Improvement of Main Drift Chamber Monte-Carlo tuning model at BESIII
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
TL;DR
This paper presents a new parameterized model for the BESIII Main Drift Chamber response, improving simulation accuracy by tuning hit ratios and residuals, leading to better track reconstruction and momentum resolution.
Contribution
A novel parameterized model for the Main Drift Chamber response that enhances Monte Carlo simulation accuracy at BESIII.
Findings
Track reconstruction efficiency difference reduced from 1% to 0.5%.
Momentum resolution agreement significantly improved.
Enhanced simulation fidelity based on real data.
Abstract
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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Taxonomy
TopicsMagnetic confinement fusion research · Nuclear Physics and Applications · Nuclear reactor physics and engineering