An extended segment pattern dictionary for a pattern matching tracking algorithm at BESⅢ

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MA Chang-Li, ZHANG Yao, YUAN Ye, ZHENG Yang-Heng, HE Kang-Li, LI Wei-Dong, LIU Huai-Min, MA Qiu-Mei, WU Ling-Hui and An extended segment pattern dictionary for a pattern matching tracking algorithm at BESⅢ[J]. Chinese Physics C, 2013, 37(6): 066202. doi: 10.1088/1674-1137/37/6/066202
MA Chang-Li, ZHANG Yao, YUAN Ye, ZHENG Yang-Heng, HE Kang-Li, LI Wei-Dong, LIU Huai-Min, MA Qiu-Mei, WU Ling-Hui and An extended segment pattern dictionary for a pattern matching tracking algorithm at BESⅢ[J]. Chinese Physics C, 2013, 37(6): 066202.  doi: 10.1088/1674-1137/37/6/066202 shu
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Received: 2012-07-20
Revised: 2012-08-16
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An extended segment pattern dictionary for a pattern matching tracking algorithm at BESⅢ

    Corresponding author: YUAN Ye,
    Corresponding author: ZHENG Yang-Heng,

Abstract: A pattern matching based tracking algorithm, named MdcPatRec, is used for the reconstruction of charged tracks in the drift chamber of the BESⅢ detector. This paper addresses the shortage of segment finding in the MdcPatRec algorithm. An extended segment construction scheme and the corresponding pattern dictionary are presented. Evaluation with Monte-Carlo and experimental data show that the new method can achieve higher efficiency for low transverse momentum tracks.

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