Plasmon decay into low-mass bosons in stars

Details Plasmon decay into low-mass bosons in stars Plasmon decay into low-mass bosons in stars

Mar 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988phrvd..37.1356r&link_type=abstract

Physical Review D (Particles and Fields), Volume 37, Issue 6, 15 March 1988, pp.1356-1359

Astronomy and Astrophysics

Astrophysics

16

Elementary Particle Processes

Scientific paper

A low-mass boson a, if it couples by a two-photon vertex, can be produced in the plasma decay process γt-->γl+a and in the plasma coalescence process γt+γl-->a, where γt and γl are transverse and longitudinal plasmons, respectively. The previously discussed γt-->γt+a is kinematically suppressed. It is shown that a previous calculation of the Primakoff emission rate already includes these effects if T>>ω0 (plasma frequency ω0) so that astrophysical bounds on the axion-photon coupling remain unchanged.

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