Bremsstrahlung neutrinos from electron-electron scattering in a relativistic degenerate electron plasma
- 16 December 2005
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 72 (12), 123004
- https://doi.org/10.1103/physrevd.72.123004
Abstract
We present a calculation of neutrino pair bremsstrahlung due to electron-electron scattering in a relativistic degenerate plasma of electrons. Proper treatment of the in-medium photon propagator, i.e., inclusion of Debye screening of the longitudinal part and Landau damping of the transverse part, leads to a neutrino emissivity which is several orders of magnitude larger than when Debye screening is imposed for the tranverse part. Our results show that this in-medium process can compete with other sources of neutrino radiation and can, in some cases, even be the dominant neutrino emission mechanism. We also discuss the natural extension to quark-quark bremsstrahlung in gapped and ungapped quark matter.Keywords
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