Statistics of clustering of ultrahigh energy cosmic rays and the number of their sources.
作者： S. L. Dubovsky , P. G. Tinyakov , I. I. Tkachev
DOI: 10.1103/PHYSREVLETT.85.1154
关键词: Astronomy 、 Cosmic microwave background 、 Cluster analysis 、 Cosmological model 、 Statistics 、 Astrophysics 、 Physics 、 Cosmic ray 、 Ultra-high-energy cosmic ray 、 Ultrahigh energy 、 Energy spectrum
摘要: Observation of clustering ultrahigh energy cosmic rays (UHECR) suggests that they are emitted by compact sources. Assuming small ( 10(20) eV gives h(*) approximately 6x10(-3) Mpc(-3). With increasing statistics, this estimate may lead to exclusion some models.
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