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4. Time calibration for the end cap TOF system of BESIII

Author

He Kang-Lin, Liu Yong, Ma Xiang, Zhao Lei, Heng Yuekun, Yang Gui-An, Liu Fang, Liu Shu-Dong, Dai Hong-Liang, Zhang Xiao-Jie, Mao Ze-Pu, Wu Jinjie, Sun Sheng-Sen, Guo Jianhua, Zhao Chuan, An Qi, Li Cheng, Li Wei-Dong, Shao Ming, Liu Shubin, Chen Hongfang, Sun Yong-Jie, Huang Yan-Ping, Liu Huai-Min, Zuo Jia-Xu, Feng Chang-Qing, Sun Zhijia, Li Xiu-Rong, Huang Ya-Qi, and Zhu Xing-Wang

Subjects
Physics, Nuclear and High Energy Physics, Muon, Physics::Instrumentation and Detectors, business.industry, Astronomy and Astrophysics, Time resolution, Kalman filter, Electron, Optics, Nuclear magnetic resonance, Calibration, business, Instrumentation, Pulse height
Abstract

The time calibration for end cap TOF system of BESIII is studied in this paper. It has achieved about 110 ps time resolution for muons in dimu events. The pulse height correction using electronic scan curve and the predicted time calculated using Kalman filter method are introduced. This paper also describes the study of using electrons and muons as calibration samples.

Published
2011

5. Calibration of RPC-based muon detector at BESIII

Author

Liu Chun-Xiu, Liu Qiu-Guang, Huang Xing-Tao, Wu Ling-Hui, Wen Shuo-Pin, Ma Xiang, Cao Xue-Xiang, He Kang-Lin, Zhang Jian-Yong, Yuan Chang-Zheng, Chen Shen-Jian, Sun Sheng-Sen, Yan Liang, Liu Huai-Min, Li Hai-Bo, Zhang Chang-Chun, Zou Jia-Heng, Li Fei, Cao Guo-Fu, Wang Liang-Liang, Zhu Ke-Jun, Sun Yong-Zhao, Ma Qiu-Mei, Zheng Yang-Heng, Qiu Jin-Fa, You Zheng-Yun, Ping Rong-Gang, Pang Cai-Ying, Zhu Zhi-Li, Fu Cheng-Dong, Liu Ying-Jie, Mao Ze-Pu, Hua Chun-Fei, Zhang Xue-Yao, Liang Yu-Tie, Xu Min, Mao Ya-Jun, He Miao, Zhang Jia-Wen, Pan Ming-Hua, Gao Yuan-Ning, Wang Ji-Ke, Qin Ya-Hong, Li Wei-Dong, Huang Bin, Xie Yu-Guang, Zhang Bing-Yun, Yuan Ye, Zhu Yong-Sheng, Deng Zi-Yan, Ji Xiao-Bin, Liu Suo, Mo Xiao-Hu, Bian Jian-Ming, and Zhang Yao

Subjects
Physics, Nuclear and High Energy Physics, Physics::Instrumentation and Detectors, Calibration (statistics), Calibration Error, Monte Carlo method, Detector, ComputingMethodologies_IMAGEPROCESSINGANDCOMPUTERVISION, Astrophysics::Instrumentation and Methods for Astrophysics, Astronomy and Astrophysics, Cosmic ray, Noise (electronics), Nuclear physics, Reliability (semiconductor), ComputerApplications_MISCELLANEOUS, Instrumentation, Algorithm, Muon detector
Abstract

The calibration algorithm for RPC-based union detector at BESIII has been developed. The calibration method, calibration error and algorithm performance are studied. The primary results of efficiency and noise at layer, module and strip levels have been calibrated with cosmic ray data. The calibration constants are available for simulation and reconstruction timing. The results of Monte Carlo and data are also compared to check the validation and reliability of the algorithm.

