Dielectron measurements in pp, p–Pb and Pb–Pb collisions with ALICE at the LHC

descriptionPublicationkeyboard_double_arrow_right Article , Preprint 01 Nov 2014Embargo end date: 01 Jan 2014 Hungary English Publisher:Elsevier BVJournal:Nuclear Physics A, volume 931, pages 665-669 (issn: 0375-9474,

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Authors: Köhler, M. K.; Abelev, B.; Adam, J.; Adamová, D.; Aggarwal, M. M.; Aglieri, Rinella G.; Agnello, M.; +34 Authors

doi: 10.1016/j.nuclphysa.2014.09.032 , 10.48550/arxiv.1407.7809

arXiv: 1407.7809

Dielectron measurements in pp, p–Pb and Pb–Pb collisions with ALICE at the LHC

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Abstract

Electromagnetic probes are excellent messengers from the hot and dense medium created in high-energy heavy-ion collisions. Since leptons do not interact strongly, their spectra reflect the entire space-time evolution of the collision. The surrounding medium can lead to modifications of the dielectron production with respect to the vacuum rate. To quantify modifications in heavy-ion collisions, measurements in pp collisions serve as a reference, while the analysis of p-A collisions allows for the disentanglement of cold nuclear matter effects from those of the hot and dense medium. In this proceedings, dielectron measurements with the ALICE central barrel detectors are presented. The invariant mass distributions in the range $ 0

4 pages, 8 figures, Proceedings of the "Quark Matter 2014 Conference", XXIV International Conference on Ultrarelativistic Nucleus-Nucleus Collisions, Darmstadt, May 19-24 2014

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Hungary

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Keywords

QC Physics / fizika, FOS: Physical sciences, Nuclear Experiment (nucl-ex), Nuclear Experiment

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