Minimal supersymmetric Higgs boson self-couplings: Two-loop O(αtαs) corrections

被引:17
作者
Brucherseifer, Mathias [1 ]
Gavin, Ryan [2 ]
Spira, Michael [2 ]
机构
[1] KIT, Inst Theoret Teilchenphys, D-76128 Karlsruhe, Germany
[2] Paul Scherrer Inst, CH-5232 Villigen, Switzerland
基金
瑞士国家科学基金会;
关键词
RENORMALIZATION-GROUP EQUATIONS; RADIATIVE-CORRECTIONS; BROKEN SYMMETRIES; MSSM; BREAKING; MASSES; PREDICTIONS; DECAYS;
D O I
10.1103/PhysRevD.90.117701
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We analyze the minimal supersymmetric Higgs self-couplings at O(alpha(t)alpha(s)) within the effective potential approach. The two-loop corrections turn out to be of moderate size in the DR scheme of dimensional reduction ( DR) if the central scale is chosen as half the supersymmetry scale. The inclusion of the two-loop corrections reduces the renormalization scale dependence to the percent level. These results have a significant impact on measurements of the trilinear Higgs self-couplings at the LHC and a future e(+)e(-) collider.
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页数:5
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