Photon-axion conversions in static magnetic fields and in a periodic field with frequency equal to the axion mass are considered in detail by the Feynman diagram methods. The differential cross-sections are presented and numerical evaluations are given. It is shown that there is a resonant conversion for the considered process. Some estimates for experimental conditions are given from our results.

Van Soa D., Bang H.H.

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Từ khóa : analytic method; article; electromagnetic field; evaluation; magnetic field; mathematical analysis; mathematical computing; mathematical model; photon; process design