Lagrange multiplier method used in BESⅢ kinematic fitting

Lagrange multiplier method used in BESⅢ kinematic fitting

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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. 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.

作者严亮何康林李卫国边渐鸣傅成栋黄彬刘颖吕绮雯宁飞鹏孙胜森徐敏张建勇朱永生

机构地区 Institute of High Energy Physics Graduate University of Chinese Academy of Sciences Guangxi University Shanxi University Department of Modern Physics

出处《Chinese Physics C》 SCIE CAS CSCD 2010年第2期204-209,共6页 中国物理C（英文版）

基金 Supported by National Natural Science Foundation of China (10491300,10491303,10735080) Research and Development Project of Important Scientific Equipment of CAS (H7292330S7)

关键词 BESⅢ kinematic fitting Lagrange multiplier BESⅢ, kinematic fitting, Lagrange multiplier

分类号 O411 [理学—理论物理]

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Chinese Physics C

2010年第2期

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Lagrange multiplier method used in BESⅢ kinematic fitting

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