Published December 20, 1999
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Journal Article
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Neutrino Magnetic Moments, Flavor Mixing, and the Super-Kamiokande Solar Data
- Creators
- Beacom, J. F.
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Vogel, P.
Abstract
We find that magnetic neutrino-electron scattering is unaffected by oscillations for vacuum mixing of Dirac neutrinos with only diagonal moments and for Majorana neutrinos with two flavors. For Mikheyev-Smirnov-Wolfenstein mixing, these cases are again obtained, though the effective moments can depend on the neutrino energy. Thus, e.g., the magnetic moments measured with ν̅e from a reactor and νe from the Sun could be different. With minimal assumptions, we find a new limit on μν using the 825-d Super-Kamiokande solar neutrino data: |μν|≤1.5×10^-10 μB at 90% CL, comparable to the existing reactor limit.
Additional Information
©1999 The American Physical Society Received 16 July 1999 This work was supported in part by the U.S. Department of Energy under Grant No. DE-FG03-88ER-40397. J.F.B. was supported by Caltech. We thank Boris Kayser, Bob Svoboda, and Mark Vagins for discussions, and the Super-Kamiokande Collaboration for supplying the 825-d results.Files
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- 2651
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- CaltechAUTHORS:BEAprl99
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