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The status of GMSB after 1/fb at the LHC

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Abstract

We thoroughly investigate the current status of supersymmetry in light of the latest searches at the LHC, using General Gauge Mediation (GGM) as a well-motivated signature generator that leads to many different simplified models. We consider all possi-ble promptly-decaying NLSPs in GGM, and by carefully reinterpreting the existing LHC searches, we derive limits on both colored and electroweak SUSY production. Overall, the coverage of GGM parameter space is quite good, but much discovery potential still remains even at 7 TeV. We identify several regions of parameter space where the current searches are the weakest, typically in models with electroweak production, third generation sfermions or squeezed spectra, and we suggest how ATLAS and CMS might modify their search strategies given the understanding of GMSB at 1/fb. In particular, we propose the use of leptonic M T2 to suppress \(t\overline t\) backgrounds. Because we express our results in terms of simplified models, they have broader applicability beyond the GGM framework, and give a global view of the current LHC reach. Our results on 3 rd generation squark NLSPs in particular can be viewed as setting direct limits on naturalness.

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Authors and Affiliations

  1. New High Energy Theory Center, Rutgers University, Piscataway, NJ, 08854, U.S.A.

    Yevgeny Kats & David Shih

  2. C.N. Yang Institute for Theoretical Physics, Stony Brook University, Stony Brook, NY, 11794, U.S.A.

    Patrick Meade

  3. Department of Physics, Harvard University, Cambridge, MA, 02138, U.S.A.

    Matthew Reece

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  1. Yevgeny Kats
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Correspondence to Yevgeny Kats.

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arXiv ePrint: 1110.6444

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Kats, Y., Meade, P., Reece, M. et al. The status of GMSB after 1/fb at the LHC. J. High Energ. Phys. 2012, 115 (2012). https://doi.org/10.1007/JHEP02(2012)115

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