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

TL;DR

This paper models the production spectra of pions and kaons in beryllium-beryllium collisions using a self-similarity approach, successfully describing experimental data and revealing similarities to proton-proton collisions across energies.

Contribution

It introduces a self-similarity based method to analyze meson production in $Be Be$ collisions, matching experimental spectra and cross-section ratios.

Findings

Successful description of NA61/SHINE data

Observed similarity to $pp$ collision observables

Cross-section ratios as a function of $\,\sqrt{s}$

Abstract

The inclusive spectra of pions and kaons produced in $Be Be$ 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 $Be Be$ 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.