Simulation of a gas electron multiplier using a PIC-MCC model

YANG Lanlan TU Yan ZHANG Panpan QIN Nana CAI Guolong CHEN Zhongshan MA Shanle

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Simulation of a gas electron multiplier using a PIC-MCC model

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- Simulation of a gas electron multiplier using a PIC-MCC model
- NUCLEAR TECHNIQUES Vol. 34, Issue 7, (2011)
- 作者机构：
  
  东南大学电子科学与工程学院
- 作者简介：
- 基金信息：
  
  国家自然科学基金(50907009,60871015)资助;国家863计划(2008AA03A308)
- DOI：
  CLC： TL811
- Published：01 July 2011
- 稿件说明：
移动端阅览
[1]杨兰兰,屠彦,张盼盼,秦娜娜,蔡国龙,陈仲珊,马善乐.基于粒子-蒙特卡洛模型的气体电子倍增探测器的研究[J].核技术,2011,34(07):543-548.

YANG Lanlan TU Yan ZHANG Panpan QIN Nana CAI Guolong CHEN Zhongshan MA Shanle. Simulation of a gas electron multiplier using a PIC-MCC model[J]. Nuclear techniques, 2011, 34(7): 543-548.
[1]杨兰兰,屠彦,张盼盼,秦娜娜,蔡国龙,陈仲珊,马善乐.基于粒子-蒙特卡洛模型的气体电子倍增探测器的研究[J].核技术,2011,34(07):543-548. DOI：

YANG Lanlan TU Yan ZHANG Panpan QIN Nana CAI Guolong CHEN Zhongshan MA Shanle. Simulation of a gas electron multiplier using a PIC-MCC model[J]. Nuclear techniques, 2011, 34(7): 543-548. DOI：

摘要

采用粒子-蒙特卡罗模型（Particle in Cell-Monte Carlo Collision

PIC-MCC）对气体电子倍增探测器（Gas electron multiplier

GEM）的倍增放大过程进行了模拟

这对更好的理解和把握GEM的物理机理具有重要的意义。在电场分析的基础上

从GEM空间粒子数和粒子的空间分布随时间的变化分析GEM的倍增过程

并建立GEM增益和各边界层收集到的电子个数之间的关系。研究结果为进一步利用该模型对GEM优化结构、选择工作参数及探讨物理机理建立了基础。

Abstract

In this paper

a particle in cell-Monte Carlo collision model is used to investigate the process of electron avalanches in gas electron multiplier(GEM)

which is of great benefit to understand the GEM physics mechanism.Based on analysis of the electric field effect

electron avalanches are investigated with the time-related particle numbers and distributions in the GEM space.The relations between the GEM gain and the particle numbers deposited on the boundaries are analyzed

too.The simulation results lay the foundation for optimizing the GEM structures

working conditions based on PIC-MCC model.

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