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HK: Fachverband Physik der Hadronen und Kerne
HK 48: Poster
HK 48.24: Poster
Wednesday, March 25, 2015, 17:00–19:00, C/Foyer
Charged particle production under EMCal trigger condition with ALICE — •Patrick Huhn — Institut für Kernphysik, Goethe-Universität Frankfurt
The ALICE experiment at the LHC is designed to study the properties of the Quark-Gluon-Plasma (QGP).
The measured transverse momentum (pT) distribution in heavy ion collisions can be compared to that measured in pp collisions in terms of the nuclear modification factor (RAA).
The minimum bias pp reference at √s=2.76 TeV and therefore RAA in Pb-Pb collisions are currently limited in their pT range to pT=50 GeV/c. To extend the pT distribution to higher pT (pT > 50 GeV/c), triggers can be used.
We present an analysis of the cross section of inclusive charged particles in pp collisions as a function of pT with a selection on deposited energy in the electromagnetic calorimeter (EMCal). Results based on a Toy Monte Carlo simulation including realistic EMCal geometry and acceptance to evaluate trigger biases are presented.
Supported by BMBF and the Helmholtz Association.