Münster 2017 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 27: Poster

HK 27.17: Poster

Tuesday, March 28, 2017, 16:45–18:45, F Foyer

Quality Assurance of π⁰ Measurements with the ALICE EMCal — •Joshua Koenig for the ALICE collaboration — Institut für Kernphysik, Goethe-Universität Frankfurt

ALICE, as the dedicated heavy-ion experiment at the LHC, is designed to investigate the properties of the quark-gluon plasma (QGP), that is believed to be produced in the Pb-Pb collision system at high center of mass energies. The suppression of neutral pion (π⁰) production in Pb-Pb collisions compared to pp collisions reveals information about energy loss mechanisms in the QGP.
The EMCal detector, one of the electromagnetic calorimeters of the experiment, measures the energy and position of photons and therewith allows to reconstruct neutral pions via their two photon decay channel.
In this poster the status of an analysis of π⁰ in Pb-Pb collisions at √s_nn = 5.02 TeV with the EMCal will be presented. The determination of the data quality, focusing on the detector channels, and the extraction of the raw π⁰ yield will be discussed in detail.
Supported by BMBF and the Helmholtz Association.