Wuppertal 2015 – scientific programme
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T: Fachverband Teilchenphysik
T 25: Kosmische Strahlung II
T 25.8: Talk
Monday, March 9, 2015, 18:30–18:45, I.13.65 (HS 26)
Impact of LHC data on the interpretation of Λη measured from air-shower fluctuations — •Alaa Kuotb Awad, Sebastian Baur, Melike Akbiyik, Colin Baus, Igor Katkov, Ralf Ulrich, and Hauke Woehrmann for the Pierre Auger collaboration — KIT, Karlsruhe,Germany
It is demonstrated how LHC data is used to improve interaction models. The impact on the interpretation of air-showers measurements is shown. An updated version of the conversion factor from Λη to σp−air is determined. The model-related uncertainties are reduced with the new interaction models, which results in more precise proton-air cross section measurements obtained from UHECR data.