“School of Particles And Accelerator”
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| Paper IPM / Particles And Accelerator / 14201 |
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| Abstract: | |||||
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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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