Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1992-07-29
Phys.Lett. B302 (1993) 435-441
Physics
High Energy Physics
High Energy Physics - Phenomenology
15 pages, SCIPP-92/29
Scientific paper
10.1016/0370-2693(93)90423-F
We discuss the implications of global symmetries on the radiative corrections to the Higgs sector. We focus on two examples: the charged Higgs mass in the minimal supersymmetric model and the Higgs couplings to vector boson pairs. In the first case, we find that in the absence of squark mixing a global SU(2)$\times$SU(2) symmetry protects the charged Higgs mass from corrections of ${\cal O}(g^2m^4_t/m^2_W)$. In the second case, it is the {\it custodial} symmetry which plays an analogous role in constraining the fermion-mass dependence of the radiative corrections.
Haber Howard E.
Pomarol Alex
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