Probing an extended region of Delta m^2 with rapidly oscillating 7Be solar neutrinos
arXiv:hep-ph/0106339 · doi:10.1103/PhysRevD.65.053005
Abstract
If 7Be solar neutrinos can be observed in real time experiments, then an extended region of Delta m^2 can be probed by a proper analysis of the rapidly changing phase of vacuum oscillations due to the eccentricity of the earth's orbit about the sun. For the case of maximal vacuum mixing, a kind of Fourier analysis of expected data for one year's time could uniquely pick out Delta m^2 if it lies in the region ~10^{-10} - 6 X 10^{-9} (eV)^2.
Improved treatment of thermal spreading; added references
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