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125 GeV Higgs boson from t-b-τ Yukawa unification

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Abstract

We identify a class of supersymmetric SU(4) c × SU(2) L × SU(2) R models in which imposing essentially perfect t-b-τ Yukawa coupling unification at M GUT yields a mass close to 122–126 GeV for the lightest CP-even (SM-like) Higgs boson. The squark and gluino masses in these models exceed 3 TeV, but the stau and charginos in some cases can be considerably lighter. We display some benchmark points corresponding to neutralino-stau and bino-wino coannihilations as well as A-resonance. The well-known MSSM parameter tan β is around 46–52.

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  1. Bartol Research Institute, Department of Physics and Astronomy, University of Delaware, Newark, DE, 19716, U.S.A.

    Ilia Gogoladze, Qaisar Shafi & Cem Salih Ün

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  1. Ilia Gogoladze
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Correspondence to Cem Salih Ün.

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ArXiv ePrint: 1203.6082

On leave of absence from: Andronikashvili Institute of Physics, 0177 Tbilisi, Georgia. (Ilia Gogoladze)

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Gogoladze, I., Shafi, Q. & Ün, C.S. 125 GeV Higgs boson from t-b-τ Yukawa unification. J. High Energ. Phys. 2012, 55 (2012). https://doi.org/10.1007/JHEP07(2012)055

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