Published
2010

6. BESIII track fitting algorithm

Author

You Zheng-Yun, Zhang Yao, Qiu Jin-Fa, Li Fei, Li Bai-Bo, Mao Ya-Jun, Huang Xing-Tao, Zhang Bing-Yun, Ping Rong-Gang, Yuan Ye, Sun Sheng-Sen, Liu Chun-Xiu, Yan Liang, Xie Yu-Guang, Wen Shuo-Pin, Zhu Yong-Sheng, Wang Liang-Liang, Sun Yong-Zhao, Zhu Ke-Jun, Pan Ming-Hua, Zheng Yang-Heng, Ma Xiang, Deng Zi-Yan, Zhang Jian-Yong, Zhang Chang-Chun, Qin Ya-Hong, Chen Shen-Jian, Fu Cheng-Dong, Liu Ying-Jie, Mao Ze-Pu, Hua Chun-Fei, Pang Cai-Ying, Ma Qiu-Mei, Wang Ji-Ke, Zou Jia-Heng, Mo Xiao-Hu, He Kang-Lin, Zhang Xue-Yao, Ji Xiao-Bin, Li Wei-Dong, Cao Guo-Fu, Wu Ling-Hui, Yuan Chang-Zheng, Cao Xue-Xiang, Liu Suo, Huang Bin, Zhu Zhi-Li, Bian Jian-Ming, Xu Min, Gao Yuan-Ning, Liang Yu-Tie, He Miao, and Liu Huai-Min

Subjects
Physics, Nuclear and High Energy Physics, Energy loss, Scattering, Track (disk drive), Detector, Fitting algorithm, Astronomy and Astrophysics, Kalman filter, Instrumentation, Algorithm, Charged particle, Magnetic field
Abstract

A track fitting algorithm based on the Kalman filter method has been developed for BESIII of BEPCII. The effects of multiple scattering and energy loss when the charged particles go through the detector, non-uniformity of magnetic field (NUMF) and wire sag, etc., have been carefully handled. This algorithm works well and the performance satisfies the physical requirements tested by the simulation data.

Published
2009

7. Study of BESIII MUC offline software with cosmic-ray data

Author

Ji Xiao-Bin, Sun Sheng-Sen, Gao Yuan-Ning, Mao Ya-Jun, Han Shao-Qing, Yan Jie, Zhang Xue-Yao, Zhang Chang-Chun, Huang Xing-Tao, Sun Yong-Zhao, Wen Shuo-Pin, Zhang Yao, You Zheng-Yun, Cao Xue-Xiang, Wang Liang-Liang, Hu Xiao-Wei, Zhu Yong-Sheng, Ning Fei-Peng, Zhang Jian-Yong, Mo Xiao-Hu, Han Lei, Fu Cheng-Dong, Yan Liang, Li Hai-Bo, Qiu Jin-Fa, Liu Yong, Ma Xiang, Wu Ling-Hui, Mao Ze-Pu, Tian Hao-Lai, Xu Min, Yao Jian, Liu Huai-Min, He Kang-Lin, Ping Rong-Gang, Deng Zi-Yan, Song Wen-Bo, Bian Jian-Ming, Xie Yu-Guang, Liang Yu-Tie, Liu Ying, Yuan Chang-Zheng, Wu Zhi, Yuan Ye, Luo Tao, Liu Bei-Jiang, Cao Guo-Fu, Sun Xiao-Dong, Zou Jia-Heng, He Miao, Huang Bin, Wang Ji-Ke, Jia Lu-Kui, Hu Jifeng, Liu Chun-Xiu, Ma Qiu-Mei, Chen Shen-Jian, Lu Qi-Wen, Zhang Lei, Zheng Yang-Heng, and Li Wei-Dong

Subjects
Physics, Nuclear and High Energy Physics, Muon, Physics::Instrumentation and Detectors, business.industry, Astrophysics::High Energy Astrophysical Phenomena, Detector, Experimental data, Astronomy and Astrophysics, Cosmic ray, Tracking (particle physics), Nuclear physics, Software, Calibration, business, Instrumentation, Algorithm, Design values
Abstract

Cosmic-ray data of 90 M events have been collected and used for calibration, alignment as well as detector tuning. A special tracking algorithm for the BESIII muon counter is developed and verified with Monte-Carlo simulation and then further confirmed with the cosmic-ray data. The obtained strip resolutions are in good agreement with the design values. A new alignment approach for the BESIII muon counter is confirmed with the cosmic-ray data and proposed to be used in future analysis of experimental data.

