Münster 2017 – scientific programme

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T: Fachverband Teilchenphysik

T 109: Kosmische Strahlung 7

T 109.1: Group Report

Thursday, March 30, 2017, 16:45–17:05, H 3

Measurement of forward particle production with CMS to better constrain extensive air shower simulations — •Ralf Ulrich, Sebastian Baur, Hauke Woehrmann, Melike Akbiyik, and Alaa Kuotb — Karlsruhe Institut of Technology, Germany

Recent measurements of very-forward hadronic particle production in particular also at 13TeV center-of-mass energy measured with the CMS experiment at the CERN LHC are reported. The CASTOR calorimeter is used to determine for the first time the forward energy distributions as well as jets and rapidity gaps. The data is corrected for detector effect and is compared to model predictions. The performance of the models used for the simulation of extensive air showers is reviewed and the impact of recent model-tunings is shown.