RE: [Brahms-l] New version of RdA paper, will announce tomorrow

From: J.H. Lee <jhlee@rcf.rhic.bnl.gov>
Date: Tue Feb 24 2004 - 23:32:53 EST
Hi,

> Our intent is to announce the paper to the RHIC community tomorrow, 
> and then to submit to PRL Wednesday next weeek. Please 
> read and comment, first of all on the abstract, 
> since that will be included in the announcement.

I think the abstract is somewhat misleading.

"The midrapidity Cronin enhancement and the forward rapidity suppression 
are more pronounces in the central collisions relative to peripheral 
collisions. This suggests strong initial state effects, possibly related..."

To me, it reads like that we are arguing the midrapidity Cronin enhancement 
in the central collisions is also a strong 'initial state' effect.
The Cronin effect is also known as 'initial state' parton broadening 
or 'initial state' multiple scattering, but it's not the same initial
state we are referring as in the paper.  It has been shown by Jamal J. 
et al. that the numerical solution of the classical Yang-Mills equations  
in the McLerran-Venugopalan model does indeed include the Cronin effect, 
but I don't think that's what we have in our mind for the sentence either.
(We probably have to be a bit more explicit in the text what 'initial state'

means for broader readers also.)


JH






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Received on Tue Feb 24 23:34:09 2004

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