Neutrino-photon scattering and its crossed processes in a background magnetic field

Details Neutrino-photon scattering and its crossed processes in a background magnetic field Neutrino-photon scattering and its crossed processes in a background magnetic field

1999-07-16

arxiv.org/abs/hep-ph/9907384v2

Phys.Lett. B466 (1999) 274-280

Physics

High Energy Physics

High Energy Physics - Phenomenology

Revtex, 10 pages, 4 ps figures, to appear in Phys. Lett. B

Scientific paper

10.1016/S0370-2693(99)01111-9

We study the neutrino-photon processes such as $\gamma\gamma\to \nu\bar{\nu}$ and $\nu\gamma\to \nu\gamma$ in a background magnetic field smaller than the critical magnetic field $B_c\equiv m_e^2/e$. Using Schwinger's proper-time method, we extract leading magnetic-field contributions to the above processes. Our result is valid throughout the kinematic regime where both neutrino and photon energies are significantly smaller than $m_W$. We briefly discuss the astrophysical implications of our result.

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