Phasespace Correlations of Antideuterons in Heavy Ion Collisions

Details Phasespace Correlations of Antideuterons in Heavy Ion Collisions Phasespace Correlations of Antideuterons in Heavy Ion Collisions

1995-06-10

arxiv.org/abs/nucl-th/9506009v1

Phys.Lett. B361 (1995) 10-13

Physics

Nuclear Physics

Nuclear Theory

Scientific paper

10.1016/0370-2693(95)01159-N

In the framework of the relativistic quantum molecular dynamics approach ({\small RQMD}) we investigate antideuteron ($\overline{d}$) observables in Au+Au collisions at 10.7~AGeV. The impact parameter dependence of the formation ratios $\overline{d}/\overline{p}^2$ and ${d}/{p}^2$ is calculated. In central collisions, the antideuteron formation ratio is predicted to be two orders of magnitude lower than the deuteron formation ratio. The $\overline{d}$ yield in central Au+Au collisions is one order of magnitude lower than in Si+Al collisions. In semicentral collisions different configuration space distributions of $\overline{p}$'s and $\overline{d}$'s lead to a large ``squeeze--out'' effect for antideuterons, which is not predicted for the $\overline{p}$'s.

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