Open AccessPhoton-neutrino interactions
Author(s) -
Duane A. Dicus,
Wayne W. Repko
Publication year - 1997
Publication title -
osti oai (u.s. department of energy office of scientific and technical information)
Language(s) - English
Resource type - Reports
DOI - 10.2172/555478
Subject(s) - physics , neutrino , photon , nuclear physics , particle physics , omega , sigma , cross section (physics) , lagrangian , gamma ray , theoretical physics , quantum mechanics
The cross sections for the processes {gamma}{nu} {yields} {gamma}{gamma} {yields} {nu}{anti {nu}} are 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 {sigma}({gamma}{nu} {yields} {gamma}{nu}) for photon energies {omega} {ge} 1 keV. Possible astrophysical implications are discussed
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