Effects of the two-color laser on relativistic muon motion  

作　　者：石春花 苏晋 周晋阳 

机构地区：[1]Department of Biomedical Engineering,Changzhi Medical College [2]Department of Physics,Changzhi Medical College

出　　处：《Nuclear Science and Techniques》2014年第2期17-25,共9页核技术（英文）

基　　金：Supported by Natural Science Foundation of Scientific and Technological Innovation Programs of Higher Education Institutions in Shanxi(No.20091025)

摘　　要：Considering the mixture after muon-catalyzed fusion(μCF) reaction as overdense plasma,we analyze muon motion in the plasma induced by a linearly polarized two-colour laser,particularly,the effect of laser parameters on the muon momentum and trajectory.The results show that muon drift along the propagation of laser and oscillation perpendicular to the propagation remain after the end of the laser pulse.Under appropriate parameters,muon can go from the skin layer into field-free matter in a time period of much less than the pulse duration.The electric-field strength ratio or frequency ratio of the fundamental to the harmonic has more influence on muon oscillation.The laser affects little on other particles in the plasma.Hence,in theory,this work can avoid muon sticking to α effectively and reduce muon-loss probability in μCF.Considering the mixture after muon-catalyzed fusion （μCF） reaction as overdense plasma, we analyze muon motion in the plasma induced by a linearly polarized two-colour laser, particularly, the effect of laser parameters on the muon momentum and trajectory. The results show that muon drift along the propagation of laser and os- cillation perpendicular to the propagation remain after the end of the laser pulse. Under appropriate parameters, muon can go from the skin layer into field-free matter in a time period of much less than the pulse duration. The electric-field strength ratio or frequency ratio of the fundamental to the harmonic has more influence on muon oscillation. The laser affects little on other particles in the plasma. Hence, in theory, this work can avoid muon sticking to c effectively and reduce muon-loss probability in μCF.

关 键 词：双色激光 运动效果 Μ介子 相对论 稠密等离子体 脉冲持续时间 线偏振光 激光参数 

分 类 号：O572.33[理学—粒子物理与原子核物理]