Contribution of the reaction NY→NNK¯ to antikaon production in relativistic heavy-ion collisions
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The isospin-averaged cross section for the reaction NY'NNK» is calculated in the one-pion exchange model. This reaction is relevant to the production of antikaons in heavy-ion collisions at subthreshold energies. Using a simplified kinetic model in which antikaons are produced from the interaction of hyperons with the thermalized participant hadrons, it is estimated that the contribution to antikaon productions from the reaction NY'NNK» is only a few percent of that from the reaction Y'NK». © 1984 The American Physical Society.
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