Axion Bremsstrahlung in Dense Stars

Details Axion Bremsstrahlung in Dense Stars Axion Bremsstrahlung in Dense Stars

Nov 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...322..291n&link_type=abstract

Astrophysical Journal v.322, p.291

Astronomy and Astrophysics

Astronomy

12

Dense Matter, Nuclear Reactions, Radiation Mechanisms, Stars: Neutron, Stars: White Dwarfs

Scientific paper

The energy loss rate due to axion bremsstrahlung in dense stars such as white dwarfs or neutron stars is calculated by taking into account the ionic correlation effects accurately. It is found that the ionic correlation effects suppress the axion bremsstrahlung rate typically by a factor 2-50. The energy loss rate due to axion bremsstrahlung is found to be always smaller than the neutrino energy loss rate in the 12C white dwarf star matter where ρ > 106 g cm-3 and T > 107 K as long as the condition α = g2/4π < 1 x 10-27 is satisfied, although this is not claimed to be an observationally verified bound.

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