Light heavy MSSM Higgs bosons at large tanβ

J. Ellis, S. Heinemeyer, K. A. Olive, G. Weiglein

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38 Scopus citations


The region of MSSM Higgs parameter space currently excluded by the CDF Collaboration, based on an analysis of ∼ 1 fb-1 of integrated luminosity, is less than the expected sensitivity. We analyze the potential implications of the persistence of this discrepancy within the MSSM, assuming that the soft supersymmetry-breaking contributions to scalar masses are universal, apart from those to the Higgs masses (the NUHM model). We find that a light heavy MSSM Higgs signal in the unexcluded part of the sensitive region could indeed be accommodated in this simple model, even after taking into account other constraints from cold dark matter, electroweak precision observables and B physics observables. In this case the NUHM suggests that supersymmetric signatures should also be detectable in the near future in some other measurements such as BR (Bs → μ+ μ-), BR (b → s γ) and (g - 2)μ, and Mh would have to be very close to the LEP exclusion limit. In addition, the dark matter candidate associated with this model should be on the verge of detection in direct detection experiments.

Original languageEnglish (US)
Pages (from-to)292-299
Number of pages8
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Issue number2-4
StatePublished - Sep 20 2007

Bibliographical note

Funding Information:
We would like to thank Patricia Ball, Prisca Cushman, and Athanasios Dedes for useful conversations. The work of K.A.O. was partially supported by DOE grant DE-FG02-94ER-40823. The work of S.H. was partially supported by CICYT (grant FPA2006–02315). Work supported in part by the European Community's Marie-Curie Research Training Network under contract MRTN-CT-2006-035505 ‘Tools and Precision Calculations for Physics Discoveries at Colliders’.


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