Lagrange multiplier method used in BESⅢ kinematic fitting

被引：1

作者：

严亮 ^{[1
,2
]}

何康林 ^{[1
]}

李卫国 ^{[1
]}

边渐鸣 ^{[1
,2
]}

傅成栋 ^{[1
]}

黄彬 ^{[1
,2
]}

刘颖 ^{[3
]}

吕绮雯 ^{[4
]}

宁飞鹏 ^{[4
]}

孙胜森 ^{[1
]}

徐敏 ^{[5
]}

张建勇 ^{[1
]}

朱永生 ^{[1
]}

机构：

[1] Institute of High Energy Physics,CAS

[2] Guangxi University

[3] Department of Modern Physics,University of Science and Technology of China

[4] Shanxi University

[5] Graduate University of Chinese Academy of Sciences

来源：

中国物理C | 2010年 / 34卷 / 02期

基金：

中国国家自然科学基金;

关键词：

BESⅢ; kinematic fitting; Lagrange multiplier;

D O I：

暂无

中图分类号：

O411 [物理学的数学方法];

学科分类号：

0701 ;

摘要：

In this paper,the kinematic fitting with the Lagrange multiplier method has been studied for BESⅢ experiment.First we introduce the Lagrange multiplier method and implement kinematic constraints.Then we present the performance of the kinematic fitting algorithm.With the kinematic fitting,we can improve the resolution of track parameters and reduce the background.

引用

页码：204 / 209

页数：6

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