Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2009-07-22
Phys.Rev.D81:013003,2010
Physics
High Energy Physics
High Energy Physics - Phenomenology
23 pages, 15 figures; v2: typos and 5 figures corrected
Scientific paper
10.1103/PhysRevD.81.013003
In this paper we investigate the one-loop radiative corrections to the neutrino indices of refraction from supersymmetric models. We consider the Next-to Minimal Supersymmetric extension of the Standard Model (NMSSM) which happens to be a better supersymmetric candidate than the MSSM for both theoretical and experimental reasons. We scan the relevant SUSY parameters and identify regions in the parameter space which yield interesting values for V_{mu tau}. If R-parity is broken there are significant differences between MSSM and NMSSM contributions contrary to the R-parity conserved case. Finally, for a non-zero CP-violating phase, we show analytically that the presence of V_{mu tau} will explicitly imply CP-violation effects on the supernova electron (anti-) neutrino fluxes.
Gava Jerome
Jean-Louis C.-C.
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