Strange particle production at RHIC in the Dual Parton Model

Details Strange particle production at RHIC in the Dual Parton Model Strange particle production at RHIC in the Dual Parton Model

2002-05-03

arxiv.org/abs/nucl-th/0205014v1

Eur.Phys.J.C30:111-116,2003

Physics

Nuclear Physics

Nuclear Theory

13 pages, 3 postscript figures

Scientific paper

10.1140/epjc/s2003-01255-8

We compute the mid-rapidity densities of pions, kaons, baryons and antibaryons in $Au$-$Au$ collisions at $\sqrt{s} =$ 130 GeV in the Dual Parton Model supplemented with final state interaction (comovers interaction). The ratios $B/n_{part}$ ($\bar{B}/n_{part}$) increase between peripheral ($n_{part} = 18$) and central ($n_{part} = 350)$ collisions by a factor 2.4 (2.0) for $\Lambda$'s, 4.8 (4.1) for $\Xi$'s and 16.5 (13.5) for $\Omega$'s. The ratio $K^-/\pi^-$ increases by a factor 1.3 in the same centrality range. A comparison with available data is presented.

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