Studies on chargino production and decay at a photon collider

被引：5

作者：

Klämke, G ^{[1
]}

Mönig, K ^{[1
]}

机构：

[1] DESY, D-15738 Zeuthen, Germany

来源：

EUROPEAN PHYSICAL JOURNAL C | 2005年 / 42卷 / 03期

关键词：

Field Theory; Elementary Particle; Quantum Field Theory; Statistical Error; Particle Acceleration;

D O I：

10.1140/epjc/s2005-02310-2

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

A Monte-Carlo analysis on production and decay of supersymmetric charginos at a future photon-collider is presented. A photon collider offers the possibility of a direct branching-ratio measurement. In this study, the process gamma gamma -> (chi) over tilde (+)(1)(chi) over tilde (-)(1) -> W+W-(chi) over tilde (0)(1)(chi) over tilde (0)(1) -> q (q) over barq (q) over bar(chi) over tilde (0)(1)(chi) over tilde (0)(1) has been considered for a specific mSUGRA scenario. Various backgrounds and a parameterised detector simulation have been included. Depending on the centre-of-mass energy, a statistical error for the directly measurable branching ratio BR((chi) over tilde (+/-)(1) -> (chi) over tilde W-0(1)+/-) of up to 3.5% can be reached.

引用

页码：261 / 270

页数：10

共 32 条

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