Hamburg 2016 – scientific programme

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T: Fachverband Teilchenphysik

T 34: Starke Wechselwirkung (Experiment) II

T 34.5: Talk

Monday, February 29, 2016, 17:45–18:00, VMP8 SR 206

Measurement of the very-forward energy spectrum in pp collisions at √s=13 TeV with CMS — •Sebastian Baur, Melike Akbiyik, Colin Baus, Igor Katkov, Ralf Ulrich, and Hauke Wöhrmann — Karlsruher Institut für Technologie

The energy spectrum dN/dE in pp collisions at a centre-of-mass energy of √s=13 TeV is measured with the CASTOR calorimeter of CMS at pseudorapidities −5.2 > η > −6.6. The spectrum of the total energy, as well as the hadronic and electromagnetic energy, is presented and compared to models used to describe high-energy hadronic interactions. The performance also of model used to describe ultra-high energy cosmic ray air showers is tested and the possible impact of the measurement on the air shower development is illustrated.