[Brahms-l] Fw: New STAR Paper on Suppression of Non-Photonic Electrons

FYI
fv



Sent: Monday, June 26, 2006 10:24 PM
Subject: New STAR Paper on Suppression of Non-Photonic Electrons


> Dear Peter, Bill, Flemming, and Wit:
> 
> It is my pleasure to announce STAR's intention to submit the
> following paper to Physical Review Letters in one week's time:
> 
> "Transverse momentum and centrality dependence of high-$p_{T}$
> non-photonic electron suppression in Au+Au collisions at
> $\sqrt{s_{NN}}=200$ GeV"
> 
> The abstract is enclosed.
> 
>                          Sincerely,
> 
>                          Tim Hallman
> 
> 
> 
> Abstract:
> 
> 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 
> GeV/c in
> p+p. d+Au, and Au+Au collisions at roots_NN = 200 GeV. The non-photonic 
> electron
> yield exhibits unexpectedly large suppression in central Au+Au 
> collisions at high pt,
> suggesting substantial heavy quark energy loss in hot QCD matter. The 
> centrality
> and pt dependence of the suppression provide stringent constraints on 
> theoretical
> models of suppression.
>
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