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Properties of Elementary Particle Fluxes in Primary Cosmic Rays Measured with the Alpha Magnetic Spectrometer on the ISS （国际空间站上阿尔法磁谱仪测量的宇宙射线中基本粒子能谱的性质）
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Asia/Shanghai
B326 (IHEP)
B326
IHEP
Description
Abstract:
The fluxes and flux ratios of charged elementary particles in cosmic rays are presented in the absolute rigidity range from 1 up to 2000 GV. Of particular interest is the energy dependance of the positron flux, which clearly shows the existence of the new source of high energy cosmic ray positrons. In the absolute rigidity range ∼60 to ∼500 GV, the antiproton, proton, and positron fluxes are found to have nearly identical rigidity dependence and the electron flux exhibits different rigidity dependence.
报告将介绍国际空间站上的阿尔法磁谱仪(AMS-02)实验，及宇宙射线中基本带电粒子 在绝对磁刚度（动量与电荷之比）1GV 到 2000GV 之间流强与流强之比的测量结果。 其中正电子能谱表明明显的存在着新的高能正电子的来源。在绝对磁刚度约 60GV 至 500GV 之间，反质子、质子和正电子的流强展示出几乎一致的磁刚度依赖关系，而电 子流强则显示出不一样的磁刚度依赖关系。
Speaker: Senquan Lu
The speaker has stationed at CERN to work on the data analysis of the AMS-02 experiment since 2014. His major work is the precision measurement of the cosmic ray helium flux and the search of rare particles in the cosmic rays.
卢森泉，2014 年本科毕业于中山大学物理学院后，博士阶段常驻于欧洲核子研究中心 参与 AMS-02 实验的数据分析工作，主要工作为宇宙射线氦核流强的精确测量和稀有 粒子的搜寻。
