The Fermi Space Telescope is so sensitive to these gamma ray bursts that it doesn't even need to be positioned right over a thunderstorm to detect the TGFs.
费米太空望远镜对这些伽马射线脉冲很灵敏,以至于它甚至不需要调整位置对准雷暴的正上方,就能来探测TGF信号。
The Hubble Space Telescope captured this image of a gamma ray explosion on January 23, 1999.
哈勃望远镜捕捉到的这张照片显示的是1999年1月23日伽马射线爆炸的景象。
The Hubble Space Telescope captured this image of a gamma ray explosion on January 23, 1999. At the time it was the most powerful explosion ever recorded.
哈勃望远镜捕捉到的这张照片显示的是1999年1月23日伽马射线爆炸的景象。这是当时人们纪录过的最大规模的一次伽马射线爆炸。
We use EGS4 code to simulate the electron-gamma shower of high-energy electrons in a medium, optimize target thickness, and analyze positron distributions in phase space.
首先使用程序包EGS4 ,对高能电子在介质中的电磁级联过程进行了模拟,优化了靶厚度,讨论了影响打靶产额的因素。
We use EGS4 code to simulate the electron-gamma shower of high-energy electrons in a medium, optimize target thickness, and analyze positron distributions in phase space.
首先使用程序包EGS4 ,对高能电子在介质中的电磁级联过程进行了模拟,优化了靶厚度,讨论了影响打靶产额的因素。
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