1305.0895 (Changli Ma et al.)

An extended segment pattern dictionary for pattern matching tracking
algorithm at BESIII    [PDF]

Changli Ma, Yao Zhang, Ye Yuan, Xiao-Rui LU, Yangheng Zheng, Kanglin He, Weidong Li, Huaiming Liu, Qiumei Ma, Linghui Wu

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 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.

View original: http://arxiv.org/abs/1305.0895