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APS » Journals » Phys. Rev. Lett. » Volume 85 » Issue 5
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Phys. Rev. Lett. 85, 936–939 (2000)

Mikheyev-Smirnov-Wolfenstein Effects in Vacuum Oscillations

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Alexander Friedland
Department of Physics, University of California, Berkeley, California 94720
Theory Group, Lawrence Berkeley National Laboratory, Berkeley, California 94720

Received 1 February 2000; published in the issue dated 31 July 2000

See accompanying Physics Focus

We point out that for solar neutrino oscillations with the mass-squared difference of Δm2∼10-10–10-9eV2, i.e., in the so-called vacuum oscillation range, the solar matter effects are non-negligible, particularly for the low energy pp neutrinos. One consequence of this is that the values of the mixing angle θ and π/2-θ are not equivalent, making it necessary to consider the entire physical range of the mixing angle 0≤θ≤π/2 when determining the allowed values of the neutrino oscillation parameters.

© 2000 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.85.936
DOI:
10.1103/PhysRevLett.85.936
PACS:
14.60.Pq, 26.65.+t
 
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