Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2002-11-11
Mod.Phys.Lett. A17 (2002) 2553-2562
Physics
High Energy Physics
High Energy Physics - Phenomenology
11 pages, LATEX, 3 EPS figures, one figure and several equations corrected
Scientific paper
10.1142/S0217732302009325
The two-photon two-neutrino interaction induced by magnetic field is investigated. In particular the processes $\gamma \gamma \to \nu \bar \nu$ and $\gamma \to \gamma \nu \bar \nu$ are studied in the presence of strong magnetic field. An effective Lagrangian and partial amplitudes of the processes are presented. Neutrino emissivities due to the reactions $\gamma \gamma \to \nu \bar \nu$ and $\gamma \to \gamma \nu \bar \nu$ are calculated taking into account of the photon dispersion and large radiative corrections. A comparison of the results obtained with previous estimations and another inducing mechanisms of the processes under consideration is made.
Chistyakov M. V.
Mikheev Nickolay V.
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