Constraints on asymmetric dark matter from asteroseismology. Issue 1 (January 2016)

• Record Type: Journal Article
• Authors: Casanellas, J; Lopes, I
• Is Part Of: Journal of physics. Volume 665:Issue 1(2016)
• Publication Date: 2016-01
• Subjects: Physics -- Congresses; 530.5
• DOI: 10.1088/1742-6596/665/1/012016
• Languages: English
• ISSNs: 1742-6588

Abstract

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 M⊙ is suppressed due to DM cooling. Moreover, stars with masses below 1 M⊙ 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 α Cen B with photometric, spectroscopic and asteroseismic observations.