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arXiv 0706.1256astro-ph
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在皮埃尔俄歇天文台用单粒子技术寻找伽马射线暴

Search for Gamma Ray Bursts using the single particle technique at the Pierre Auger Observatory

X. Bertou

摘要:

皮埃尔·俄歇天文台目前拥有1200多个切伦科夫探测器阵列,其中装满了12 m $^3$的水,可以探测到伽马射线暴的假定高能发射(光子下降到几百MeV)通过所谓的“单粒子技术”,通过在整个阵列上的平均背景粒子率的相干增加,这是由于光子引发的簇射中的次级粒子。我们提出了一个搜索自2005年9月以来收集的数据上的爆发,以及搜索与卫星观测到的爆发巧合的过度。

英文摘要:

The Pierre Auger Observatory, with an array of currently more than 1200 Cherenkov detectors filled with 12 m$^3$ of water, can detect the putative high energy emission of a GRB (photons down to a few hundreds of MeV) by the so-called ``single particle technique'', through a coherent increase in the average background particle rates over the whole array, due to secondary particles in the photon-induced showers. We present a search for bursts on data collected since September 2005, as well as a search for excesses in coincidence with bursts observed by satellites.

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