飞秒激光场中μ子催化聚变的轨迹分析  

Trajectory Analysis of Muon Catalysed Fusion in Femto-second Laser Field

作　　者：苏晋[1] 石春花[2] 袁小燕[1] 

机构地区：[1]长治医学院基础医学部物理教研室,山西长治046000 [2]长治医学院生物医学工程系,山西长治046000

出　　处：《江汉大学学报（自然科学版）》2013年第5期48-51,共4页Journal of Jianghan University：Natural Science Edition

基　　金：山西省高校科技研究开发项目(20091025)

摘　　要：基于激光与稠密等离子体相互作用的机理,讨论了μ子催化核聚变反应后的混合物中μ子在飞秒激光场中的轨迹。将μ子催化核聚变反应后的混合物处理为稠密等离子体,随着线偏振激光的介入,μ子将进行有规律的漂移。结果显示,当激光的峰值强度为1021W/cm2时,μ子发生了较大的漂移,漂移的方向为激光的传播方向。μ子可以从混合物的表层穿透,脱离聚变产物,变成自由粒子,而这一过程所需要的时间非常短,远小于激光的一个脉冲周期。另外,相同参数激光的介入对于其他粒子的轨迹影响又非常小。在一定程度上,避免了催化剂μ子在催化核聚变反应后被α粒子捕获而失去催化的能力,提高了催化率。Based on the interaction of laser and dense plasma, discusses the trajectory of muon in mixture in femto-second laser field after muon catalysed fusion reaction. Here, deals with the mix- ture after muon catalysed fusion reaction as dense plasma, as the intervention of polarized laser beam, the muon drifts regularly. The results show that： when peak value of laser reaches 1021W/cm2, the muon has biggish drifts on the orientation of laser, it can penetrate the surface layer of the mix- ture, and separate from the fusion product, becomes to the free particle, the process is very short, much less than one laser pulse period. The same parameter laser intervention has very slight influ- ence on other particles. On certain degree, it avoids the catalyst muon being catched by a -particle after catalysed fusion reaction and loses the catalytic ability, thus improves the catalytic efficiency.

关 键 词：Μ子 激光 稠密等离子体 轨迹 

分 类 号：TL61[核科学技术—核技术及应用]