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“School of Physic”

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Paper   IPM / Physic / 13370
School of Physics
  Title:   Natural explanation for 130 GeV photon line within vector boson dark matter model
  Author(s): 
1.  Y. Farzan
2.  A. Rezaei Akbarieh
  Status:   Published
  Journal: Phys. Lett. B
  Vol.:  724
  Year:  2013
  Pages:   84
  Supported by:  IPM
  Abstract:
We present a dark matter model for explaining the observed 130 GeV photon line from the galaxy center. The dark matter candidate is a vector boson of mass mV with a dimensionless coupling to the photon and Z boson. The model predicts a double line photon spectrum at energies equal to mV and mV(1−mZ2/4mV2) originating from the dark matter annihilation. The same coupling leads to a mono-photon plus missing energy signal at the LHC. The entire perturbative parameter space can be probed by the 14 TeV LHC run. The model has also a good prospect of being probed by direct dark matter searches as well as the measurement of the rates of h → γγ and hZ γ at the LHC.

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