Published
2009

8. Software alignment of the BESIII main drift chamber using the Kalman Filter method

Author

He Kang-Lin, Zhang Xue-Yao, Qiu Jin-Fa, Huang Xing-Tao, Yuan Chang-Zheng, Yan Liang, Li Hai-Bo, Ping Rong-Gang, Li Fei, Cao Xue-Xiang, Zou Jia-Heng, Ma Qiu-Mei, Wang Liang-Liang, Chen Shen-Jian, Fu Cheng-Dong, Sun Sheng-Sen, Liu Ying-Jie, Wen Shuo-Pin, Zhu Ke-Jun, Mao Ze-Pu, Hua Chun-Fei, Pan Ming-Hua, Gao Yuan-Ning, Zhang Chang-Chun, Zhu Zhi-Li, Mao Ya-Jun, Wang Ji-Ke, Sun Yong-Zhao, Huang Bin, Zhang Jian-Yong, Ma Xiang, Wu Ling-Hui, Pang Cai-Ying, Qin Ya-Hong, Cao Guo-Fu, Liu Chun-Xiu, You Zheng-Yun, Xu Min, Liang Yu-Tie, He Miao, Liu Huai-Min, Zheng Yang-Heng, Li Wei-Dong, Ji Xiao-Bin, Zhang Bing-Yun, Liu Suo, Bian Jian-Ming, Yuan Ye, Mo Xiao-Hu, Zhu Yong-Sheng, Xie Yu-Guang, Zhang Yao, and Deng Zi-Yan

Subjects
Physics, Nuclear and High Energy Physics, Momentum (technical analysis), business.industry, Detector, Astronomy and Astrophysics, Kalman filter, Tracking (particle physics), Data type, Software, Position (vector), business, Instrumentation, Algorithm
Abstract

Software alignment is quite important for a tracking detector to reach its ultimate position accuracy and momentum resolution. We developed a new alignment algorithm for the BESIII Main Drift Chamber using the Kalman Filter method. Two different types of data which are helix tracks and straight tracks are used to test this algorithm, and the results show that the design and implementation is successful.

Published
2009

9. Determination of event start time at BESIII

Author

Wen Shuo-Pin, Ji Xiao-Bin, He Miao, Zhang Jian-Yong, Liu Suo, Qiu Jin-Fa, Li Wei-Dong, Qin Gang, Ping Rong-Gang, Zheng Yang-Heng, Huang Xing-Tao, Gao Yuan-Ning, He Kang-Lin, You Zheng-Yun, Ma Qiu-Mei, Zang Shi-Lei, Mao Ya-Jun, Zhang Yao, Sun Sheng-Sen, Cao Guo-Fu, Fu Cheng-Dong, Liu Ying-Jie, Zou Jia-Heng, Liu Huai-Min, Yan Liang, Huang Bin, Wang Liang-Liang, Zhu Ke-Jun, Li Hai-Bo, Zhang Chang-Chun, Yuan Chang-Zheng, Sun Yong-Zhao, Xu Min, Mo Xiao-Hu, Zhu Zhi-Li, Wu Ling-Hui, Pang Cai-Ying, Ma Xiang, Mao Ze-Pu, Hua Chun-Fei, Liu Chun-Xiu, Xie Yu-Guang, Pan Ming-Hua, Chen Shen-Jian, Zhang Bing-Yun, Liu Qiu-Guang, Yuan Ye, Wang Ji-Ke, Yu Guo-Wei, Zhang Xue-Yao, Cao Xue-Xiang, Bian Jian-Ming, Qin Ya-Hong, Zhu Yong-Sheng, Deng Zi-Yan, and Liang Yu-Tie

Subjects
Physics, Nuclear and High Energy Physics, Noise, Monte Carlo method, Code (cryptography), Word error rate, Astronomy and Astrophysics, Start time, Noise level, Instrumentation, Algorithm, Event (probability theory)
Abstract

The principle of the method for the BESIII event start time determination and the code construction are described. The investigation of influence of the noise, the method of rejecting noise and the performance checking by the Monte Carlo physics data sample are also presented. The preliminary results got from the Monte Carlo simulation are presented, the reconstruction efficiency of J/ψ → anything events at noise level 0~60% can achieve above 99%, and the error rate is below 1%.

