English

Short-range nucleon correlations and neutrino emission by neutron stars

High Energy Physics - Phenomenology 2008-11-26 v2 Astrophysics

Abstract

We argue that significant probability of protons with momenta above their Fermi surface leads for proton concentrations p/n > 1/8 to the enhancement of termally excited direct and modified URCA processes within a cold neutron star, and to a nonzero probability of direct URCA processes for small proton concentrations (p/n < 1/8). We evaluate high momentum tails of neutron, proton and electrons distributions within a neutron star. We expect also significantly faster neutrino cooling of hyperon stars.

Keywords

Cite

@article{arxiv.0806.0997,
  title  = {Short-range nucleon correlations and neutrino emission by neutron stars},
  author = {Leonid Frankfurt and Mark Strikman},
  journal= {arXiv preprint arXiv:0806.0997},
  year   = {2008}
}

Comments

7 pages, updated version to be published in Proceedings of Sixth International Conference on Perspectives in Hadronic Physics, Trieste, May 2008