Strangeness production in high-multiplicity events

Abstract

In this paper we analyze in detail the production of strangeness in proton-proton collisions in the kinematics of large transverse momenta $p_T$ of produced hadrons. Using the color dipole framework, we estimated the production cross-sections for kaons, and demonstrated that the shapes of the $p_T$-dependence are in agreement with available experimental data. We also analyzed the self-normalized yields of strange hadrons as a function of multiplicity of co-produced hadrons, and found that the predictions are in agreement with the faster-than-linear growth seen in experimental data. Our description is largely parameter-free and complements our previous studies dedicated to the explanation of multiplicity enhancement of quarkonia, as well as $D$- and $B$-mesons.

arXiv comment12 pages, 6 figures. This paper is a sequel to our earlier publications arXiv:1910.13579, arXiv:2003.13768, arXiv:2008.12446 and arXiv:2012.08284 dedicated to multiplicity dependence of high energy production cross-sections

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