Singlet Dirac Fermion Dark Matter with Mediators at Loop

16 Dec 2018  ·  Hisano Junji, Nagai Ryo, Nagata Natsumi ·

We study the phenomenology of singlet Dirac fermion dark matter in the simplified models where the dark matter interacts with the Standard Model particles at loop-level with the help of either colored or non-colored mediators. We especially focus on the implications of non-zero CP phases in the dark sector, which induce the electric dipole moments of the Dirac fermion dark matter as well as those of electron and nucleon... It is then found that the dark matter direct detection searches and the measurements of the electric dipole moments are able to test the singlet Dirac fermion dark matter scenario in the forthcoming experiments. read more

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High Energy Physics - Phenomenology