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Implementation and verification of the CEPC baseline tracker using a modern track reconstruction software

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Abstract

Purpose

A high-performance tracking system will be crucial for the realization of the full physics potential of the Circular Electron Positron Collider (CEPC) project. A baseline tracker has been proposed in the Conceptual Design Report and requires detailed studies of the layout geometry and comprehensive understanding of its tracking performance.

Methods

A Common Tracking Software (ACTS) is an experiment-independent software package and introduced for the track reconstruction for particle and nuclear physics experiments. The CEPC baseline tracker geometry has been implemented in ACTS, and its tracking performance has been evaluated with the provided track finding and fitting algorithms based on the truth tracking method.

Results and Conclusion

The tracking geometry implemented in ACTS, including the sensitive elements and simplified material distribution, has been validated. The track parameter resolutions obtained with ACTS are consistent with the full simulation results over the momentum range under investigation. ACTS has proven to be an excellent platform for the tracking performance evaluation and the tracker layout optimization.

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Acknowledgements

The work is supported by the National Natural Science Foundation of China (Grant No. 11905237). The authors would like to thank the ACTS developer group for their technical support.

Author information

Authors and Affiliations

  1. Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, China

    Yebo Chen, Gang Li, Linghui Wu & Shuiting Xin

  2. University of Chinese Academy of Sciences, Beijing, 100049, China

    Yebo Chen & Shuiting Xin

  3. Deutsches Elektronen-Synchrotron (DESY), Notkestrasse 85, 22607, Hamburg, Germany

    Yubo Han

  4. School of Science, Shenzhen Campus of Sun Yat-sen University, Shenzhen, 518107, China

    Jin Zhang

  5. School of Physics, Zhejiang University, Hangzhou, 310058, China

    Hongbo Zhu

Authors
  1. Yebo Chen
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  2. Yubo Han
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  3. Gang Li
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  4. Linghui Wu
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  5. Shuiting Xin
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  6. Jin Zhang
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  7. Hongbo Zhu
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Corresponding author

Correspondence to Jin Zhang.

Additional information

National Natural Science Foundation of China (Grant No. 11905237).

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Chen, Y., Han, Y., Li, G. et al. Implementation and verification of the CEPC baseline tracker using a modern track reconstruction software. Radiat Detect Technol Methods 7, 392–398 (2023). https://doi.org/10.1007/s41605-023-00405-0

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  • DOI: https://doi.org/10.1007/s41605-023-00405-0

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