Astronomy and Astrophysics – Astrophysics
Scientific paper
2008-03-20
Astropart.Phys.30:219-233,2008
Astronomy and Astrophysics
Astrophysics
30 pages elsart, 18 figures; discussion extended, tables and references added, figures improved, typos corrected; final versio
Scientific paper
10.1016/j.astropartphys.2008.09.
A new calculation of the atmospheric fluxes of cosmic-ray hadrons and muons in the energy range 10-10^5 GeV has been performed for the set of hadron production models, EPOS 1.6, QGSJET II-03, SIBYLL 2.1, and others that are of interest to cosmic ray physicists. The fluxes of secondary cosmic rays at several levels in the atmosphere are computed using directly data of the ATIC-2, GAMMA experiments, and the model proposed recently by Zatsepin and Sokolskaya as well as the parameterization of the primary cosmic ray spectrum by Gaisser and Honda. The calculated energy spectra of the hadrons and muon flux as a function of zenith angle are compared with measurements as well as other calculations. The effect of uncertainties both in the primary cosmic ray flux and hadronic model predictions on the spectra of atmospheric hadrons and muons is considered.
Kochanov A. A.
Sinegovskaya T. S.
Sinegovsky Sergei I.
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