2015/04/27 by P. Ko, Pyungwon Ko, Ko, P. +4
Computer Science · Physics and Astronomy · #Atomic and Subatomic Physics Research #Computational Physics and Python Applications #Dark Matter and Cosmic Phenomena #astro-ph.HE #hep-ph
paper · pdf · doi:10.48550/arxiv.1504.06944
4 pages, 4 figures, proceeding of the 2nd Toyama Workshop on "Higgs as a Probe of New Physics 2015", 11-15 February 2015
arxiv created 2015/04/27 · arxiv updated 2015/04/28
We present Higgs-Portal dark matter (DM) models to explain the reported Galactic Center GeV gamma-ray excess. Naive effective theories are inconsistent with direct detection constraint for the relevant parameter range. Simple extended models with dark gauge symmetries can easily accommodate the gamma-ray excess through the Higgs-Portal coupling while satisfying various constraints.