Upsilon Decays into Scalar Dark Matter

Details Upsilon Decays into Scalar Dark Matter Upsilon Decays into Scalar Dark Matter

2009-10-12

arxiv.org/abs/0910.2071v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 4 figures, to be published in the proceedings of DPF-2009, Detroit, MI, July 2009, eConf C090726

Scientific paper

We examine decays of a spin-1 bottomonium into a pair of light scalar Dark Matter (DM) particles, assuming that Dark Matter is produced due to exchange of heavy degrees of freedom. We perform a model-independent analysis and derive formulae for the branching ratios of these decays. We confront our calculation results with the experimental data. We show that Dark Matter production in Upsilon decays may lead to constraints on parameters of the models containing a light spin-0 DM particle.

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