Neutrino Oscillations in Noisy Media

Details Neutrino Oscillations in Noisy Media Neutrino Oscillations in Noisy Media

1994-06-02

arxiv.org/abs/nucl-th/9406003v1

Phys.Rev.D50:4762-4770,1994

Physics

Nuclear Physics

Nuclear Theory

Latex (uses the epsf macro), 14 pages of text, 17 postscript figures included. Full postscript version available by anonymous

Scientific paper

10.1103/PhysRevD.50.4762

We develop the Redfield equation for delta-correlated gaussian noise and apply it to the case of two neutrino flavor or spin precession in the presence of a noisy matter density or magnetic field, respectively. The criteria under which physical fluctuations can be well approximated by the delta-correlated gaussian noise for the above cases are examined. Current limits on the possible neutrino magnetic moment and solar magnetic field suggest that a reasonably noisy solar magnetic field would not appreciably affect the solar electron neutrino flux. However, if the solar electron density has fluctuations of a few percent of the local density and a small enough correlation length, the MSW effect is suppressed for a range of parameters.

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