Published
2008

10. Study of the online event filtering algorithm for BESIII

Author

Ji Xiao-Bin, Liu Suo, Huang Bin, Sun Yong-Zhao, Zou Jia-Heng, Liang Yu-Tie, Qin Ya-Hong, Zhang Bing-Yun, Yuan Ye, He Miao, Wu Ling-Hui, Li Wei-Dong, Huang Xing-Tao, Xie Yu-Guang, Qin Gang, Fu Cheng-Dong, Liu Ying-Jie, Ma Xiang, Pang Cai-Ying, Li Fei, Mao Ya-Jun, Liu Qiu-Guang, Liu Huai-Min, Pan Ming-Hua, Mo Xiao-Hu, Zheng Yang-Heng, Wang Ji-Ke, Yu Guo-Wei, Bian Jian-Ming, You Zheng-Yun, Cao Xue-Xiang, Zhu Yong-Sheng, Yan Liang, Qiu Jin-Fa, Li Hai-Bo, Ping Rong-Gang, Deng Zi-Yan, Mao Ze-Pu, Hua Chun-Fei, Wang Liang-Liang, Zhu Ke-Jun, Zhang Yao, He Kang-Lin, Sun Sheng-Sen, Zhang Xue-Yao, Yuan Chang-Zheng, Zhang Chang-Chun, Liu Chun-Xiu, Xu Min, Wen Shuo-Pin, Zhang Jian-Yong, Cao Guo-Fu, Ma Qiu-Mei, Zhu Zhi-Li, Gao Yuan-Ning, and Chen Shen-Jian

Subjects
Physics, Nuclear and High Energy Physics, Data acquisition, Trigger rate, Event (relativity), Astronomy and Astrophysics, Instrumentation, Algorithm
Abstract

The results of a study of event tagging strategies for elementary physics processes in the τ-charm region are presented. The algorithm for online event filtering is optimized by adopting the information provided by different sub-detectors according to their strengths and capacities. The algorithm is tested with various generated physics and background events. The results indicate that the algorithm satisfies the requirements of BESIII physics analysis and its DAQ system.

Published
2008

11. Energy loss correction for a crystal calorimeter

Author

Cao Guo-Fu, Zhu Yong-Sheng, He Miao, Deng Zi-Yan, Liu Huai-Min, He Kang-Lin, Xie Yu-Guang, Yuan Chang-Zheng, You Zheng-Yun, Wang Liang-Liang, Zhang Xue-Yao, Ma Qiu-Mei, Mao Ze-Pu, Yang Ming, Mo Xiao-Hu, Li Wei-Dong, Ji Xiao-Bin, Wang Ji-Ke, Yu Guo-Wei, Mao Ya-Jun, Liu Chun-Xiu, Zang Shi-Lei, Sun Sheng-Sen, Zhang Chang-Chun, Bian Jian-Ming, Zhang Yao, Wen Shuo-Pin, Li Hai-Bo, Zhang Jian-Yong, Zheng Zhi-Peng, Sun Yong-Zhao, Huang Bin, Wu Ling-Hui, Qiu Jin-Fa, Wang Yi-Fang, Zou Jia-Heng, Zhang Ling, Yuan Ye, Ma Xiang, and Li Gang

Subjects
Physics, Nuclear and High Energy Physics, Energy loss, Photon, Calorimeter (particle physics), Physics::Instrumentation and Detectors, business.industry, High Energy Physics::Phenomenology, Detector, Resolution (electron density), Astronomy and Astrophysics, Crystal, Nuclear physics, Optics, Calibration, Nuclear Experiment, business, Instrumentation, Energy (signal processing)
Abstract

Material effect of inner-detectors on the performances of the BESIII Electromagnetic Calorimeter (EMC) is investigated. The BESIII Time-Of-Flight counters (TOF) have been utilized to improve the energy resolution and detection efficiency for photons after a careful energy calibration. A matching algorithm between TOF and EMC energy deposits is developed, and the effects of beam-related background are discussed. The energy resolution is improved and the photon detection efficiency can be increased by the combined measurement of EMC and TOF detectors.

