Zhang Rui, Xiao Dong, An Fenfen, Gao Yuanning, He Kanglin, Ji Xiaobin, Jin Shan, Li Weidong, Li Weiguo, Liu Huaimin, Liu Kai, Shen Xiaoyan, Wang Yifang, Wu Linghui, Xu Qingnian, Yuan Ye, Zhang Yao, Zhao Guang, Zheng Yangheng
Based on real data, a new parameterized model of the Main Drift Chamber response is proposed. In this model, we tune the ratio of good hits and the residual distribution separately. The difference between simulation and data in track reconstruction efficiency reduces from 1% to 0.5%, and the momentum resolution agreement improves significantly.
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http://arxiv.org/abs/1304.6149
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