Resonant neutrino spin-flavor precession and supernova shock revival

Details Resonant neutrino spin-flavor precession and supernova shock revival Resonant neutrino spin-flavor precession and supernova shock revival

1996-03-30

arxiv.org/abs/hep-ph/9603443v2

Phys.Rev.D55:515-522,1997

Physics

High Energy Physics

High Energy Physics - Phenomenology

16 pages, latex, 2 figures. added few references

Scientific paper

10.1103/PhysRevD.55.515

A new mechanism of supernova shock revival is proposed, which involves resonant spin--flavor precession of neutrinos with a transition magnetic moment in the magnetic field of the supernova. The mechanism can be operative in supernovae for transition magnetic moments as small as $10^{-14}\mu_B$ provided the neutrino mass squared difference is in the range $\Delta m^2 \sim (3 \;{\rm eV})^2-(600 \;{\rm eV})^2$. It is shown that this mechanism can increase the neutrino--induced shock reheating energy by about 60\%.

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