TeV γ暴搜寻中最优窗口角半径的探讨

High Energy Physics and Nuclear Physics(2004)

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Abstract
作为搜寻TeV γ暴最主要的观测手段--广延大气簇射阵列,其阵列角分辨值常用于确定搜寻窗口的大小.为了在一个合理大小的窗口内对TeV γ暴进行搜寻,本文从理论上推导出一个统计意义上的最优窗口角半径,然后用Monte Carlo方法进行了模拟验证.结合入射信号强度、背景强度、计算显著性的不同方法等因素,进一步对窗口角半径进行了讨论.并在小统计情况下,给出了计算显著性的经验公式.
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Key words
gamma ray bursts(GRBs), angular radius, Monte Carlo method, significance, angular resolution
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