Distributions of transverse energy and forward energy in−16andinduced32heavy ion collisions at 60Aand 200AGeV

Distributions of transverse energy, forward energy, and ${\mathit{dE}}_{\mathit{T}}$/dη from 60A GeV and 200A GeV ${}_{}{}^{16}{}_{}{}^{}\mathrm{induced}$ and 200A GeV ${}_{}{}^{32}{}_{}{}^{}\mathrm{induced}$ nuclear collision with C, Al, Cu, Ag, and Au are presented. The energy, projectile, target, and centrality dependences are shown and discussed within a simple Glauber spectator-participant model. Two universal parametrizations of the ${\mathit{dE}}_{\mathit{T}}$/dη distributions are presented together with various estimates of the nuclear stopping power and attained energy densities. An upper limit for ${\gamma }_{\mathrm{direct}}$/${\mathrm{\pi }}^0$ in central collisions of 200A GeV ${}_{}{}^{32}{}_{}{}^{}\mathrm{S}$ ${+}^{197}$Au is derived.