A. Galoyan, A. Ribon & V. Uzhinsky
Two-particle transverse momentum (PT) correlations are investigated for proton–proton and deuteron–deuteron interactions at the center-of-mass energy of NN collisions of 10 GeV. The correlations between Λ—hyperons and anti-Λ—hyperons, K-, π—mesons and protons are calculated using the Geant4 FTF and Pythia 6.4 models. It is shown that PT correlations between Λ—hyperons and strange particles in proton-proton interactions are stronger in the FTF model than in the Pythia model. Two-particle PT correlations can be studied at the NICA SPD experiment. Studies of two-particle correlations can help clarify the mechanism of quark–gluon string fragmentation.