Interpretations of galactic center gamma-ray excess confronting the PandaX-II constraints on dark matter-neutron spin-dependent scatterings in the NMSSM

Liangliang Shang, Yangle He, Jingwei Lian +1

The Weakly Interacting Massive Particle (WIMP) has been one of the most attractive candidates for Dark Matter (DM), and the lightest neutralino (${\tilde{\chi }}_1^0$) in the Next-to-M…