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May 8 – 12, 2023
Norfolk Waterside Marriott
US/Eastern timezone

Offline Data Processing Software for the Super Tau Charm Facility

May 9, 2023, 2:45 PM
Hampton Roads Ballroom VI (Norfolk Waterside Marriott)

Hampton Roads Ballroom VI

Norfolk Waterside Marriott

235 East Main Street Norfolk, VA 23510
Oral Track 3 - Offline Computing Track 3 - Offline Computing


Li, Teng (Shandong University)


The Super Tau Charm Facility (STCF) proposed in China is a new-generation electron–positron collider with center-of-mass energies covering 2-7 GeV and a peak luminosity of 5*10^34 cm^-2s^-1. The offline software of STCF (OSCAR) is developed to support the offline data processing, including detector simulation, reconstruction, calibration as well as physics analysis. To meet STCF’s specific requirements, OSCAR is designed and developed based on the SNiPER framework, a lightweight common software for HEP experiments. Besides the commonly used software such as Geant4 and ROOT, several state-of-art software and tools in the HEP community are incorporated as well, such as the Detector Description Toolkit (DD4hep), the plain-old-data I/O (Podio) and Intel Thread Building Blocks (TBB) etc.

This contribution will present the overall design of OSCAR, and in particular, the following topics will be highlighted.
1. The design of the Event Data Model based on Podio, and the implementation of the data management system, via the integration of Podio and SNiPER.
2. The parallelized data processing based on SNiPER and TBB, and in particular, the design of GlobalStore based on the Podio EventStore to support concurrent data access and data I/O.
3. The geometry management system based on DD4hep that provides consistent geometry for detector simulation, calibration, reconstruction and detector visualization.
4. Automated software validation system that supports validation at multiple levels ranging from unit test to physical validation.

Currently, OSCAR is fully functioning to facilitate the conceptual design of the STCF detector and the physics potential study. Meanwhile, OSCAR can also provide a potential solution for other lightweight HEP experiments as well.

Consider for long presentation Yes

Primary authors

Li, Teng (Shandong University) Ai, Xiaocong (Zhengzhou University) Mr Huang, Wenhao (Shandong University) HUANG, Xingtao (Shandong University) Li, He (University of science and technology of China) Dr Liu, Dong (University of Science and Technology of China)

Presentation materials

Peer reviewing