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
收藏
页码：261 / 270
页数：10
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