Bremsstrahlung neutrinos from electron-electron scattering in a relativistic degenerate electron plasma

被引:10
作者
Jaikumar, P
Gale, C
Page, D
机构
[1] Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA
[2] McGill Univ, Dept Phys, Montreal, PQ H3A 2T8, Canada
[3] Univ Nacl Autonoma Mexico, Inst Astron, Mexico City 04510, DF, Mexico
关键词
D O I
10.1103/PhysRevD.72.123004
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
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.
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页数:12
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