Constraints on Symmetric Dark Matter from Neutron Star Capture and Collapse

Yuxin Liu, Zhen Liu, Maxim Pospelov +1

Dark matter (DM) models with a conserved particle$-$antiparticle number, $n_{\chi }-n_{\tilde{\chi }}$, and the asymmetry in the cosmological abundance $n_{\chi }\ne n_{\tilde{\chi }}$, are known to be…