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The measured K$^+/\pi^+$ ratios from heavy-ion reactions are compared withthe K$^+/\pi^+$ ratios from p+p reactions over the energy range 2-160 AGeV. TheK/$\pi$ enhancement in heavy-ion reactions is largest at the lower energies,consistent with strangeness production in secondary scattering becomingrelatively more important than initial collisions near the kaon productionthreshold. The enhancement decreases steadily from 4 to 160 AGeV, suggestingthat the same enhancement mechanism of hadronic rescattering and decay ofstrings may be applicable over this full energy range. Based on existing data,the mid-rapidity K$^+/\pi^+$ ratio is predicted to be $0.27\pm0.05$ for theforthcoming Pb+Pb reactions at 40 AGeV/c.Comment: 14 pages, 4 figures, submitted to Phys. Rev.

physical review. c. nuclear physics/physical review. c, nuclear physics

Comparison of strangeness production between<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>A</mml:mi><mml:mo>+</mml:mo><mml:mi>A</mml:mi></mml:math>and<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>p</mml:mi><mml:mo>+</mml:mo><mml:mi>p</mml:mi></mml:math>reactions from 2 to<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mn>160</mml:mn><mml:mi /><mml:mi>A</mml:mi><mml:mi> </mml:mi><mml:mi …

Comparison of strangeness production betweenA+Aandp+preactions from 2 to160A