Abstract
In this paper we study the antikaon and antiproton productions in nucleus-nucleus collisions at intermediate bombarding energies. Relativistic quantum molecular dynamics (RQMD) is used to simulate dynamical evolution of nuclear reactions and generate stochastic baryon-baryon collisions where antikaons and antiprotons might be produced. The antikaons and antiprotons are assumed to be created predominantly in processes such as B 1+ B 2→ N+ N+ K+ K and B 1+ B 2→ N+ N+ p+ p . We compare our results obtained with different nuclear equations of state, with and without the absorption of antikaons and antiprotons by surrounding the nucleons; and different parametrizations for the elementary production cross section in the baryon-baryon collision. The theoretical results are also compared with the available experimental data.
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