Abstract

High energy nucleus-nucleus collisions can provide a unique method of studying nuclear matter at densities and excitations far from the normal ground state. In these collisions a source can be identified with a velocity intermediate between the projectile and target velocities as well as sources that can be associated with decay of excited projectile and target nuclei. The study of light particle spectra (p, d, t and alpha) associated with this intermediate source can provide information on the equation of state of nuclear matter. Results are presented for O and Ne induced reactions on heavy targets ranging in energy from 9 to 800 MeV/nucleon. Analysis of these light particle data in terms of a single moving source model leads to a consistent description of a system in thermodynamic and chemical equilibrium. Extracted d/p and t/p ratios are almost independent of incident energy while the alpha/proton ratio increases dramatically at low bombarding energies.

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