Dielectron measurements in pp and Pb–Pb colllisions with ALICE at the LHC

  • The production of low-mass dielectrons is one of the most promising tools for the investigation of chiral symmetry restoration and thermal radiation from the QGP created in heavy-ion collisions. To single out the signal characteristics of the QGP, it is crucial to understand the primordial e+e− pair production in vacuum, i.e. in inelastic proton-proton (pp) collisions. Low-mass dielectrons have been measured with ALICE at the LHC in pp collisions at s=7and13TeV, and in Pb–Pb collisions at sNN=2.76TeV. An overview of the results on dielectron production is presented, together with their implications for the direct-photon and heavy-quark production.

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Author:Raphaëlle BailhacheORCiDGND
Parent Title (English):Nuclear Physics A
Place of publication:Amsterdam
Document Type:Article
Date of Publication (online):2019/01/22
Date of first Publication:2019/01/22
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Creating Corporation:ALICE (Körperschaft)
Contributing Corporation:International Conference on Ultrarelativistic Nucleus-Nucleus Collisions (27. : 2018 : Venedig)
Release Date:2023/10/12
Tag:ALICE; Electromagnetic probes; Heavy-flavour production; Heavy-ion collisions
Page Number:4
First Page:779
Last Page:782
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Licence (German):License LogoCreative Commons - CC BY-NC-ND - Namensnennung - Nicht kommerziell - Keine Bearbeitungen 4.0 International