hadron talk - Nix-Chapman variables

THE NIX-CHAPMAN MODEL


The Nix-Chapman model is one of the models that makes simultaneous use of single-particle spectra and HBT measurements. It is an expanding source model, with the freezeout conditions as free parameters in the model.

parameter describing
T
mu-b
lambda-pi 		temperature
baryon chemical potential
pion coherency 		intrinsic fluid properties
R
vt
alpha-t
transverse radius
flow velocity
freezeout profile 		transverse freezeout parameters
ys
eta-0
tau-f 		cm rapidity
width of dn/dy
freezeout proper time 		longitudinal freezeout parameters


Reference: Phys.Rev. C54 (1996) 866, or a copy on the web

HvH, Phenix hadron workshop, March '97, Costa mesa
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