Frankfurt 2014 – wissenschaftliches Programm
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HK: Fachverband Physik der Hadronen und Kerne
HK 41: Schwerionenkollisionen und QCD Phasen
HK 41.6: Vortrag
Donnerstag, 20. März 2014, 15:30–15:45, HZ 6
Measurement of low-mass dielectrons in p–Pb collisions with ALICE — •Theo Bröker for the ALICE collaboration — Institut für Kernphysik, Goethe-Universität Frankfurt
Low-mass dielectrons are an important probe for the hot and dense medium which is created in ultrarelativistic heavy-ion collisions. Since leptons do not interact strongly, they carry information from all collision stages with negligible final state interaction. While pp collisions provide a reference measurement for a medium-free environment, the impact of cold nuclear matter effects on the dielectron characteristics can be estimated from p–Pb collisions. We will present the latest results of the dielectron measurements in p–Pb collisions at √sNN = 5.02 TeV with the ALICE detector. The measured dielectron mass spectra will be compared to expectations from hadronic sources.
Supported by BMBF and the Helmholtz Association.