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T: Fachverband Teilchenphysik
T 5: Teilchenphysik mit kosmischer Strahlung
T 5.5: Talk
Monday, March 24, 2014, 12:00–12:15, P5
p-O@LHC and Ultra-High Energy Cosmic Rays — •Tanguy Pierog1, David Berge1, Ralph Engel2, David Salek2, and Ralf Ulrich1 — 1KIT, IKP, Karlsruhe, Germamy — 2University of Amsterdam/NIKHEF, Amsterdam, Netherlands
The interpretation of EAS measurements strongly depends on detailed air shower simulations. The main source of uncertainty in the prediction of shower observables for different primary particles and energies being currently dominated by differences between hadronic interaction models, two models, EPOS and QGSJETII, have been updated taking into account LHC data. The performance of the new EPOS LHC and QGSJETII-04 models in comparison to LHC data is discussed and the impact on standard air shower observables derived. Then we will show that proton-Oxygen collisions at LHC would have actually a larger impact to improve air shower simulations than an increase of the beam energy.