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Low mass dilepton production at ultrarelativistic energies

  • Dilepton production in pp and Au+Au nucleus–nucleus collisions at s=200GeV as well as in In+In and Pb+Au at 158AGeV is studied within the microscopic HSD transport approach. A comparison to the data from the PHENIX Collaboration at RHIC shows that standard in-medium effects of the ρ,ω vector mesons—compatible with the NA60 data for In+In at 158AGeV and the CERES data for Pb+Au at 158AGeV—do not explain the large enhancement observed in the invariant mass regime from 0.2 to 0.5 GeV in Au+Au collisions at s=200 GeV relative to pp collisions.

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Metadaten
Author:Elena L. BratkovskayaORCiDGND, Wolfgang CassingGND, Olena LinnykORCiDGND
URN:urn:nbn:de:hebis:30:3-764530
DOI:https://doi.org/10.1016/j.physletb.2008.11.034
ISSN:0370-2693
Parent Title (English):Physics Letters B
Publisher:Elsevier
Place of publication:Amsterdam
Document Type:Article
Language:English
Date of Publication (online):2008/11/21
Date of first Publication:2008/11/21
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2023/10/09
Tag:Leptons; Meson production; Relativistic heavy-ion collisions
Volume:670.2009
Issue:4-5
Page Number:6
First Page:428
Last Page:433
HeBIS-PPN:513366067
Institutes:Physik
Wissenschaftliche Zentren und koordinierte Programme / Frankfurt Institute for Advanced Studies (FIAS)
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
PACS-Classification:10.00.00 THE PHYSICS OF ELEMENTARY PARTICLES AND FIELDS (for experimental methods and instrumentation for elementary-particle physics, see section 29) / 13.00.00 Specific reactions and phenomenology / 13.60.-r Photon and charged-lepton interactions with hadrons (for neutrino interactions, see 13.15.+g) / 13.60.Le Meson production
10.00.00 THE PHYSICS OF ELEMENTARY PARTICLES AND FIELDS (for experimental methods and instrumentation for elementary-particle physics, see section 29) / 14.00.00 Properties of specific particles / 14.60.-z Leptons / 14.60.Cd Electrons (including positrons)
20.00.00 NUCLEAR PHYSICS / 25.00.00 Nuclear reactions: specific reactions / 25.75.-q Relativistic heavy-ion collisions (collisions induced by light ions studied to calibrate relativistic heavy-ion collisions should be classified under both 25.75.-q and sections 13 or 25 appropriate to the light ions)
Sammlungen:Universitätspublikationen
Licence (German):License LogoCreative Commons - CC BY - Namensnennung 4.0 International

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