Neutrino Energy Loss from the Plasma Process at all Temperatures and Densities

Details Neutrino Energy Loss from the Plasma Process at all Temperatures and Densities Neutrino Energy Loss from the Plasma Process at all Temperatures and Densities

1993-02-03

arxiv.org/abs/hep-ph/9302213v1

Phys.Rev.D48:1478-1491,1993

Physics

High Energy Physics

High Energy Physics - Phenomenology

Latex, 30 pages. (2 figures available upon request). NUHEP-TH-93-1

Scientific paper

10.1103/PhysRevD.48.1478

We present a unified approach which is accurate at all temperatures and densities for calculating the energy loss from a stellar plasma due to the plasma process, the decay of photons and plasmons into neutrino pairs. To allow efficient numerical calculations, an analytic approximation to the dispersion equations for photons and plasmons is developed. It is correct to order $\alpha$ in the classical, degenerate, and relativistic limits for all momenta $k$ and is correct at small $k$ for all temperatures and electron densities. Within the same approximations, concise expressions are derived for the transverse, longitudinal, and axial vector components of the neutrino emissivity.

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