Ultrahigh–Energy Cosmic‐Ray Propagation in the Galaxy: Clustering versus Isotropy | Zendy

J. Álvarez-Muñiz | Zendy; Ralph Engel | Zendy; T. Stanev | Zendy

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Ultrahigh–Energy Cosmic‐Ray Propagation in the Galaxy: Clustering versus Isotropy

Author(s) -

J. Álvarez-Muñiz,

Ralph Engel,

T. Stanev

Publication year - 2002

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/340232

Subject(s) - cosmic ray , physics , astrophysics , cluster analysis , galaxy , ultra high energy cosmic ray , limiting , isotropy , cosmic cancer database , astronomy , statistics , optics , mechanical engineering , engineering , mathematics

Recently the AGASA Collaboration presented data suggesting a significantclustering of ultra-high energy cosmic rays coming from the outer Galaxyregion. In this paper we calculate expected cosmic ray arrival distributionsfor several simple, limiting source location scenarios and investigate thepossibility of clustering and correlation effects. The role of the Galacticmagnetic field is discussed in detail.Comment: 33 pages, 21 figures (5 in color), 2 table

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