AMS-02 positron excess and indirect detection of three-body decaying dark matter

@article{Cheng2017AMS02PE,
  title={AMS-02 positron excess and indirect detection of three-body decaying dark matter},
  author={Hsin-Chia Cheng and Wei-Chih Huang and Xiaoyuan Huang and Ian Low and Yue-Lin Sming Tsai and Qiang Yuan},
  journal={Journal of Cosmology and Astroparticle Physics},
  year={2017},
  volume={2017},
  pages={041-041}
}
  • Hsin-Chia Cheng, Wei-Chih Huang, +3 authors Qiang Yuan
  • Published 2017
  • Physics
  • Journal of Cosmology and Astroparticle Physics
  • We consider indirect detection of meta-stable dark matter particles decaying into a stable neutral particle and a pair of standard model fermions. Due to the softer energy spectra from the three-body decay, such models could potentially explain the AMS-02 positron excess without being constrained by the Fermi-LAT gamma-ray data and the cosmic ray anti-proton measurements. We scrutinize over different final state fermions, paying special attention to handling of the cosmic ray background and… CONTINUE READING

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