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Abelian dark matter models for 511 keV gamma rays and direct detection

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arxiv 1204.1965 v2 pith:WUUNOEGV submitted 2012-04-09 hep-ph astro-ph.COastro-ph.GA

James M. Cline , Andrew R. Frey This is my paper · ORCID
classification hep-phastro-ph.COastro-ph.GA
keywords darkmattermodeldetectionexperimentsgammamassrays
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We construct a simple U(1) hidden sector model of metastable dark matter that could explain excess 511 keV gamma rays from the galactic center as observed by INTEGRAL, through inelastic scattering of dark matter followed by its decay. Although the model is highly constrained, it naturally accommodates dark matter with mass and cross section in the range suggested by the CoGeNT and CRESST experiments. The dark gauge boson that mediates the interactions with standard model matter has a mass of several hundred MeV, and might be discovered by heavy photon detection experiments, including APEX, MAMI and HPS.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Relaxation of Energy Constraints for Positrons Generating the Galactic Annihilation Signal

    astro-ph.HE 2025-06 conditional novelty 6.0 of 10

    A full forward model of INTEGRAL, COMPTEL, and EGRET data relaxes the upper limit on positron injection energy for the Galactic 511 keV signal from a few MeV to roughly 40-60 MeV.

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