b-tau Yukawa (Non-)Unification in the CMSSM

Details b-tau Yukawa (Non-)Unification in the CMSSM b-tau Yukawa (Non-)Unification in the CMSSM

2011-06-30

arxiv.org/abs/1106.6208v1

Phys.Rev.D84:055009,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 1 figure

Scientific paper

10.1103/PhysRevD.84.055009

Supersymmetric Grand Unification usually provides unification of the bottom quark and the tau lepton Yukawa couplings at the GUT scale. In the CMSSM this can be realised only for a very particular choice of parameters. In this letter we study the GUT scale ratio y_tau/y_b for less peculiar parameters in the large tan beta regime and identify one parameter region preferred by current experimental data. In this region, which is well within the reach of the LHC, the ratio is very close to the recently proposed value of 3/2.

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