Journal article
New physics from ultrahigh energy cosmic rays
- Abstract:
- Observations of cosmic rays with energies above ~ 4 x 10^{10} GeV have inspired several speculative suggestions concerning their origin. The crucial question is whether or not the spectrum exhibits the expected `GZK cutoff' at this energy -- concerning which there are presently contradictory results. If there is indeed a cutoff, then the sources are cosmologically distant and rather exotic in nature. If there is no cutoff then new physics is required.
- Publication status:
- Published
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Authors
Bibliographic Details
- Journal:
- Acta Phys.Polon.B
- Volume:
- 35
- Issue:
- 1
- Pages:
- 351-364
- Publication date:
- 2003-12-16
- ISSN:
-
0587-4254
- URN:
-
uuid:0acd81c5-ff10-46d7-b94c-613be931f6c9
- Source identifiers:
-
180126
- Local pid:
- pubs:180126
Terms of use
- Copyright date:
- 2003
- Notes:
-
12 pages; invited talk at the XXXIII International Symposium on
Multiparticle Dynamics, Krakow, 2003
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