Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2009-03-13
JETP Lett.89:97-101,2009; Pis'ma v ZhETF 89:115-120,2009
Physics
High Energy Physics
High Energy Physics - Phenomenology
10 pages, LaTeX, 4 EPS figures, accepted to JETP Letters
Scientific paper
10.1134/S0021364009030011
The double conversion of the neutrino helicity $\nu_L \to \nu_R \to \nu_L$ has been analyzed for supernova conditions, where the first stage is due to the interaction of the neutrino magnetic moment with plasma electrons and protons in the supernova core, and the second stage, due to the resonance spin flip of the neutrino in the magnetic field of the supernova envelope. It is shown that, in the presence of the neutrino magnetic moment in the range $10^{-13} \mu_{\rm B} < \mu_\nu < 10^{-12} \mu_{\rm B}$ and a magnetic field of $\sim 10^{13}$ G between the neutrinosphere and the shock-stagnation region, an additional energy of about $10^{51}$ erg, which is sufficient for a supernova explosion, can be injected into this region during a typical shock-stagnation time.
Kuznetsov Alexander Vasilievich
Mikheev Nickolay V.
Okrugin A. A.
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