Energy fraction of the central region in the Chou-Yang model.

Abstract

For the energy fraction of the central region in the Chou-Yang model we investigate dependencies on the total center-of-mass energy, multiplicity of charged particles, partition temperature, and average transverse momentum. Upper and lower bounds are obtained for the energy fraction. It is shown that the energy fraction approaches zero in the high-energy limit if the partition temperature is given by the empirical formula obtained through the analysis of experimental data of the pseudorapidity distribution via the Chou-Yang model. We examine the connection with the inelasticity distribution in hadron-hadron collision derived by Fowler and collaborators.