Deuterons and space-momentum correlations in high energy nuclear collisions
B. Monreal, S. A. Bass, M. Bleicher, S. Esumi, W. Greiner, Q. Li, H. Liu, W. J. Llope, R. Mattiello, S. Panitkin, I. Sakrejda, R. Snellings, H. Sorge, C. Spieles, H. Stöcker, J. Thomas, S. Voloshin, F. Wang, N. Xu
Abstract
Using a microscopic transport model together with a coalescence after-burner, we study the formation of deuterons in Au + Au central collisions at s=200 AGeV. It is found that the deuteron transverse momentum distributions are strongly affected by the nucleon space-momentum correlations, at the moment of freeze-out, which are mostly determined by the number of rescatterings. This feature is useful for studying collision dynamics at ultrarelativistic energies.
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