Abstract

In this study, we use Monte Carlo method to conduct simulation research on a time projection chamber (TPC) which used for fission cross-section measurement. Based on Garfield, SRIM, COMSOL and other platforms and software, we explore the physical process during its actual operation, and analyze the simulation data. We carry out α particle track measurement experiments with U-235 ultra-thin target, and the measured results are in good agreement with the simulation results. This paper focuses on the simulation and reconstruction of particle tracks at different emission angles, and introduces the concept of ballistic deficit to correct the experimental measurement results. The corrected 2D distribution of particle track length and energy is closer to the theoretical model than the uncorrected distribution.

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