Physics – Nuclear Physics – Nuclear Experiment
Scientific paper
2006-07-11
Phys.Rev.Lett.98:192301,2007; Erratum-ibid.106:159902,2011
Physics
Nuclear Physics
Nuclear Experiment
Published to Phys. Rev. Lett. Revised version after comments from referees Erratum submitted to PRL
Scientific paper
10.1103/PhysRevLett.98.192301 10
The STAR collaboration at RHIC reports measurements of the inclusive yield of non-photonic electrons, which arise dominantly from semi-leptonic decays of heavy flavor mesons, over a broad range of transverse momenta ($1.2 < \pt < 10$ \gevc) in \pp, \dAu, and \AuAu collisions at \sqrtsNN = 200 GeV. The non-photonic electron yield exhibits unexpectedly large suppression in central \AuAu collisions at high \pt, suggesting substantial heavy quark energy loss at RHIC. The centrality and \pt dependences of the suppression provide constraints on theoretical models of suppression.
Abelev Betty I.
for the STAR Collaboration
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