Published
2008

12. Particle identification using artificial neural networks at BESIII

Author

Ji Xiao-Bin, Wu Ling-Hui, Sun Yong-Zhao, Zou Jia-Heng, He Kang-Lin, Yuan Ye, Li Hai-Bo, Yuan Chang-Zheng, Wen Shuo-Pin, Huang Bin, Mo Xiao-Hu, Sun Sheng-Sen, Liu Huai-Min, Zhang Jian-Yong, He Miao, Li Gang, Cao Guo-Fu, Xie Yu-Guang, Zhang Ling, Zhang Chang-Chun, Zhang Yao, Zhu Yong-Sheng, Mao Ze-Pu, Zhang Xue-Yao, Zang Shi-Lei, Bian Jian-Ming, Deng Zi-Yan, Wang Ji-Ke, Yu Guo-Wei, Liu Chun-Xiu, You Zheng-Yun, Wang Liang-Liang, Qiu Jin-Fa, Ma Qiu-Mei, Lü Jun-Guang, Ma Xiang, Yang Ming, Li Wei-Dong, Qin Gang, and Mao Ya-Jun

Subjects
Physics, Nuclear and High Energy Physics, Artificial neural network, Physics::Instrumentation and Detectors, business.industry, Monte Carlo method, Astronomy and Astrophysics, Pattern recognition, Perceptron, Particle identification, High Energy Physics::Experiment, Artificial intelligence, Types of artificial neural networks, business, Instrumentation, Computer Science::Cryptography and Security
Abstract

A multilayered perceptrons' neural network technique has been applied in the particle identification at BESIII. The networks are trained in each sub-detector level. The NN output of sub-detectors can be sent to a sequential network or be constructed as PDFs for a likelihood. Good muon-ID, electron-ID and hadron-ID are obtained from the networks by using the simulated Monte Carlo samples.

Published
2008

13. Radiation studies for the MOMENT target station

Author

Xu, Qing-Nian, primary, Tong, Jian-Fei, additional, Vassilopoulos, Nikolaos, additional, Cao, Jun, additional, He, Miao, additional, Hou, Zhi-Long, additional, Jing, Han-Tao, additional, Liu, Huai-Min, additional, Lü, Xiao-Rui, additional, Tang, Jing-Yu, additional, Yuan, Ye, additional, Zhao, Guang, additional, and Zheng, Yang-Heng, additional

Published
2016
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15. Study of cluster reconstruction and track fitting algorithms for CGEM-IT at BESIII

Author

Guo, Yue, primary, Wang, Liang-Liang, additional, Ju, Xu-Dong, additional, Wu, Ling-Hui, additional, Xiu, Qing-Lei, additional, Wang, Hai-Xia, additional, Dong, Ming-Yi, additional, Hu, Jing-Ran, additional, Li, Wei-Dong, additional, Li, Wei-Guo, additional, Liu, Huai-Min, additional, Ou-Yang, Qun, additional, Shen, Xiao-Yan, additional, Yuan, Ye, additional, and Zhang, Yao, additional

Published
2016
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16. Calibration study of the X-T relation for the BESIII drift chamber

Author

Kang, Xiao-Lin, primary, Wu, Ling-Hui, additional, Wu, Zhi, additional, Luo, Tao, additional, Hu, Chen, additional, Wang, Hai-Xia, additional, Fang, Shuang-Shi, additional, He, Kang-Lin, additional, Li, Wei-Dong, additional, Li, Wei-Guo, additional, Liu, Huai-Min, additional, Mao, Ze-Pu, additional, Wang, Liang-Liang, additional, Yuan, Ye, additional, and Zhang, Yao, additional

Published
2015
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19. Improvement of main drift chamber Monte-Carlo tuning model at BESIII

