| Lagrange multiplier method used in BESⅢ |
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| 引用本文： | 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.Lagrange multiplier method used in BESⅢ[J].中国物理 C,2010,34(2):204-209. |
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| 作者姓名： | 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 |
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| 作者单位： | Institute of High Energy Physics, CAS, Beijing 100049, China; Graduate University of Chinese Academy of Sciences, Beijing 100049, China; Guangxi University, Nanning 530004, China; Shanxi University, Taiyuan 030006, China; Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China |
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| 基金项目： | Supported by National Natural Science Foundation of China （10491300, 10491303, 10735080）, Research and Development Project of Important Scientific Equipment of CAS （H7292330S7） |
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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.
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| 关 键 词： | 拉格朗日乘数法 运动学拟合 北京谱仪 配件 拟合算法 轨道参数 |
| 收稿时间： | 2009-3-24 |
| 修稿时间： | 2009-6-25 |
Lagrange multiplier method used in BESⅢ kinematic fitting |
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| YAN Liang,HE Kang-Lin,LI Wei-Guo,BIAN Jian-Ming,FUCheng-Dong,HUANGBin,LIU Ying,LU Qi-Wen,NING Fei-Peng,SUN Sheng-Sen,XU Min,ZHANG Jian-Yong,ZHU Yong-Sheng.Lagrange multiplier method used in BESⅢ kinematic fitting[J].High Energy Physics and Nuclear Physics,2010,34(2):204-209. |
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| Authors: | YAN Liang HE Kang-Lin LI Wei-Guo BIAN Jian-Ming FUCheng-Dong HUANGBin LIU Ying LU Qi-Wen NING Fei-Peng SUN Sheng-Sen XU Min ZHANG Jian-Yong ZHU Yong-Sheng |
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| Institution: | [1]Institute of High Energy Physics, CAS, Beijing 100049, China [2]Graduate University of Chinese Academy of Sciences, Beijing 100049, China [3]Guang-xi University, Nanning 530004, China [4]Shanxi University, Taiyuan 030006, China [5]Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China |
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| Abstract: | BESⅢ, kinematic fitting, Lagrange multiplier |
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| Keywords: | BESⅢ kinematic fitting Lagrange multiplier |
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