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Constraints on supersymmetry from LHC data on SUSY searches and Higgs bosons combined with cosmology and direct dark matter searches

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Abstract

The ATLAS and CMS experiments did not find evidence for Supersymmetry using close to 5/fb of published LHC data at a center-of-mass energy of 7 TeV. We combine these LHC data with data on \(B^{0}_{s}\to \mu^{+}\mu^{-}\) (LHCb experiment), the relic density (WMAP and other cosmological data) and upper limits on the dark matter scattering cross sections on nuclei (XENON100 data). The excluded regions in the constrained Minimal Supersymmetric SM (CMSSM) lead to gluinos excluded below 1270 GeV and dark matter candidates below 220 GeV for values of the scalar masses (m 0) below 1500 GeV. For large m 0 values the limits of the gluinos and the dark matter candidate are reduced to 970 GeV and 130 GeV, respectively. If a Higgs mass of 125 GeV is imposed in the fit, the preferred SUSY region is above this excluded region, but the size of the preferred region is strongly dependent on the assumed theoretical error.

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Acknowledgements

Support from the Deutsche Forschungsgemeinschaft (DFG) via a Mercator Professorship (Prof. Kazakov) and the Graduiertenkolleg “GRK 1694: Elementarteilchenphysik bei höchster Energie und höchster Präzision” is greatly appreciated. Furthermore, support from the Bundesministerium for Bildung und Forschung (BMBF) is acknowledged.

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Authors and Affiliations

  1. Institut für Experimentelle Kernphysik, Karlsruhe Institute of Technology, P.O. Box 6980, 76128, Karlsruhe, Germany

    C. Beskidt, W. de Boer & F. Ratnikov

  2. Bogoliubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, 6 Joliot-Curie, Dubna, 141980, Moscow Region, Russia

    D. I. Kazakov

  3. Institute for Theoretical and Experimental Physics, 25 B.Cheremushkinskaya, Moscow, 117218, Russia

    D. I. Kazakov & F. Ratnikov

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  1. C. Beskidt
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  2. W. de Boer
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Correspondence to W. de Boer.

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Beskidt, C., de Boer, W., Kazakov, D.I. et al. Constraints on supersymmetry from LHC data on SUSY searches and Higgs bosons combined with cosmology and direct dark matter searches. Eur. Phys. J. C 72, 2166 (2012). https://doi.org/10.1140/epjc/s10052-012-2166-z

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  • DOI: https://doi.org/10.1140/epjc/s10052-012-2166-z

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