Application of SNiPER framework to BESIII physics analysis

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Xin Xia, Teng Li, Xing-Tao Huang and Xue-Yao Zhang. Application of SNiPER framework to BESIII physics analysis[J]. Chinese Physics C, 2017, 41(5): 056202. doi: 10.1088/1674-1137/41/5/056202
Xin Xia, Teng Li, Xing-Tao Huang and Xue-Yao Zhang. Application of SNiPER framework to BESIII physics analysis[J]. Chinese Physics C, 2017, 41(5): 056202.  doi: 10.1088/1674-1137/41/5/056202 shu
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Received: 2016-12-12
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    Supported by Joint Large-Scale Scientific Facility Funds of the NSFC and CAS (U1532258), Program for New Century Excellent Talents in University (NCET-13-0342) and Shandong Natural Science Funds for Distinguished Young Scholar (JQ201402), National Key Basic Research Program of China under Contract (2015CB856700).

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Application of SNiPER framework to BESIII physics analysis

    Corresponding author: Xin Xia,
    Corresponding author: Teng Li,
    Corresponding author: Xing-Tao Huang,
  • 1. Shandong University (SDU), Jinan, Shandong 250100, China
Fund Project:  Supported by Joint Large-Scale Scientific Facility Funds of the NSFC and CAS (U1532258), Program for New Century Excellent Talents in University (NCET-13-0342) and Shandong Natural Science Funds for Distinguished Young Scholar (JQ201402), National Key Basic Research Program of China under Contract (2015CB856700).

Abstract: A fast physics analysis framework has been developed based on SNiPER to process the increasingly large data sample collected by BESIII. In this framework, a reconstructed event data model with SmartRef is designed to improve the speed of Input/Output operations, and necessary physics analysis tools are migrated from BOSS to SNiPER. A real physics analysis e+e- +π+π-J/ψ is used to test the new framework, and achieves a factor of 10.3 improvement in Input/Output speed compared to BOSS. Further tests show that the improvement is mainly attributed to the new reconstructed event data model and the lazy-loading functionality provided by SmartRef.

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