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KASCADE-Grande energy spectrum of cosmic rays interpreted with post-LHC hadronic interaction models

Aug 1, 2015, 3:30 PM
Amazon Foyer (World Forum)

Amazon Foyer

World Forum

Churchillplein 10 2517 JW Den Haag The Netherlands
Board: 208
Poster contribution CR-EX Poster 2 CR


Mario Bertaina (Univ. & INFN Torino)


Previous results obtained by KASCADE-Grande using QGSjetII-02, EPOS1.99 and SIBYLL hadronic interaction models have shown that the energy spectrum of cosmic rays between 10^16 eV and 10^18 eV exhibits a significant hardening at approximately 2 x 10^16 eV, a slight but statistically significant steepening close to 10^17 eV, the `knee', caused by the heavy component of primary cosmic rays, and an 'ankle' like feature of the light component just above 10^17 eV. In this paper, we report on results of similar analyses performed using the post-LHC versions of these models: QGSJetII-04 and EPOS-LHC.
Registration number following "ICRC2015-I/" 314
Collaboration KASCADE-Grande

Primary author

Mario Bertaina (Univ. & INFN Torino)

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