Accidental dark matter: Case in the scale invariant local B -L model

@article{Guo2015AccidentalDM,
  title={Accidental dark matter: Case in the scale invariant local B -L model},
  author={Jun Guo and Zhaofeng Kang and Pyungwon Ko and Yuta Orikasa},
  journal={Physical Review D},
  year={2015},
  volume={91},
  pages={115017}
}
We explore the idea of accidental dark matter (aDM) stability in the scale invariant local $U(1)_{B-L}$ model, which is a theory for neutrino and at the same time radiatively breaks scale invariance via quantum mechanical dynamics in the $U(1)_{B-L}$ sector. A real singlet scalar can be accidental DM with an accidental $Z_2$, by virtue of both extended symmetries. A $U(1)_{B-L}$ charged complex scalar can also be a viable accidental DM due to an accidental (or remanent) $Z_3$. They can… 

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