Phys. Rev. D 77, 065024 (2008) [9 pages]
Mu-tau neutrino refraction and collective three-flavor transformations in supernovae
Abstract
References (29)
Citing Articles
Andreu Esteban-Pretel, 1 Sergio Pastor, 1 Ricard Tomàs, 1 Georg G. Raffelt, 2 and Günter Sigl3,41Institut de Física Corpuscular, CSIC-Universitat de València, Ed. Instituts d'Investigació, Ap. correus 22085, 46071 València, Spain
2Max-Planck-Institut für Physik, Werner-Heisenberg-Institut, Föhringer Ring 6, 80805 München, Germany
3II. Institut für theoretische Physik, Universität Hamburg, Luruper Chaussee 149, 22761 Hamburg, Germany
4APC (AstroParticules et Cosmologie), 10, rue Alice Domon et Léonie Duquet, 75205 Paris Cedex 13, France
Received 17 December 2007; published 27 March 2008
We study three-flavor collective neutrino transformations in the dense-neutrino region above the neutrino sphere of a supernova core. We find that two-flavor conversions driven by the atmospheric mass difference and the 13-mixing angle capture the full effect if one neglects the second-order difference between the nuµ and nutau refractive index. Including this “mu-tau matter term” provides a resonance at a density of rho[approximate]3×107 g cm-3 that typically causes significant modifications of the overall nue and [overline nu ]e survival probabilities. This effect is surprisingly sensitive to deviations from maximal 23-mixing, being different for each octant.
©2008 The American Physical Society
| URL: |
http://link.aps.org/doi/10.1103/PhysRevD.77.065024
|
| DOI: |
10.1103/PhysRevD.77.065024 |
| PACS: |
14.60.Pq;
97.60.Bw
|
REFERENCES (29)
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