标题： MSSM中$SU(2)\times U(1)$的非线性实现：模型无关分析与$W$玻色子的$g-2$ 显示英文标题

标题： Non Linear Realizations of $SU(2)\times U(1)$ in the MSSM: Model Independent Analysis and $g-2$ of $W$ Bosons

摘要： 我们对一种$SU(2)\times U(1)$超对称规范理论的自发破缺相进行了模型无关的分析，采用了理论中Goldstone部分的非线性参数化方法。 这些非线性变量对应于一个$SL(2,C)$超场矩阵，在其基础上可以构造非线性拉格朗日量，并研究超对称破缺的模式。 超对称的序参量是中性赝Goldstone玻色子的V.E.V.（真空期望值）。 考虑了此技术的一些应用，涉及最小超对称标准模型，并在顶夸克质量趋于无穷大的极限下确定了$g-2$中$W$玻色子的质量。 显示英文摘要

摘要： We perform a model-independent analysis of the spontaneously broken phase of an $SU(2)\times U(1)$ supersymmetric gauge theory, by using a non-linear parametrization of the Goldstone sector of the theory. The non-linear variables correspond to an $SL(2,C)$ superfield matrix in terms of which a non-linear Lagrangian can be constructed, and the pattern of supersymmetry breaking investigated. The supersymmetric order parameter is the V.E.V. of the neutral pseudo-Goldstone boson. Some applications of this technique are considered, in relation to the minimal supersymmetric standard model, and to determine the $g-2$ of the $W$-bosons in the limit of large top mass.