On-shell renormalization of the chargino and neutralino masses in the MSSM

被引：24

作者：

Chatterjee, Arindam ^{[1
,2
]}

Drees, Manuel ^{[1
,2
]}

Kulkarni, Suchita ^{[1
,2
]}

Xu, Qingjun ^{[3
]}

机构：

[1] Univ Bonn, Bethe Ctr Theoret Phys, D-53115 Bonn, Germany

[2] Univ Bonn, Inst Phys, D-53115 Bonn, Germany

[3] Hangzhou Normal Univ, Dept Phys, Hangzhou 310036, Zhejiang, Peoples R China

来源：

PHYSICAL REVIEW D | 2012年 / 85卷 / 07期

基金：

中国国家自然科学基金;

关键词：

ONE-LOOP CALCULATIONS; SPECTRUM; SUPERSYMMETRY; FEYNARTS; PROGRAM; SCHEME;

D O I：

10.1103/PhysRevD.85.075013

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We discuss the choice of input parameters for the renormalization of the chargino and neutralino sector in the minimal supersymmetric standard model in the on-shell scheme. We show that one should choose the masses of a bino-like, a wino-like and a Higgsino-like state as inputs in order to avoid large corrections to the masses of the other eigenstates in this sector. We also show that schemes where the Higgsino-like input state is a neutralino are more stable than those where the mass of the Higgsino-like chargino is used as input. The most stable scheme uses the masses of the wino-like chargino as well as the masses of the bino- and Higgsino-like neutralinos as inputs.

引用

页数：19

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