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Central exclusive production of <i>K</i><sup>+</sup><i>K</i><sup>โ</sup> pairs in proton-proton collisions
We discuss central exclusive diffractive production of light mesons in the reactions $pp \to pp{\pi ^ + }{\pi ^ - }$ and $pp \to pp{K^ + }{K^ - }$. The calculation is based on a tensor-pomeron approach. We include a purely diffractive dipion continuum, and the scalar f 0 (980), โฆ