[Brahms-l] Fw: PHOBOS paper on RdA vs. eta

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: <zajc@nevis.columbia.edu>; <hallman@bnl.gov>; <videbaek@bnl.gov>;
<phobos@mit.edu>
Sent: Friday, June 04, 2004 4:43 PM
Subject: PHOBOS paper on RdA vs. eta


> Dear Tom, Bill, Tim, and Flemming,
>
> I am pleased to announce our intention to submit a paper on the
> eta dependence of RdA to PRC-RC next week. The results are very
> similar to those shown at Quark Matter 2004 by Gabor Veres.
> The title and abstract can be found below.
>
> Mark
>
> "Pseudorapidity dependence of charged hadron transverse momentum spectra
> in d+Au collisions at $\sqrtsNN$ = 200 GeV"
>
> We have measured the transverse momentum distributions of charged hadrons
in d+Au
> collisions at $\sqrtsNN$ = 200 GeV in the range of 0.5 < p_T < 4.0 GeV/c.
The
> total range of pseudorapidity, eta, is 0.2 < eta < 1.4, where positive eta
> is in the deuteron direction.  The data has been divided into three
regions of
> pseudorapidity, covering 0.2 < eta < 0.6, 0.6 < eta < 1.0, and 1.0 < eta <
1.4 and
> has been compared to charged hadron spectra from p + pbar collisions at
the same
> energy.  There is a significant change in the spectral shape as a function
of
> pseudorapidity.  As eta increases we see a decrease in the nuclear
> modification factor $R_{dAu}$.
>


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