Measurement of the solar B8 neutrino rate with a liquid scintillator target and 3 MeV energy threshold in the Borexino detector - IN2P3 - Institut national de physique nucléaire et de physique des particules Access content directly
Journal Articles Physical Review D Year : 2010

Measurement of the solar B8 neutrino rate with a liquid scintillator target and 3 MeV energy threshold in the Borexino detector

G. Bellini
  • Function : Author
J. Benziger
  • Function : Author
S. Bonetti
  • Function : Author
M. Buizza Avanzini
  • Function : Author
B. Caccianiga
  • Function : Author
L. Cadonati
  • Function : Author
F. Calaprice
  • Function : Author
C. Carraro
  • Function : Author
A. Chavarria
  • Function : Author
A. Chepurnov
  • Function : Author
F. Dalnoki-Veress
  • Function : Author
D. d'Angelo
  • Function : Author
S. Davini
  • Function : Author
H. de Kerret
  • Function : Author
A. Derbin
  • Function : Author
A. Etenko
  • Function : Author
K. Fomenko
  • Function : Author
D. Franco
C. Galbiati
  • Function : Author
S. Gazzana
  • Function : Author
C. Ghiano
  • Function : Author
M. Giammarchi
  • Function : Author
M. Goeger-Neff
  • Function : Author
A. Goretti
  • Function : Author
E. Guardincerri
  • Function : Author
S. Hardy
  • Function : Author
Aldo Ianni
  • Function : Author
Andrea Ianni
  • Function : Author
M. Joyce
  • Function : Author
G. Korga
  • Function : Author
M. Laubenstein
  • Function : Author
M. Leung
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T. Lewke
  • Function : Author
E. Litvinovich
  • Function : Author
B. Loer
  • Function : Author
P. Lombardi
  • Function : Author
L. Ludhova
  • Function : Author
I. Machulin
  • Function : Author
S. Manecki
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W. Maneschg
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G. Manuzio
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Q. Meindl
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E. Meroni
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L. Miramonti
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M. Misiaszek
  • Function : Author
D. Montanari
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V. Muratova
  • Function : Author
L. Oberauer
  • Function : Author
F. Ortica
  • Function : Author
M. Pallavicini
L. Papp
  • Function : Author
L. Perasso
  • Function : Author
S. Perasso
  • Function : Author
A. Pocar
  • Function : Author
R. S. Raghavan
  • Function : Author
G. Ranucci
  • Function : Author
A. Razeto
  • Function : Author
A. Re
  • Function : Author
P. Risso
  • Function : Author
A. Romani
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D. Rountree
  • Function : Author
A. Sabelnikov
  • Function : Author
R. Saldanha
  • Function : Author
C. Salvo
  • Function : Author
S. Schönert
  • Function : Author
H. Simgen
M. Skorokhvatov
  • Function : Author
O. Smirnov
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A. Sotnikov
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S. Sukhotin
  • Function : Author
Y. Suvorov
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R. Tartaglia
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G. Testera
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R. B. Vogelaar
  • Function : Author
F. von Feilitzsch
  • Function : Author
J. Winter
  • Function : Author
M. Wojcik
  • Function : Author
A. Wright
  • Function : Author
M. Wurm
  • Function : Author
J. Xu
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O. Zaimidoroga
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S. Zavatarelli
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G. Zuzel
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Abstract

We report the measurement of ν-e elastic scattering from B8 solar neutrinos with 3 MeV energy threshold by the Borexino detector in Gran Sasso (Italy). The rate of solar neutrino-induced electron scattering events above this energy in Borexino is 0.22±0.04(stat)±0.01(syst)cpd/100t, which corresponds to ΦB8ES=2.4±0.4±0.1×106cm-2s-1, in good agreement with measurements from SNO and SuperKamiokaNDE. Assuming the B8 neutrino flux predicted by the high metallicity standard solar model, the average B8 νe survival probability above 3 MeV is measured to be 0.29±0.10. The survival probabilities for Be7 and B8 neutrinos as measured by Borexino differ by 1.9σ. These results are consistent with the prediction of the MSW-LMA solution of a transition in the solar νe survival probability Pee between the low-energy vacuum-driven and the high-energy matter-enhanced solar neutrino oscillation regimes.

Dates and versions

in2p3-00560376 , version 1 (28-01-2011)

Identifiers

Cite

G. Bellini, J. Benziger, S. Bonetti, M. Buizza Avanzini, B. Caccianiga, et al.. Measurement of the solar B8 neutrino rate with a liquid scintillator target and 3 MeV energy threshold in the Borexino detector. Physical Review D, 2010, 82, pp.33006. ⟨10.1103/PHYSREVD.82.033006⟩. ⟨in2p3-00560376⟩
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