Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1996-08-09
Physics
High Energy Physics
High Energy Physics - Phenomenology
3pp. LaTeX including 2 psfigures; to appear in Proceedings, DPF96, Minneapolis, 11-15 August 1996
Scientific paper
We examine the effects of a scalar field, coupled only to neutrinos, on oscillations among weak interaction current eigenstates. The existence of a real scalar field is manifested as effective masses for the neutrino mass eigenstates, the same for $\nbar$ as for $\n$. Under some conditions, this can lead to a vanishing of $\delta m^2$, giving rise to MSW-like effects. We present an idealized example and show that it may be possible to resolve the apparent discrepancy in spectra required by r-process nucleosynthesis in the mantles of supernovae and by Solar neutrino solutions.
Goldman Tamar
McKellar Bruce H. J.
Stephenson Gerard J. Jr.
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