“School of Particles And Accelerator”

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Paper   IPM / Particles And Accelerator / 14201
School of Particles and Accelerator
  Title:   Scalar Dark Matter in Scale Invariant Standard Model
1.  Karim Ghorbani
2.  Hossein Ghorbani
  Status:   Submitted
  Year:  2015
  Supported by:  IPM
We investigate single and two-component scalar dark matter scenari in classically scale invariant standard model which is free of the hierarchy prob lem in the Higgs sector. We show that despite the very restricted space of parameters imposed by the scale invariance symmetry, both single and two-component scalar dark matter models overcom e the direct and indirect constraints provided by the Planck observational data and the Xenon100 experiment. We comment also on the radiative mass corrections of the classically massless scalon that plays a crucial role in our study

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