Statistics of clustering of ultrahigh energy cosmic rays and the number of their sources.

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ID: 93949
2000
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Abstract
Observation of clustering of ultrahigh energy cosmic rays (UHECR) suggests that they are emitted by compact sources. Assuming small ( <3 degrees ) deflection of UHECR during the propagation, the statistical analysis of clustering allows an estimate of the spatial density of the sources h(*), including those not yet observed. When applied to astrophysical models involving extragalactic sources, the estimate based on 14 events with energy E>10(20) eV gives h(*) approximately 6x10(-3) Mpc(-3). With increasing statistics, this estimate may lead to exclusion of some models.
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dubovsky2000statisticsphysical Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Dubovsky, S L;Tinyakov, P G;Tkachev, I I;
Journal physical review letters
Year 2000
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