摘要
利用TMVA(Toolkit for Multivariate Analysis)软件包提供的似然函数法进行了多参量分析,实现了对γ和强子簇射的分辨。测试结果表明,利用上述方法,在对强子簇射的排斥率达到75%的条件下,对γ簇射的挑选率可达85%。
Multi-variant analysis is performed with TMVA(Toolkit for Multivariate Analysis)program to separate the γ-initiated and hadron-initiated showers.From the test,we found that the efficiency for selecting the γ-initiated showers can reach 85% while rejecting more than 75% of the hadron-initiated showers.
出处
《新乡学院学报》
2010年第1期19-21,35,共4页
Journal of Xinxiang University
关键词
甚高能
广延大气簇射
特征量
击中数
似然函数
VHE(very high energy)
extended atmosphere shower
characteristic quantities
hit
likelihood