Upper bounds on SUSY masses from the LHC

Details Upper bounds on SUSY masses from the LHC Upper bounds on SUSY masses from the LHC

2011-08-18

arxiv.org/abs/1108.3867v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages, 2 figures, version to be published in PRL

Scientific paper

The LHC is already putting bounds on the Higgs mass. In this paper we use those bounds to put constrains on the MSSM parameter space coming from the fact that, in supersymmetry, the Higgs mass is a function of the masses of sparticles, and therefore an upper bound on the Higgs mass translates into an upper bound for the masses for superparners. We show that, although current bounds do not constrain yet the MSSM parameter space from above, once the Higgs mass bound improves big regions of this parameter space will be excluded, putting upper bounds on SUSY masses. On the other hand, for the case of split-SUSY we will show that, for moderate or large tan\beta, the present bounds on the Higgs mass already imply that the common mass for scalars cannot be greater than 10^{11} GeV. We show how these bounds will evolve as long LHC improves the limits on the Higgs mass.

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