One-loop on-shell renormalization of MSSM vertexes

被引：1

作者：

Zhao Shu-Min ^{[1
]}

Feng Tai-Fu ^{[1
]}

Wang Fang ^{[2
]}

Gao Tie-Jun ^{[3
]}

Zhang Yin-Jie ^{[1
]}

机构：

[1] Hebei Univ, Dept Phys & Technol, Baoding 071002, Peoples R China

[2] Hebei Univ, Dept Elect & Informat Engn, Baoding 071002, Peoples R China

[3] Dalian Univ Technol, Dept Phys, Dalian 116024, Peoples R China

来源：

CHINESE PHYSICS C | 2013年 / 37卷 / 05期

关键词：

on-shell; MSSM; zero-momentum; STANDARD MODEL; ELECTROWEAK; LEPTON; SCATTERING;

D O I：

10.1088/1674-1137/37/5/053101

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 on-shell renormalization scheme for electroweak theory is well studied in the standard model (SM), but a consistent on-shell renormalization scheme for the minimal supersymmetric standard model (MSSM) is still unknown. In the MSSM, we study the on-shell scheme for three vertexes: ZlIlI, W+.IlI and similar to L * i.0 alI, with virtual SUSY particles (chargino, sneutrino, neutralino and slepton) at one-loop order. Instead of the amplitude of a single triangle diagram, the sum of the amplitude of triangle diagrams belonging to one suit can be renormalized in the on-shell scheme. One suit points out that the internal virtual particles are consistent. The zero-momentum scheme is also used for the renormalization. The two schemes can make the renormalized results decoupled, and in the MSSM some of the special characters of the on-shell scheme are shown. This work is propitious in completing the on-shell renormalization scheme in the MSSM.

引用

页数：8

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