利用阻性板探测器测量宇宙射线μ子的径迹

Track of muons detected by resistive plate chambers

阻性板探测器具有时间分辨好、稳定性高以及造价低等优点.将阻性板探测器平台引入实验教学中,设计了基于多层阻性板探测器的实验平台,调试气路,选择合适的参量,设置电路时序逻辑,用示波器直观显示宇宙射线μ子在气体介质中的径迹为直线,体现了μ子具有强穿透性.通过对实验数据进行处理,重建了μ子运动径迹,计算出一维位置分辨.

The resistive plate chamber has the advantages of good time resolution,long time stability and low cost.The platform of resistive plate detector was introduced into experimental teaching,and an experimental platform based on multilayer resistance-plate detector was designed.By adjusting the gas path,selecting appropriate parameters and setting circuit timing logic,the path of muons in gas medium was directly shown by oscilloscope,the tracks of which were straight lines.It showed that muons had strong penetration.Through the processing of experimental data,the track of muon could be reconstructed,and position resolution could be calculated.