Thermal Equilibrium and Non-uniform Longitudinal Flow in Relativistic Heavy Ion Collisions
Shengqin FENG, Feng LIU, Lianshou LIU
Abstract
A model with non-uniform flow in the longitudinal direction is proposed for the relativistic heavy-ion collisions and compared with the 14.6 A GeV/c Si-Al and 10.8 A GeV/c Au-Au collision data. The stronger influence of transparency on the distribution of heavier produced particles and the larger stopping in the heavier collision system are accounted for by using a new geometrical parameterization picture. The central dips in the proton and deuteron rapidity distributions for Si-Al collision are reproduced.
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