由FERMI观测的月球gamma-ray发射
Lunar gamma-ray emission observed by FERMI
摘要:
FERMI-LAT正在以前所未有的灵敏度和角分辨率进行30 MeV至300 GeV的全天伽马射线勘测。费米探测器探测到了来自月球的高能伽马射线,这些射线是由宇宙射线与月球表面相互作用产生的。EGRET先前在CGRO上观察到这种辐射,统计学显著性显著较低。我们介绍了任务前六个月的月球分析,并显示了月球伽马射线发射的图像。我们还比较了早期EGRET测量模型的通量测量。
英文摘要:
FERMI-LAT is performing an all-sky gamma-ray survey from 30 MeV to 300 GeV with unprecedented sensitivity and angular resolution. FERMI has detected high-energy gamma rays from the Moon produced by interactions of cosmic rays with the lunar surface. This radiation was previously observed by EGRET on CGRO with significantly lower statistical significance. We present the lunar analysis for the first six months of the Mission and showing images of the lunar gamma-ray emission. We also compare the flux measurements with models the earlier EGRET measurements.
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