Measurements of $$\pi ^\pm $$, $$K^\pm $$, p and $$\bar{p}$$ spectra in $$^7$$Be+$$^9$$Be collisions at beam momenta from 19A to 150A $${\mathrm{Ge} \mathrm{V}}\!/\!c$$ with the NA61/SHINE spectrometer at the CERN SPS

Abstract The NA61/SHINE experiment at the CERN Super Proton Synchrotron (SPS) studies onset of deconfinement in hadron matter by a scan particle production collisions nuclei with various sizes set energies covering SPS energy range. This paper presents results on inclusive double-differential spectra, transverse momentum and rapidity distributions mean multiplicities $$\pi ^\pm $$ π ± , $$K^\pm K p $$\bar{p}$$ p ¯ produced 20% most central $$^7$$ 7 Be+ $$^9$$ 9 Be beam momenta 19 A 30 40 75 150 $${\mathrm{Ge} \mathrm{V}}\!/\!c$$ Ge V / c . dependence / ratios as well inverse slope parameters mass are close to those found inelastic p+p reactions. new compared world data Pb+Pb predictions Epos U r qmd Ampt Phsd Smash models.