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Extragalactic radiation and the ultra-high-energy cosmic-ray spectrumThe effect of extragalactic microwave and submillimeter-radiation fields on the ultrahigh-energy cosmic-ray spectrum is reexamined. It is found that the general characteristics of the spectrum can be derived from fairly simple analytical arguments. It is shown that the various spectral features obtained by numerical calculations can be explored by simpler and more general means. This approach is illustrated using a newly derived lifetime-energy relation based on the new submillimeter observations.
Document ID
19900029280
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Stecker, F. W.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Date Acquired
August 14, 2013
Publication Date
November 23, 1989
Publication Information
Publication: Nature
Volume: 342
ISSN: 0028-0836
Subject Category
Space Radiation
Accession Number
90A16335
Distribution Limits
Public
Copyright
Other

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