125 GeV Higgs Boson from t-b-tau Yukawa Unification
Ilia Gogoladze, Qaisar Shafi, Cem Salih \"Un
TL;DR
This paper explores supersymmetric models with t-b-tau Yukawa unification, predicting a Higgs mass around 125 GeV and specific superpartner mass spectra, including heavy squarks and gluinos.
Contribution
It demonstrates that t-b-tau Yukawa unification in certain SUSY models naturally leads to a Higgs mass near 125 GeV with distinctive superpartner mass patterns.
Findings
Higgs mass predicted around 122-126 GeV
Squark and gluino masses exceed 3 TeV
Light staus and charginos possible in some scenarios
Abstract
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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