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16 April 2024 |
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Large-Angular-Scale Clustering as a Clue to the Source of UHECR | | Andreas A. Berlind
; Glennys R. Farrar
; | | Date: |
16 Oct 2007 | | Abstract: | We show that future Ultra-High Energy Cosmic Ray samples should be able to
distinguish whether the sources of UHECRs are hosted by galaxy clusters or
ordinary galaxies, or whether the sources are uncorrelated with the large-scale
structure of the universe. Moreover, this is true independently of arrival
direction uncertainty due to magnetic deflection or measurement error. The
reason for this is the simple property that the strength of large-scale
clustering for extragalactic sources depends on their mass, with more massive
objects, such as galaxy clusters, clustering more strongly than lower mass
objects, such as ordinary galaxies. | | Source: | arXiv, 0710.3042 | | Services: | Forum | Review | PDF | Favorites | |
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