[Brahms-l] Fw: STAR Paper on Pt Correlations

FYI
----------------------------------------------------------------
Flemming Videbaek
Physics Department
Brookhaven National Laboratory

e-mail: videbaek@bnl.gov
phone: 631-344-4106
----- Original Message ----- 
From: "Timothy Hallman" <hallman@bnl.gov>
To: "Ozaki, Satoshi" <ozaki@bnl.gov>; <Aronsons@bnl.gov>;
<Videbaek@bnl.gov>; "'Wit Busza'" <busza@MIT.EDU>; "William A Zajc"
<zajc@bnl.gov>
Cc: <Hallman@bnl.gov>
Sent: Thursday, March 17, 2005 8:33 PM
Subject: STAR Paper on Pt Correlations


>
>
> Dear Satoshi, Sam, Flemming, Wit, and Bill,
>
> This is a brief email to say that STAR intends to submit
> a paper on "Incident Energy Dependence of pt Correlations
> at RHIC" to Phys. Rev C. Rapid Communications in one week's
> time. The title and abstract are appended.
>
>
>                   Sincerely,
>
>                   Tim
>
>
>
>
> Title: "Incident Energy Dependence of Pt Correlations at RHIC"
>
> Abstract:  We present results for two-particle transverse momentum
>            correlations, (delta p_t,i delta p_t,j) as a function of
>            event centrality for Au+Au collisions at roots_NN = 20,
>            62, 130, and 200 GeV at the Relativistic Heavy Ion Collider.
>            We observe correlations decreasing with centrality that
>            are similar at all four incident energies. The correlations
>            multiplied by the multiplicity density increase with
>            incident energy and the centrality dependence may show
>            evidence of processes such as thermalization, mini-jet
>            production, or the saturation of transverse flow. The square
>            root of the correlations divided by the event-wise average
>            transverse momentum per event shows little or no beam
>            energy dependence and generally agrees with previous
>            measurements at the Super Proton Synchrotron.
>


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