Ratio of kaon-to-pion production cross-sections in $BeBe$ collisions as a function of $\sqrt{s}$

Abstract

The inclusive spectra of pions and kaons produced in $BeBe$ collisions as functions of their transverse momentum $p_t$ at mid-rapidity are calculated within the self-similarity approach. A satisfactory description of NA61/SHINE data on these spectra and the ratio of $K^{\pm }$ to ${\pi }^{\pm }$ meson production cross sections in $BeBe$ collisions as a function of $\sqrt{s}$ are presented. The similarity of these observables to the ones for $pp$ collisions at mid-rapidity and in the wide range of initial energies is illustrated.

15 pages and 6 figures. arXiv admin note: substantial text overlap with arXiv:2012.02451

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