Particle production at high p sub perpendicular in sup 28 Si+A collisions at 14. 6 Ater dot GeV/c

Single particle inclusive spectra are presented for particle production in Si+Al and Si+Au reactions at the nucleus-nucleon center-of-mass rapidity for projectiles incident at 14.6 A{center dot}GeV/c. The invariant cross sections are all well described by an exponential dependence in the transverse mass m{perpendicular}. An analysis in terms of different components in p{sub {perpendicular}}{sup 2} shows the importance of resonance production and decay as a reaction mechanism at AGS energies.