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          Institute: MPI für Kernphysik     Collection: High-Energy Astrophysics     Display Documents

ID: 33030.0, MPI für Kernphysik / High-Energy Astrophysics
The composition of cosmic rays at the knee
Authors:Swordy, S. P.; Fortson, L. F.; Hinton, J.; Horandel, J.; Knapp, J.; Pryke, C. L.; Shibata, T.; Wakely, S. P.; Cao, Z.; Cherry, M. L.; Coutu, S.; Cronin, J.; Engel, R.; Fowler, J. W.; Kampert, K. H.; Kettler, J.; Kieda, D. B.; Matthews, J.; Minnick, S. A.; Moiseev, A.; Muller, D.; Roth, M.; Sill, A.; Spiczak, G.
Date of Publication (YYYY-MM-DD):2002-10
Title of Journal:Astroparticle Physics
Journal Abbrev.:Astropart Phys.
Issue / Number:2
Start Page:129
End Page:150
Review Status:Peer-review
Audience:Experts Only
Abstract / Description:The observation of a small change in spectral slope, or 'knee' in the fluxes of cosmic rays near energies 10(15) eV has caused much speculation since its discovery over 40 years ago. The origin of this feature remains unknown. A small workshop to review some modern experimental measurements of this region was held at the Adler Planetarium in Chicago, USA in June 2000. This paper summarizes the results presented at this workshop and the discussion of their interpretation in the context of hadronic models of atmospheric air showers. (C) 2002 Elsevier Science B.V. All rights reserved.
Free Keywords:cosmic rays; knee; energy spectrum; composition; Cherenkov
External Publication Status:published
Document Type:Article
Affiliations:MPI für Kernphysik/Group H. J. Völk/High Energy Astrophysics (F. Aharonian)
MPI für Kernphysik/Group W. Hofmann/Experimental High-Energy Astrophysics (M. Panter, G. Hermann)
External Affiliations:Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA; Adler Planetarium & Astron Museum, Dept Astron, Chicago, IL 60605, USA; Univ Karlsruhe, Inst Expt Kernphys, D-76021 Karlsruhe, Germany; Univ Leeds, Dept Phys & Astron, Leeds LS2 9JT, W Yorkshire, England; Aoyama Gakuin Univ, Dept Phys, Tokyo 1578572, Japan; Univ Utah, Dept Phys, High Energy Astrophys Lab, Salt Lake City, UT 84112 USA; Louisiana State Univ, Dept Phys & Astron, Baton Rouge, LA 70803 USA; Penn State Univ, Dept Phys, University Pk, PA 16802 USA; Univ Delaware, Bartol Res Inst, Newark, DE 19716 USA; Princeton Univ, Dept Phys, Princeton, NJ 08544 USA; NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA; Texas Tech Univ, Dept Phys, Lubbock, TX 79409 USA
Identifiers:ISI:000178668900001 [ID No:1]
ISSN:0927-6505 [ID No:2]
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