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Search for ultra high energy cosmic ray sources

机译:寻找超高能宇宙射线源

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Earlier we suggested a new method to search for sources and anisotropy of the arrival directions of ultra high energy particles. Here using this method we analyzed the data of the Yakutsk EAS array and found that particle fluxes with energies E < 4.1019?eV come to the Earth from our Galaxy and the arrival directions of particles correlate with known pulsars. The chance probability of correlating particles with pulsars and the anisotropy of the distribution of particles is 10?4–10?5. We also analyzed the Telescope Array (TA) data with energies E < 4.1019?eV by our method and found that the maximum of the distribution of particles points to extragalactic sources but the direction of the maximum does not coincide with the maximum direction of the distribution of particles found by the authors of the Telescope Array data (the maximums of the arrival directions received by two different methods of analyses differ by about 10%).
机译:早些时候,我们提出了一种新的方法来搜索超高能粒子的来源和到达方向的各向异性。在这里,我们使用这种方法分析了雅库茨克EAS阵列的数据,发现能量E <4.1019?eV的粒子通量从银河系到达地球,并且粒子的到达方向与已知的脉冲星相关。使粒子与脉冲星相关的机会概率以及粒子分布的各向异性为10?4–10?5。我们还通过我们的方法分析了能量4.1019?eV的望远镜阵列(TA)数据,发现粒子分布的最大值指向银河外源,但最大方向与最大分布方向不一致望远镜阵列数据作者发现的粒子数量(两种不同分析方法收到的到达方向的最大值相差约10%)。

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