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In ultra-relativistic heavy ion collisions, early stage multiple scatterings may lead to an increase of the color electric field strength. Consequently, particle production especially heavy quark (and di-quark) production is greatly enhanced according to the Schwinger mechanism. We test this idea via the Ultra-relativistic Quantum Molecular Dynamics model (UrQMD) for Au+Au collisions at the full RHIC energy ( √ s = 200 AGeV). Relative to p+p collisions, a factor of 60, 20 and 7 enhancement respectively, for Ω (sss), Ξ (ss), and Λ, Σ (s) is predicted for a model with increased color electric field strength.

Strangeness enhancement from strong color fields at relativistic heavy ion energies