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Münster 2017 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 27: Poster

HK 27.21: Poster

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

Measurement of Neutral Pions in pp collisions at s= 5.02 TeV with the ALICE DCAL. — •Adrian Mechler for the ALICE collaboration — Institut für Kernphysik, Goethe-Universität Frankfurt

The ALICE experiment investigates the properties of the quark-gluon plasma (QGP) which is believed to be produced in Pb-Pb collisions at high collision energies. Hadron production measurements in pp collisions provide information about particle production through QCD processes. Furthermore, they provide an important baseline for heavy-ion collisions.

This analysis focuses on the measurement of neutral pions (π0) which are reconstructed via their dominant two photon decay. In the ALICE experiment, the calorimeters are used to measure the position and energy of these photons: During the long shutdown one (LS1) the DCAL calorimeter has been added to the central barrel of the experiment and complements measurements by the EMCal and PHOS detectors.

We will present the status of an ongoing π0 analysis in pp collisions at √s=5.02 TeV with the DCAL calorimeter. Different analysis steps such as the Bad Channel Map and yield extraction will be discussed. Supported by BMBF and the Helmholtz Association.

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