2012

125 GeV Higgs Boson from t-b-tau Yukawa Unification

Gogoladze, Ilia, Shafi, Qaisar, Ün, Cem Salih

Understand

We identify a class of supersymmetric SU(4)_c x SU(2)_L x SU(2)_R models in which imposing essentially perfect t-b-tau 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 beta is around 46-52.

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