Measurements of ${\pi }^{\pm }$, K${}^{\pm }$, p and $\bar{\text{p}}$ spectra in proton-proton interactions at 20, 31, 40, 80 and 158 GeV/c with the NA61/SHINE spectrometer at the CERN SPS

Abstract

Measurements of inclusive spectra and mean multiplicities of ${\pi }^{\pm }$, K${}^{\pm }$, p and $\bar{\text{p}}$ produced in inelastic p+p interactions at incident projectile momenta of 20, 31, 40, 80 and 158 GeV/c ($\sqrt{s}=$ 6.3, 7.7, 8.8, 12.3 and 17.3 GeV, respectively) were performed at the CERN Super Proton Synchrotron using the large acceptance NA61/SHINE hadron spectrometer. Spectra are presented as function of rapidity and transverse momentum and are compared to predictions of current models. The measurements serve as the baseline in the NA61/SHINE study of the properties of the onset of deconfinement and search for the critical point of strongly interacting matter.

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• Identity Method for the Determination of the Moments of Multiplicity Distributions
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