Purpose The end cap time of flight(TOF)at Beijing spectrometer was upgraded with multi-gap resistive plate chamber technology in order to improve the particle identification capability in 2015.The offline data quality...Purpose The end cap time of flight(TOF)at Beijing spectrometer was upgraded with multi-gap resistive plate chamber technology in order to improve the particle identification capability in 2015.The offline data quality monitoring is a critical aspect of the data processing chain aiming at providing data with good quality for physics analyses.Methods An offline data quality monitoring tool for upgraded end cap TOF has been developed to provide feedback about the functioning and performance of detector hardware and data processing chain.Results Detector information and reconstructed time-of-flight characteristics of charged tracks are filled into plots using full Bhabha events reconstruction results,and then,these plots are used to assess the operational conditions of the detector and the quality of the data by the experts.Conclusion This paper is describing the design and the content of performance of the offline data quality monitoring of end cap TOF and the data quality performance achieved during last 2 years’physical data taking.展开更多
Background It is imperative that high-quality data should be accumulated to guarantee the correctness and accuracy of physics results in particle physics experiments.The top-up injection of BEPCII has achieved a defini...Background It is imperative that high-quality data should be accumulated to guarantee the correctness and accuracy of physics results in particle physics experiments.The top-up injection of BEPCII has achieved a definite improvement in integrated luminosity,but simultaneously has an obvious impact on the background level of the data acquired by the BESIII detector due to frequent beam injections.Methods An online trigger veto and an offline eventfilter have been developed and applied to eliminate the contaminated events from the data samples for physics research.Results and Conclusion The design and implementation of offline eventfilter are described in this article.The upgraded offline data processing procedure with offline eventfilter was executed smoothly in recent years and ensured data acquisition and processing with optimal efficiency and sufficient quality in BESIII experiment.展开更多
Background The end-cap time-of-flight(TOF)at Beijing Spectrometer was upgraded with multi-gap resistive plate chamber technology in order to improve the particle identification capability in 2015.The offline data qual...Background The end-cap time-of-flight(TOF)at Beijing Spectrometer was upgraded with multi-gap resistive plate chamber technology in order to improve the particle identification capability in 2015.The offline data quality monitoring(ODQM)is a critical aspect of the data processing chain aiming at providing data with good quality for physics analyses.Method An ODQM tool for upgraded end-cap TOF has been developed to provide feedback about the functioning and performance of detector hardware and data processing chain.Detector information and reconstructed time-of-flight characteristics of charged tracks are filled into plots using full Bhabha events’reconstruction results,and then,these plots are used to assess the operational conditions of the detector and the quality of the data by the experts.Result This paper describes the design and the content of performance of the ODQM of end-cap TOF and the data quality performance achieved during the last 2-year physical data taking.展开更多
Correction to:Radiation Detection Technology and Methods(2019)3:58 https://doi.org/10.1007/s41605-019-0132-0;(2021)5:207–212 https://doi.org/10.1007/s41605-021-00251-y The articles https://doi.org/10.1007/s41605-019-...Correction to:Radiation Detection Technology and Methods(2019)3:58 https://doi.org/10.1007/s41605-019-0132-0;(2021)5:207–212 https://doi.org/10.1007/s41605-021-00251-y The articles https://doi.org/10.1007/s41605-019-0132-0,https://doi.org/10.1007/s41605-021-00251-y have been inadvertently got published twice and were included in Volume 3 Issue 4(2019),Volume 5 issue 2(2021)Both articles are similar and the Publisher apologizes to the authors and readers for the inconvenience caused by this error.展开更多
基金Supported in part by National Natural Science Foundation of China(11575225,11875277,U1232201,11605220,U1832204)National Key Basic Research Program of China(2015CB856700)Chinese Academy of Sciences(1G201331231172010).
文摘Purpose The end cap time of flight(TOF)at Beijing spectrometer was upgraded with multi-gap resistive plate chamber technology in order to improve the particle identification capability in 2015.The offline data quality monitoring is a critical aspect of the data processing chain aiming at providing data with good quality for physics analyses.Methods An offline data quality monitoring tool for upgraded end cap TOF has been developed to provide feedback about the functioning and performance of detector hardware and data processing chain.Results Detector information and reconstructed time-of-flight characteristics of charged tracks are filled into plots using full Bhabha events reconstruction results,and then,these plots are used to assess the operational conditions of the detector and the quality of the data by the experts.Conclusion This paper is describing the design and the content of performance of the offline data quality monitoring of end cap TOF and the data quality performance achieved during last 2 years’physical data taking.
基金supported in part by National Key R&D Program of China under Contract No.2020YFA0406304National Natural Science Foundation of China(NSFC)under Contracts Nos.U1832204,11875277,11575222.
文摘Background It is imperative that high-quality data should be accumulated to guarantee the correctness and accuracy of physics results in particle physics experiments.The top-up injection of BEPCII has achieved a definite improvement in integrated luminosity,but simultaneously has an obvious impact on the background level of the data acquired by the BESIII detector due to frequent beam injections.Methods An online trigger veto and an offline eventfilter have been developed and applied to eliminate the contaminated events from the data samples for physics research.Results and Conclusion The design and implementation of offline eventfilter are described in this article.The upgraded offline data processing procedure with offline eventfilter was executed smoothly in recent years and ensured data acquisition and processing with optimal efficiency and sufficient quality in BESIII experiment.
基金National Natural Science Foundation of China(11575225,11875277,U1232201,11605220,U1832204)National Key Basic Research Program of China(2015CB856700)Chinese Academy of Sciences(1G201331231172010).
文摘Background The end-cap time-of-flight(TOF)at Beijing Spectrometer was upgraded with multi-gap resistive plate chamber technology in order to improve the particle identification capability in 2015.The offline data quality monitoring(ODQM)is a critical aspect of the data processing chain aiming at providing data with good quality for physics analyses.Method An ODQM tool for upgraded end-cap TOF has been developed to provide feedback about the functioning and performance of detector hardware and data processing chain.Detector information and reconstructed time-of-flight characteristics of charged tracks are filled into plots using full Bhabha events’reconstruction results,and then,these plots are used to assess the operational conditions of the detector and the quality of the data by the experts.Result This paper describes the design and the content of performance of the ODQM of end-cap TOF and the data quality performance achieved during the last 2-year physical data taking.
文摘Correction to:Radiation Detection Technology and Methods(2019)3:58 https://doi.org/10.1007/s41605-019-0132-0;(2021)5:207–212 https://doi.org/10.1007/s41605-021-00251-y The articles https://doi.org/10.1007/s41605-019-0132-0,https://doi.org/10.1007/s41605-021-00251-y have been inadvertently got published twice and were included in Volume 3 Issue 4(2019),Volume 5 issue 2(2021)Both articles are similar and the Publisher apologizes to the authors and readers for the inconvenience caused by this error.
