银河系中心区域0.1<E<10 EeV宇宙射线各向异性的可能性
A search for possible anisotropies of cosmic rays with 0.1<E<10 EeV in the region of the Galactic Centre
摘要:
我们提出了更新的结果,在银河系中心(GC)的方向上的能量范围内的各向异性搜索:0.1<E<1 EeV和1<E<10 EeV。我们使用的数据从皮埃尔俄歇天文台到2007年3月。因此,目前的分析是基于比我们以前发表的结果更大的数据集。对来自GC处的假设点状中子源的通量施加1<E<10 EeV的限制,并且还执行了对扩展过量的搜索。
英文摘要:
We present updated results for anisotropy searches in the direction of the Galactic Center (GC) at energies in the ranges: 0.1<E<1 EeV and 1<E<10 EeV. We use data from the Pierre Auger Observatory up to March, 2007. Present analyzes are therefore based on a substantially larger data set than our previous published results. A limit on the flux coming from a hypothetical point-like neutron source at the GC for 1<E<10 EeV was imposed, and searches for extended excesses were also performed.
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