Track reconstruction using the TSF method for the BESⅢ main drift chamber

LIU Qiu-Guang; ZANG Shi-Lei; LI Wei-Guo; MAO Ze-Pu; BIAN Jian-Ming; CAO Guo-Fu; CAO Xue-Xiang; CHEN Shen-Jian; DENG Zi-Yan; FU Cheng-Dong; GAO Yuan-Ning; HE Kang-Lin; HE Miao; HUA Chun-Fei; HUANG Bin; HUANG Xing-Tao; JI Xiao-Bin; LI Fei; LI Hai-Bo; LI Wei-Dong; LIANG Yu-Tie; LIU Chun-Xiu; LIU Huai-Min; LIU Suo; LIU Ying-Jie; MA Qiu-Mei; MA Xiang; MAO Ya-Jun; MO Xiao-Hu; PAN Ming-Hua; PANG Cai-Ying; PING Rong-Gang; QIN Gang; QIN Ya-Hong; QIU Jin-Fa; SUN Sheng-Sen; SUN Yong-Zhao; WANG Ji-Ke; WANG Liang-Liang

doi:10.1088/1674-1137/32/7/011

Chinese Physics C> 2008, Vol. 32> Issue(7) : 565-571 DOI: 10.1088/1674-1137/32/7/011

Track reconstruction using the TSF method for the BESⅢ main drift chamber

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Abstract：
We describe the algorithm to reconstruct the charged tracks for BESⅢ main drift chamber at BEPCⅡ, including the track finding and fitting. With a new method of the Track Segment Finder (TSF), the results of present study indicate that the algorithm can reconstruct the charged tracks over a wide range of momentum with high efficiency, while improving the robustness against the background noise in the drift chamber. The overall performances, including spatial resolution, momentum resolution and secondary vertices reconstruction efficiency, etc. satisfy the requirements of BESⅢ experiment.

References

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LIU Qiu-Guang, ZANG Shi-Lei, LI Wei-Guo, MAO Ze-Pu, BIAN Jian-Ming, CAO Guo-Fu, CAO Xue-Xiang, CHEN Shen-Jian, DENG Zi-Yan, FU Cheng-Dong, GAO Yuan-Ning, HE Kang-Lin, HE Miao, HUA Chun-Fei, HUANG Bin, HUANG Xing-Tao, JI Xiao-Bin, LI Fei, LI Hai-Bo, LI Wei-Dong, LIANG Yu-Tie, LIU Chun-Xiu, LIU Huai-Min, LIU Suo, LIU Ying-Jie, MA Qiu-Mei, MA Xiang, MAO Ya-Jun, MO Xiao-Hu, PAN Ming-Hua, PANG Cai-Ying, PING Rong-Gang, QIN Gang, QIN Ya-Hong, QIU Jin-Fa, SUN Sheng-Sen, SUN Yong-Zhao, WANG Ji-Ke, WANG Liang-Liang, Track reconstruction using the TSF method for the BESⅢ main drift chamber[J]. Chinese Physics C, 2008, 32(7): 565-571. doi: 10.1088/1674-1137/32/7/011

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Received: 2007-09-27
Revised: 2007-12-12

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Track reconstruction using the TSF method for the BESⅢ main drift chamber

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Track reconstruction using the TSF method for the BESⅢ main drift chamber

Corresponding author: LIU Qiu-Guang,

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