Darmstadt 2016 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 56: Heavy Ion Collision and QCD Phases XI

HK 56.6: Vortrag

Donnerstag, 17. März 2016, 17:45–18:00, S1/01 A01

Neutral Meson Measurements using Conversions in Proton-Proton Collisions at √s=8 TeV in ALICE — •Nicolas Schmidt for the ALICE collaboration — Physikalisches Institut, Heidelberg University

The ALICE detector is dedicated to study the properties of the Quark-Gluon-Plasma (QGP), which is created in Pb-Pb collisions at high energies. The spectra in pp-collisions are used to obtain a baseline of hadron production for heavy ion collisions. This work focuses on the neutral mesons and the measurement via the two photon decay channel. The photons are reconstructed through their conversions in the detector material. For this, the ALICE Inner Tracking System (ITS) and the Time Projection Chamber (TPC) are mainly used. The status of the analysis of neutral mesons in pp-collisions at √s=8 TeV will be presented. Step by step, the signal extraction and applied efficiency correction will be explained. Final results are discussed and put into context with measurements at lower energies.