Constraints on asymmetric dark matter from asteroseismology
Solar and Stellar Astrophysics
2017-03-08 v2 High Energy Physics - Phenomenology
Abstract
We report recent results on the impact of asymmetric dark matter (DM) particles on low-mass stars. First, we found that the small convective core expected in stars with masses between 1.1 and 1.3 Msun is suppressed due to DM cooling. Moreover, stars with masses below 1 Msun have their central temperatures and densities more strongly influenced by DM than in the solar case. We were able to put limits to the DM mass and spin-dependent DM-proton scattering cross section by comparing the modelling of the nearby star Alpha Cen B with photometric, spectroscopic and asteroseismic observations.
Keywords
Cite
@article{arxiv.1307.6519,
title = {Constraints on asymmetric dark matter from asteroseismology},
author = {Jordi Casanellas and Ilídio Lopes},
journal= {arXiv preprint arXiv:1307.6519},
year = {2017}
}
Comments
4 pages, 1 figure. Proceedings of the NPA-VI Conference, Lisbon 2013