Abstract
Abstract
Background
The Cylindrical Gas Electron Multiplier Inner Tracker (CGEM-IT) is one of the candidates for the replacement of the current BESIII inner drift chamber, which has developed serious aging effects due to beam-related backgrounds.
Purpose
To build a full digitization model, it is necessary to understand the electron drift behavior and signal induction.
Methods
A simulation study based on Garfield++ and ANSYS software has been performed.
Results
Parameters describing the Lorentz angle, diffusion effect, drift time, multiplication, and induction are obtained from the Garfield++ simulation. Based on these results, a preliminary digitization model is implemented in the BESIII offline software system.
Funder
National Natural Science Foundation of China
National Key Basic Research Program of China
Chinese Academy of Sciences (CAS) President’s International Fellowship Initiative
European Commission
National 1000 Talents Program of China
U. S. Department of Energy
Publisher
Springer Science and Business Media LLC
Subject
Nuclear Energy and Engineering,Nuclear and High Energy Physics
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