English

Neutron Star Stability in Light of the Neutron Decay Anomaly

High Energy Physics - Phenomenology 2019-09-04 v1 Cosmology and Nongalactic Astrophysics

Abstract

A recent proposal suggests that experimental discrepancies on the lifetime of neutrons can be resolved if neutrons decay to dark matter. At the same time it has been demonstrated that such a decay mode would soften the nuclear equation of state resulting in neutron stars with a maximum mass much below currently observed ones. In this paper we demonstrate that appropriate dark matter-baryon interactions can accommodate neutron stars with mass above 2 solar masses. We also show that dark matter self-interactions could also help neutrons stars reach 2 solar masses provided that dark matter is of asymmetric nature.

Keywords

Cite

@article{arxiv.1811.06546,
  title  = {Neutron Star Stability in Light of the Neutron Decay Anomaly},
  author = {Benjamin Grinstein and Chris Kouvaris and Niklas Grønlund Nielsen},
  journal= {arXiv preprint arXiv:1811.06546},
  year   = {2019}
}

Comments

5 pages, 2 figures