Photon-neutrino interactions
Duane A. Dicus, Wayne W. Repko
Abstract
The cross sections for the processes γν--> γγν, γγ-->γνν and νν -->γγγare calculated with the aid of an effective Lagrangian derived from the Standard model. These cross sections are shown to be much larger than the elastic cross section σ(γν--> γν) for photon energies ω> 1 keV. Possible astrophysical implications are discussed.
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