A decaying neutralino as dark matter and its gamma ray spectrum

@article{Aboubrahim2020ADN,
  title={A decaying neutralino as dark matter and its gamma ray spectrum},
  author={Amin Aboubrahim and Tarek Ibrahim and Michael Klasen and Pran Nath},
  journal={The European Physical Journal C},
  year={2020},
  volume={81}
}
It is shown that a decaying neutralino in a supergravity unified framework is a viable candidate for dark matter. Such a situation arises in the presence of a hidden sector with ultraweak couplings to the visible sector where the neutralino can decay into the hidden sector’s lightest supersymmetric particle (LSP) with a lifetime larger than the lifetime of the universe. We present a concrete model where the MSSM/SUGRA is extended to include a hidden sector comprised of U(1)X1×U(1)X2… 

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