Proton induced $K^+$ production and the $s\bar{s}$ content of the proton

Details Proton induced $K^+$ production and the $s\bar{s}$ content of the proton Proton induced $K^+$ production and the $s\bar{s}$ content of the proton

1998-06-18

arxiv.org/abs/nucl-th/9806059v1

Acta Phys.Polon.B27:2867-2870,1996

Physics

Nuclear Physics

Nuclear Theory

4 pages, 2 figures

Scientific paper

We investigate the exclusive proton-induced $K^+$ production near the kaon threshold. Compared are two models: a meson-exchange model, which includes $\pi$, \rho$, $K$ and $K^\ast$ exchange, together with the dominant baryon resonances, and a quark-gluon model, where momentum sharing is provided via the exchange of two gluons. Based on covariant bound state wave functions for the meson and the baryons - which we treat as quark-diquark objects - first results for the $pp\to p\Lambda K^+$ total cross section are presented for both models.

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