Axion Bremsstrahlung

Details Axion Bremsstrahlung Axion Bremsstrahlung

2003-10-20

arxiv.org/abs/astro-ph/0310541v1

Astronomy and Astrophysics

Astrophysics

talk given at the 15th Rencontres De Blois: Physical Cosmology: New Results In Cosmology And The Coherence Of The Standard Mod

Scientific paper

A new mechanism of cosmic axion production is proposed: axion bremsstrahlung from collisions of straight global strings. This effect is of the second order in the axion coupling constant, but the resulting cosmological estimate is likely to be of the same order as that corresponding to radiation from oscillating string loops. This may lead to a further restriction on the axion window.

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