Preparation of enriched cosmic ray mass groups with KASCADE

Details Preparation of enriched cosmic ray mass groups with KASCADE Preparation of enriched cosmic ray mass groups with KASCADE

2003-03-04

arxiv.org/abs/astro-ph/0303070v1

Astropart.Phys. 19 (2003) 715-728

Astronomy and Astrophysics

Astrophysics

20 pages, accepted for publication in Astroparticle Physics

Scientific paper

The KASCADE experiment measures a high number of EAS observables with a large degree of sampling of the electron-photon, muon, and hadron components. It provides accurate data for an event-by-event analysis of the primary cosmic ray flux in the energy range around the knee. The possibility of selecting samples of enriched proton and iron induced extensive air showers by applying the statistical techniques of multivariate analyses is scrutinized using detailed Monte Carlo simulations of three different primaries. The purity and efficiency of the proton and iron classified events is investigated. After obtaining enriched samples from the measured data by application of the procedures the reconstructed number of hadrons, hadronic energy and other parameters are investigated in the primary energy range 1-10 PeV. By comparing these shower parameters for purified proton and iron events, respectively, with simulated distributions an attempt is made to check the validity of strong interaction models at high energies.

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