica, F. / Otis, K. / Pallavicini, M. / Papp, L. / Perasso, L. / Perasso, S. / Pocar, A. / Raghavan, R. S. / Ranucci, G. / Razeto, A. / Re, A. / Romani, A. / Sabelnikov, A. / Saldanha, R. / Salvo, C. / Schönert, S. / Simgen, H. / Skorokhvatov, M. / Smirnov, O. / Sotnikov, A. / Sukhotin, S. / Suvorov, Y. / Tartaglia, R. / Testera, G. / Vignaud, D. / Vogelaar, R. B. / Winter, J. / Wojcik, M. / Wright, A. / Wurm, M. / Xu, J. / Zaimidoroga, O. / Zavatarelli, S. / Zuzel, G.

2012

Abstract: We have measured the muon flux at the underground Gran Sasso National Laboratory (3800 m w.e.) to be (3.41 \pm 0.01) \times 10-4m-2s-1 using four years of Borexino data. A modulation of this signal is observed with a period of (366\pm3) days and a ... ...

Abstract	We have measured the muon flux at the underground Gran Sasso National Laboratory (3800 m w.e.) to be (3.41 \pm 0.01) \times 10-4m-2s-1 using four years of Borexino data. A modulation of this signal is observed with a period of (366\pm3) days and a relative amplitude of (1.29 \pm 0.07)%. The measured phase is (179 \pm 6) days, corresponding to a maximum on the 28th of June. Using the most complete atmospheric data models available, muon rate fluctuations are shown to be positively correlated with atmospheric temperature, with an effective coefficient {\alpha}T = 0.93 \pm 0.04. This result represents the most precise study of the muon flux modulation for this site and is in good agreement with expectations. Comment: 14 pages, 8 figures, published on JCAP as JCAP05(2012)015 on May 15th 2012
Keywords	High Energy Physics - Experiment ; Astrophysics - Instrumentation and Methods for Astrophysics ; Physics - Atmospheric and Oceanic Physics
Subject code	551
Publishing date	2012-02-28
Publishing country	us
Document type	Book ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article: Direct measurement of the 7Be solar neutrino flux with 192 days of borexino data.

Arpesella, C / Back, H O / 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, 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 / 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 / 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 / Sonnenschein, A / Sotnikov, A / Sukhotin, S / Suvorov, Y / Tartaglia, R / Testera, G / Vignaud, D / Vitale, S / Vogelaar, R B / von Feilitzsch, F / von Hentig, R / von Hentig, T / Wojcik, M / Wurm, M / Zaimidoroga, O / Zavatarelli, S / Zuzel, G

Physical review letters

2008 Volume 101, Issue 9, Page(s) 91302

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 ... ...

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.
Language	English
Publishing date	2008-08-29
Publishing country	United States
Document type	Journal Article
ZDB-ID	208853-8
ISSN	1079-7114 ; 0031-9007
ISSN (online)	1079-7114
ISSN	0031-9007
DOI	10.1103/PhysRevLett.101.091302
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Lifetimes of (214)Po and (212)Po measured with Counting Test Facility at Gran Sasso National Laboratory.

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Article ; Online: First evidence of pep solar neutrinos by direct detection in Borexino.

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Article ; Online: Precision measurement of the (7)Be solar neutrino interaction rate in Borexino.

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Book ; Online: Cosmic-muon flux and annual modulation in Borexino at 3800 m water-equivalent depth

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Article: Direct measurement of the 7Be solar neutrino flux with 192 days of borexino data.

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