[Brahms-l] Fw: New paper from PHOBOS: HBT @ 62.4 & 200 GeV

FYI.

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

e-mail: videbaek@bnl.gov
phone: 631-344-4106
----- Original Message ----- 
From: "Mark D. Baker" <baker@rcf.rhic.bnl.gov>
To: <tkirk@bnl.gov>
Cc: <hallman@bnl.gov>; <busza@mit.edu>; <zajc@nevis.columbia.edu>;
<akiba@bnl.gov>; <matthias@bnl.gov>; <videbaek@bnl.gov>; <gardhoje@nbi.dk>;
<phobos@mit.edu>
Sent: Monday, August 23, 2004 9:54 PM
Subject: New paper from PHOBOS: HBT @ 62.4 & 200 GeV


> Dear Colleagues,
>
> I am pleased to announce our plans to submit a paper to PRC on HBT at 62.4
> and 200 GeV in one week's time. Please find the title and abstract below.
> The 200 GeV data is similar to that shown at Quark Matter. The latest
> results on 62.4 GeV and final 200 GeV will be the subject of a seminar at
> BNL in the next week or two.
>
> Mark
>
> Transverse momentum and rapidity dependence of HBT correlations in Au+Au
> collisions at sqrt(s_NN) = 62.4 and 200 GeV
>
> Two-particle correlations of identical charged pion pairs from Au+Au
> collisions at sqrt(s_NN) = 62.4 and 200 GeV were measured by the PHOBOS
> experiment at RHIC. Data for the 15% most central events were analyzed
> with Bertsch-Pratt and Yano-Koonin-Podgoretskii parameterizations using
> pairs with rapidities of 0.4 < y_pipi < 1.3 and transverse momenta 0.1 <
> k_T < 1.4 GeV/c. The Bertsch-Pratt radii R_o and R_l decrease as a
> function of pair transverse momentum, while R_s is consistent with a
> weaker dependence.  R_o and R_s are independent of collision energy,
> while R_l shows a slight increase.  The source rapidity y_ykp scales
> roughly with the pair rapidity y_pipi, indicating strong dynamical
> correlations.
>


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