[Brahms-l] Fw: Release of STAR paper on charged hadron production

FYI
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Flemming Videbaek
Physics Department
Brookhaven National Laboratory

e-mail: videbaek@bnl.gov
phone: 631-344-4106

Subject: Release of STAR paper on charged hadron production


> Dear Tom, Bill, Flemming, and Mark, 
> 
> I am pleased to announce STAR's intention to submit a new 
> paper on "Centrality and pseudorapidity dependence of 
> charged hadron production at intermediate pT in Au + Au
> collisions at sqrt s_NN = 130 GeV" to Physical Review C 
> one week from today. The title and abstract for the paper 
> are enclosed. 
>  
>                       Sincerely, 
>  
>                        Tim 
> 
> "Centrality and pseudorapidity dependence of 
> charged hadron production at intermediate pT in Au + Au
> collisions at sqrt s_NN = 130 GeV"
> 
> We present STAR measurements of charged hadron production 
> as a function of centrality in Au + Au collisions at 
> sqrt s_NN=130 GeV.  The measurements cover a phase space 
> region of 0.2 < pT < 6.0 GeV/c in transverse momentum and 
> -1 < eta < 1 in pseudorapidity.  Inclusive transverse 
> momentum distributions of charged hadrons in the 
> pseudorapidity region 0.5 < |eta| < 1 are reported and 
> compared to our previously published results for 
> |eta| < 0.5.  No significant difference is seen for 
> inclusive pT distributions of charged hadrons in these 
> two pseudorapidity bins.  We measured dN/d eta 
> distributions and truncated mean pT in a region of 
> pT > p_T^cut, and studied the results in the framework
> of participant and binary scaling.  No clear evidence
> is observed for participant scaling of charged hadron 
> yield in the measured pT region.  The relative 
> importance of hard scattering process is investigated
> through binary scaling fraction of particle production.
> 
> 
> 

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