[Brahms-dev-l] CuCu protons at high y.

From: flemming videbaek <videbaek_at_bnl.gov>
Date: Mon, 21 Jun 2010 11:18:51 -0400
I had a talk with JH on the progress on CuCu. Back in February I did  
analyze a subset of the CuCu forward data i.e. 4 deg settings
for protons (and possible pi+). 1219m1723,2442,3450. The link below  
point to the spectrum from 0-10% btween 2.95 and 3.13, which I believe  
is also the
range used by Selemon. The blue dots are an analysis by Selemon (I  
believe with RICH only, no veto mode). This clearly demonstrates good  
agreement at high pt between these two analysis. The difference is  
clearly in veto part of the spectrum , which can be resolved.
The fit is a fit in mtT, yielding a very reasonable value of <pt>.
It would clearly not be described by the blast-wawe fits shown by  
Selemon.


http://www4.rcf.bnl.gov/~videbaek/analysis/auau62/prot_295_315.png


Flemming


Flemming Videbaek
videbaek @ bnl.gov
Brookhaven National Lab
Physics Department
Bldg 510D
Upton, NY 11973

phone: 631-344-4106
cell     :  631-681-1596





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Received on Mon Jun 21 2010 - 11:15:56 EDT

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