Volume 476 - 42nd International Conference on High Energy Physics (ICHEP2024) - Detectors for Future Facilities, R&D, Novel Techniques
Analysis of Beam Background for Time Projection Chamber at the High Luminosity Z-Pole Mode
H. Qi*, J. Zhang, Y. Chang, Y. Wang, J. Wang, J. Zhang, Z. Deng, C. Liu and H. Shi
*: corresponding author
Full text: pdf
Pre-published on: January 17, 2025
Published on: April 29, 2025
Abstract
The Time Projection Chamber (TPC), recognized for its high performance and low material
budget, features a simple geometric structure and straightforward physical processing, making it
the primary tracking detector for the Circular Electron-Positron Collider (CEPC). In this study, we
focus on the beam background in the CEPC interaction region, which may affect TPC performance,
as outlined in the latest CEPC detector Technical Design Report (TDR). We employ Monte Carlo
simulations to model the beam background in the CEPC Z-pole mode, which is characterized by the
highest luminosity and poses the greatest challenge to TPC performance. Through our simulation,
we provide an optimistic assessment of the TPC’s resilience to beam-induced background effects
and discuss the implications for lower luminosity modes. This study contributes to the ongoing
optimization of the TPC design and operation, and further research is needed to investigate
backgrounds across various operational modes.
DOI: https://doi.org/10.22323/1.476.1119
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