Emission time scale of light particles in the system Xe+Sn at 50 AMeV. A probe for dynamical emission ?

Abstract

Proton and deuteron correlation functions have been investigated with both impact parameter and emission source selections. The correlations of the system (129Xe + natSn) at 50 AMeV have been measured with the 4 pi INDRA which provides a complete kinematical description of each event. The emission time scale analyzed with a quantum model reveals the time sequence of the light particles emitted by the projectile-like fragment. The short and constant emission time of the proton, independent of the impact parameter, can be attributed to a preequilibrium process.

20 pages, with 11 included figures; Accepted by European Physics Journal A

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