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Study of charm and beauty using electron-D0 azimuthal correlations in the STAR experiment at RHIC

  • SUBATECH

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The energy loss of heavy quarks in the hot and dense matter created in high-energy nuclear collisions at RHIC, can be used to probe the properties of the medium. Both charm and beauty quarks contribute to the non-photonic electrons through their semi-leptonic decays. It is essential to determine experimentally the relative contributions of charm and beauty quarks to understand the observed suppression of non-photonic electrons at high p T in central Au+Au collisions. The azimuthal angular correlations of non-photonic electrons with hadrons as well as with the reconstructed D 0 allow to disentangle the contributions of charm and beauty to the electron spectrum. We discuss the STAR measurement of non-photonic electron-D0 and non-photonic electron-hadron azimuthal correlations in p+p collisions at 200 GeV and explore the consequences for the heavy flavour suppression in heavy ion collisions at RHIC.

Original languageEnglish
Title of host publicationIX International Conference on Quark Confinement and the Hadron Spectrum, QCHS IX
Pages477-479
Number of pages3
DOIs
StatePublished - 2011
Externally publishedYes
Event9th International Conference on Quark Confinement and the Hadron Spectrum, QCHS IX - Madrid, Spain
Duration: 30 Aug 20103 Sep 2010

Publication series

NameAIP Conference Proceedings
Volume1343
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference9th International Conference on Quark Confinement and the Hadron Spectrum, QCHS IX
Country/TerritorySpain
CityMadrid
Period30/08/103/09/10

Keywords

  • Beauty
  • Charm
  • Jet quenching
  • Quark gluon plasma
  • RHIC

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