München 2019 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 54: Poster

HK 54.16: Poster

Donnerstag, 21. März 2019, 16:30–19:00, Foyer Theresanium

Monte Carlo Templates in the Measurement of Neutral Pions with the ALICE EMCal — •Marvin Hemmer for the ALICE collaboration — Institut für Kernphysik, Goethe-Universität Frankfurt

A hot and dense medium, the so-called quark-gluon plasma (QGP), is believed to be created in ultra-relativistic heavy-ion collisions. The dedicated heavy-ion experiment ALICE at the LHC is designed to study the properties of the QGP. Measurements in pp collisions function as a baseline for the measurements in Pb-Pb collisions and further provide insights into the particle production processes. In the ALICE experiment, neutral pions (π⁰) can be measured via their two-photon decay channel, using one of the calorimeters EMCal, DCal and PHOS.

In this poster, a study of the background subtraction in the π⁰ measurement in pp collisions at √s = 13 TeV with the EMCal using Monte Carlo templates will be presented.

Supported by BMBF and the Helmholtz Association.