[2025-01-18] For better promotion of the events, the categories in this system will be adjusted. For details, please refer to the announcement of this system. The link is https://indico-tdli.sjtu.edu.cn/news/1-warm-reminder-on-adjusting-indico-tdli-categories-indico

Jul 15 – 18, 2023
Asia/Shanghai timezone

基于拓展细胞自动机重建AMS伽马宇宙线的算法研究

Jul 16, 2023, 4:10 PM
25m
数据处理与分析 Data Process & Analysis

Speaker

朝义 渠 (山东高等技术研究院)

Description

AMS运行在国际空间站上,有1.4kG的磁场和位置分辨高、物质量少的硅微条探测器,具有精确测量伽马射线的能力和探测伽马射线极化的潜力。本报告通过采用拓展细胞自动机的方法,针对高能光子在AMS探测器的响应进行优化,构建了通过正负电子对测量高能伽马射线的通用算法。新算法实现了在TOF上转换的伽马重建效率在200MeV从46%提高到了82%,1GeV从78%提高到了92%。在L2转换的伽马射线重建效率在200MeV从39%提高到了81%,1GeV从74%提高到了94%。

Primary author

朝义 渠 (山东高等技术研究院)

Presentation materials