Bayesian analysis of the solar neutrino anomaly

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We present an analysis of the recent solar neutrino data from the five experiments using Bayesian approach. We extract quantitative and easily understandable information pertaining to the solar neutrino problem. The probability distributions for the individual neutrino fluxes and, discrepancy distribution for B and Be fluxes, which include theoretical and experimental uncertainties have been extracted. The analysis carried out assuming that the neutrinos are unaltered during their passage from the sun to earth, clearly indicate that the observed PP flux is consistent with the 1995 standard solar model predictions of Bahcall and Pinsonneault within 2{sigma} (standard deviation), whereas the {sup ... continued below

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9 p.; Other: FDE: POSTSCRIPT; PL:

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Bhat, C.M. February 1, 1998.

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We present an analysis of the recent solar neutrino data from the five experiments using Bayesian approach. We extract quantitative and easily understandable information pertaining to the solar neutrino problem. The probability distributions for the individual neutrino fluxes and, discrepancy distribution for B and Be fluxes, which include theoretical and experimental uncertainties have been extracted. The analysis carried out assuming that the neutrinos are unaltered during their passage from the sun to earth, clearly indicate that the observed PP flux is consistent with the 1995 standard solar model predictions of Bahcall and Pinsonneault within 2{sigma} (standard deviation), whereas the {sup 8}B flux is down by more than 12{sigma} and the {sup 7}Be flux is maximally suppressed. We also deduce the experimental survival probability for the solar neutrinos as a function of their energy in a model-independent way. We find that the shape of that distribution is in qualitative agreement with the MSW oscillation predictions.

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9 p.; Other: FDE: POSTSCRIPT; PL:

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INIS; OSTI as DE98052299

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  • 8. Lomonosov conference on elementary particle physics, Moscow (Russian Federation), 25-30 Aug 1997

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  • Other: DE98052299
  • Report No.: FNAL/C--98/066
  • Report No.: CONF-9708153--
  • Grant Number: AC02-76CH03000
  • Office of Scientific & Technical Information Report Number: 570721
  • Archival Resource Key: ark:/67531/metadc695322

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  • February 1, 1998

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  • Aug. 14, 2015, 8:43 a.m.

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  • April 1, 2016, 5:14 p.m.

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Bhat, C.M. Bayesian analysis of the solar neutrino anomaly, article, February 1, 1998; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc695322/: accessed September 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.