A test of the hadronic interaction model EPOS with air shower data

W.D. Apel,J. C. Arteaga,F. Badea,K. Bekk,M. Bertaina,J. Blümer,H. Bozdog,I.M. Brancus,M. Brüggemann,P. Buchholz,E. Cantoni,A. Chiavassa,F. Cossavella,K. Daumiller,V. de Souza,F. Di Pierro,P. Doll,R. Engel,J. Engler,M. Finger,D. Fuhrmann,P. L. Ghia,H.J. Gils,R. Glasstetter,C. Grupen,A. Haungs,D. Heck,J.R. Hörandel,T. Huege,P. G. Isar,K.-H. Kampert,D. Kang,D. Kickelbick,H.O. Klages,Y. Kolotaev,P. Luczak,H.J. Mathes,H.J. Mayer,J. Milke,B. Mitrica,C. Morello,G. Navarra,S. Nehls,J. Oehlschläger,S. Ostapchenko,S. Over,M. Petcu,T. Pierog,H. Rebel,M. Roth,H. Schieler,F.G. Schröder,O. Sima,M. Stümpert,G. Toma,G.C. Trinchero,H. Ulrich,J. van Buren,W. Walkowiak,A. Weindl,J. Wochele,M. Wommer,J. Zabierowski

A test of the hadronic interaction model EPOS with air shower data

2009

Predictions of the hadronic interaction model EPOS 1.61 as implemented in the air shower simulation program CORSIKA are compared to observations with the KASCADE experiment. The investigations reveal that the predictions of EPOS are not compatible with KASCADE measurements. The discrepancies seen are most likely due to use of a set of inelastic hadronic cross sections that are too high.

Keywords:

Particle physics
Physics
Hadron
Air shower
KASCADE
Interaction model
Nuclear physics

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