Pion absorption versus compression effects in relativistic nucleus-nucleus collisions

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Abstract
Inclusive particle spectra are calculated based on a multiple-collision model which fits the negative-pion multiplicity for central collisions using two different prescriptions. In one case pion absorption and in the other case compressional degrees of freedom are considered to effect this. From a comparision with measured proton, deuteron, triton, and negative pion inclusive spectra for the reaction Ar on KCl at 800 MeV/nucleon, no conclusive evidence for strong compression effects can be extracted.