Quasifixed-point scenario in a modified nonminimal supersymmetric standard model

被引：14
|
作者：
Nevzorov, RB [1 ]
Trusov, MA [1 ]
机构：
[1] Inst Theoret & Expt Phys, Moscow 117218, Russia
来源：
PHYSICS OF ATOMIC NUCLEI | 2002年 / 65卷 / 02期
关键词：
D O I：
10.1134/1.1451951
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
The modified next-to-minimal supersymmetric standard model is the simplest model that is obtained as an extension of the minimal supersymmetric standard model and which is compatible with the LEP II experimental constraint on the mass of the lightest Higgs boson at tan beta similar to 1. The renormalization of Yukawa coupling constants and of the parameters of a soft breakdown of supersymmetry is investigated within this model. The possibility of unifying the Yukawa coupling constants for the b quark and the tau lepton at the Grand Unification scale M-x is studied. The spectrum of particles is analyzed in the vicinity of a quasifixed point where solutions to the renormalization-group equations are concentrated at the electroweak scale. (C) 2002 MAIK "Nauka/Interperiodica".
引用
收藏
页码：335 / 344
页数：10
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