KASCADE measurements of energy spectra for elemental groups of cosmic rays: Results and open problems
By K. C. T. Antoni, et al. 2005
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Abstract A composition analysis of KASCADE air shower data is performed by means of unfolding the two-dimensional frequency spectrum of electron and muon numbers. Aim of the analysis is the determination of energy spectra for elemental groups representing the chemical composition of primary cosmic rays. Since such an analysis depends crucially on simulations of air showers the two different hadronic interaction models QGSJet and SIBYLL are used for their generation. The resulting primary energy spectra show that the knee in the all particle spectrum is due to a steepening of the spectra of light elements but, also, that neither of the two simulation sets is able to describe the measured data consistently over the whole energy range with discrepancies appearing in different energy regions.
Subfields: Nuclear and High Energy Physics
View Paper: https://www.semanticscholar.org/paper/fc3d9cb3847e31bc04b617610867193e6f0ac524
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In Nuclear and High Energy Physics
Citations in the corpus
- The All-Particle Spectrum of Primary Cosmic Rays in the Wide Energy Range from 1014 to 1017 eV Observed with the Tibet-III Air-Shower Array (2008, methodology): “On the contrary, the KASCADE using electron-muon size analysis (Antoni et al. 2005) claims that the knee in the all-particle spectrum is due to the steepening of the spectra of light elements with exponential type cutoff.”
- SPECTRUM OF GALACTIC COSMIC RAYS ACCELERATED IN SUPERNOVA REMNANTS (2010, background): “It may explain why the protons do not dominate in the cosmic-ray composition at the knee (Antoni et al. 2005; Budnev et al. 2007).”