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Analysis of Forbush decrease of 18 February 2011 in muon flux

机译:μon通量2011年2月18日前冲量减少的分析

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Results of the study of var variations of cosmic ray muon flux iations during Forbush decrease of 18 February 2011 detected by means of muon hodoscope URAGAN are presented presented. The dependence of the decrease amplit amplitude on the ude primary particle energy in the region above 10 GeV is obtained from the muon flux angular distribution. The changes of this dependence at different temporal stages of the Forbush decrease are analysed. On the basis of two two-dimensional angular var variations of iations muon flux, the values of horizontal projection of local anisotropy vector and unique "muon images" of modulation of cosmic rays are obtained obtained. Parameters of physical processes in the heliosphere during this Forbush decrease are discussed discussed.
机译:提出了用URAGAN介子镜检测2011年2月18日Forbush减少期间宇宙射线μ子通量变化的var变化的研究结果。从μ子通量角度分布可以得出安培振幅降低幅度在10 GeV以上的区域中的初级粒子能量的依赖性。分析了Forbush减少的不同时间阶段的这种依存关系的变化。基于离子μ子通量的两个二维角变量,获得了局部各向异性矢量的水平投影值和宇宙射线调制的唯一“μ子像”。讨论了这次Forbush减少过程中日球层物理过程的参数。

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