From: Murray, Michael J (mjmurray@ku.edu)
Date: Wed Sep 17 2003 - 08:32:55 EDT
Dear Flemming, Steve and Ian,
Here is my draft abstract for QM04. Michael
Rapidity Depdendence of the Temperature and Chemical
Potential
It is common to describe the particle abundances of from heavy ion
collisions in
terms of thermal fits. Normally this is done using 4pi yields but recently
thermal models have been applied to data from narrow regions around y=0. The
wide rapidity
dependence of BRAHMS data allows us to test if AuAu collisions are in global
thermal equilibrium of if there are a range of sources at different
rapidities each of which is in local thermal equilibrium. We do this by
search through a grid of thermal parameters to find the best fit to our
particle ratios at a given rapidity. We will also compare these results to
lower energy work and results from lighter systems.
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