The Yield Ratio of Anti-Nuclei and Nuclei in Relativistic Nuclear Collisions in the Central Rapidity Region

This article describes calculations of the yield ratio of anti-particles to the yield of particles ( p̅ / p , d̅ / d , ^3He / 3 He) in proton–proton and nuclear–nuclear interactions using the self-similarity parameter in the central rapidity region. The used approach is based on the study of relativistic nuclear interactions in the four-velocity space. The results of the calculations are compared with the existing experimental data in a wide center-of-mass energy range ( SPS , RHIC , LHC ). Within this approach the inclusive spectra of pions and kaons and ratios of their yields in pp collisions have been successfully described earlier.