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Type: Artigo de periódico
Title: Composition of primary cosmic rays beyond the ''knee'' from emulsion chamber observations
Author: Costa, CGS
Halzen, F
Bellandi, J
Salles, C
Abstract: We show that the simplest assumptions for the dynamics of particle production allow us to understand the fluxes of hadrons and photons at mountain altitudes as well as the structure of individual events. The. analysis requires a heavy nuclear component of primary cosmic rays above the ''knee'' in the spectrum with an average mass number [A] = 7.3+/-0.9.
Country: EUA
Editor: American Physical Soc
Rights: aberto
Identifier DOI: 10.1103/PhysRevD.54.5558
Date Issue: 1996
Appears in Collections:Unicamp - Artigos e Outros Documentos

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