Do the KamLAND and Solar Neutrino Data Rule out Solar Density Fluctuations?

Details Do the KamLAND and Solar Neutrino Data Rule out Solar Density Fluctuations? Do the KamLAND and Solar Neutrino Data Rule out Solar Density Fluctuations?

2003-03-19

arxiv.org/abs/hep-ph/0303169v1

Phys.Rev. D68 (2003) 013006

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages of double-column REVTEX4 with 7 figures

Scientific paper

10.1103/PhysRevD.68.013006

We elucidate effects of solar density fluctuations on neutrino propagation through the Sun. Using data from the recent solar neutrino and KamLAND experiments we provide stringent limits on solar density fluctuations. It is shown that the neutrino data constrains solar density fluctuations to be less than beta = 0.05 at the 70 % confidence level, where beta is the fractional fluctuation around the value given by the Standard Solar Model. We find that the best fit to the combined solar neutrino and KamLAND data is given by beta = 0.

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