AAS Meeting #193 - Austin, Texas, January 1999
Session 79. Gamma-Ray Bursts I
Oral, Friday, January 8, 1999, 10:00-11:30am, Ballroom A

## [79.08] Another Look at Just-So Solar Neutrino Oscillations

J.M. Gelb (Univ. of Texas at Arlington), S.P. Rosen (DOE)

We take another look at Just-So'' solar neutrino oscillations and characterize them by the energy at which the distance-varying angle is \pi/2. The SuperKamiokande spectrum can be fit with an energy in the range of 9-12 MeV. In this case, the pp neutrinos are reduced to half the standard solar model prediction and 7Be neutrinos must make up a significant part of the gallium signal, in contrast to the small-angle MSW prediction. Furthermore, the 7Be neutrinos could show a large seasonal variation, which might be detectable in more precise gallium data.

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The author(s) of this abstract have provided an email address for comments about the abstract: gelb@alum.mit.edu