Author

Zhang, Rui, primary, Xiao, Dong, additional, An, Fen-Fen, additional, Gao, Yuan-Ning, additional, He, Kang-Lin, additional, Ji, Xiao-Bin, additional, Jin, Shan, additional, Li, Wei-Dong, additional, Li, Wei-Guo, additional, Liu, Huai-Min, additional, Liu, Kai, additional, Shen, Xiao-Yan, additional, Wang, Yi-Fang, additional, Wu, Ling-Hui, additional, Xu, Qing-Nian, additional, Yuan, Ye, additional, Zhang, Yao, additional, Zhao, Guang, additional, and Zheng, Yang-Heng, additional

Published
2014
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21. Time calibration for the end cap TOF system of BESIII

Author

Zhao, Chuan, primary, Sun, Sheng-Sen, additional, Li, Cheng, additional, Zhang, Xiao-Jie, additional, He, Kang-Lin, additional, An, Qi, additional, Chen, Hong-Fang, additional, Dai, Hong-Liang, additional, Feng, Chang-Qing, additional, Heng, Yue-Kun, additional, Huang, Ya-Qi, additional, Huang, Yan-Ping, additional, Guo, Jian-Hua, additional, Li, Wei-Dong, additional, Li, Xiu-Rong, additional, Liu, Fang, additional, Liu, Huai-Min, additional, Liu, Shu-Bin, additional, Liu, Shu-Dong, additional, Liu, Yong, additional, Ma, Xiang, additional, Mao, Ze-Pu, additional, Shao, Ming, additional, Sun, Yong-Jie, additional, Sun, Zhi-Jia, additional, Wu, Jin-Jie, additional, Yang, Gui-An, additional, Zhao, Lei, additional, Zhu, Xing-Wang, additional, and Zuo, Jia-Xu, additional

Published
2011
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22. Studies of d E /d x measurements with the BESIII

Author

Cao, Xue-Xiang, primary, Li, Wei-Dong, additional, Liu, Chun-Lei, additional, Mao, Ze-Pu, additional, Chen, Shen-Jian, additional, Deng, Zi-Yan, additional, He, Kang-Lin, additional, Huang, Xing-Tao, additional, Huang, Bin, additional, Huang, Yan-Ping, additional, Jia, Lu-Kui, additional, Ji, Xiao-Bin, additional, Li, Xiu-Rong, additional, Liu, Chun-Yan, additional, Liu, Huai-Min, additional, Ma, Qiu-Mei, additional, Ma, Xiang, additional, Qiu, Jin-Fa, additional, Wang, Da-Yong, additional, Wu, Ling-Hui, additional, Wu, Zhi, additional, Yuan, Ye, additional, Zhang, Xue-Yao, additional, Zhao, Chuan, additional, Zhang, Yao, additional, and Zou, Jia-Heng, additional

Published
2010
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23. Study of low momentum track reconstruction for the BESIII main drift chamber

Author

Jia, Lu-Kui, primary, Mao, Ze-Pu, additional, Li, Wei-Dong, additional, Cao, Guo-Fu, additional, Cao, Xue-Xiang, additional, Deng, Zi-Yan, additional, He, Kang-Lin, additional, Liu, Chun-Yan, additional, Liu, Huai-Min, additional, Liu, Qiu-Guang, additional, Ma, Qiu-Mei, additional, Ma, Xiang, additional, Qiu, Jin-Fa, additional, Tian, Hao-Lai, additional, Wang, Ji-Ke, additional, Wu, Ling-Hui, additional, Yuan, Ye, additional, Zang, Shi-Lei, additional, Zhang, Chang-Chun, additional, Zhang, Lei, additional, Zhang, Yao, additional, Zhu, Kai, additional, and Zou, Jia-Heng, additional

Published
2010
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25. Studies of dE/dx measurements with the BESIII.

Author

Cao Xue-Xiang, Li Wei-Dong, Briere, Roy A., Liu Chun-Lei, Mao Ze-Pu, Chen Shen-Jian, Deng Zi-Yan, He Kang-Lin, Huang Xing-Tao, Huang Bin, Huang Yan-Ping, Jia Lu-Kui, Ji Xiao-Bin, Li Xiu-Rong, Liu Chun-Yan, Liu Huai-Min, Ma Qiu-Mei, Ma Xiang, Qiu Jin-Fa, and Wang Da-Yong

Published
2010
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