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
Copyright policy )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
AbstractThe NA61/SHINE experiment at the CERN Super Proton Synchrotron (SPS) studies the onset of deconfinement in hadron matter by a scan of particle production in collisions of nuclei with various sizes at a set of energies covering the SPS energy range. This paper presents results on inclusive double-differential spectra, transverse momentum and rapidity distributions and mean multiplicities of $$\pi ^\pm $$ π ± , $$K^\pm $$ K ± , p and $$\bar{p}$$ p ¯ produced in the 20% most central$$^7$$ 7 Be+$$^9$$ 9 Be collisions at beam momenta of 19A, 30A, 40A, 75A and 150A $${\mathrm{Ge} \mathrm{V}}\!/\!c$$ Ge V / c . The energy dependence of the $$K^\pm $$ K ± /$$\pi ^\pm $$ π ± ratios as well as of inverse slope parameters of the $$K^\pm $$ K ± transverse mass distributions are close to those found in inelastic p+p reactions. The new results are compared to the world data on p+p and Pb+Pb collisions as well as to predictions of the Epos, Urqmd, Ampt, Phsd and Smash models.
- Jagiellonian University Poland
- National Research University of Electronic Technology Russian Federation
- University of Colorado System United States
- Karlsruhe Institute of Technology Germany
- University of Belgrade Serbia
NA61, matter [hadron], matter: interaction, momentum spectrum [transverse momentum], QC770-798, momentum [beam], Astrophysics, High Energy Physics - Experiment, transverse momentum: momentum spectrum, K: multiplicity, High Energy Physics - Experiment (hep-ex), [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], anti-p: multiplicity, Nuclear Experiment (nucl-ex), info:eu-repo/classification/ddc/530, scattering [nucleus nucleus], Nuclear Experiment, Physics, ddc:530, nucleus nucleus: scattering, multiplicity [anti-p], QB460-466, beam: momentum, slope, multiplicity [pi], deconfinement, CERN Lab, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], [PHYS.NEXP] Physics [physics]/Nuclear Experiment [nucl-ex], FOS: Physical sciences, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], yield [particle], 530, energy dependence, mass spectrum: transverse, Nuclear and particle physics. Atomic energy. Radioactivity, particle: yield, p: multiplicity, pi: multiplicity, CERN SPS, beryllium, 541, proton synchrotron, hadron: matter, rapidity spectrum, transverse [mass spectrum], multiplicity [K], interaction [matter], spectrometer, multiplicity [p], experimental results
NA61, matter [hadron], matter: interaction, momentum spectrum [transverse momentum], QC770-798, momentum [beam], Astrophysics, High Energy Physics - Experiment, transverse momentum: momentum spectrum, K: multiplicity, High Energy Physics - Experiment (hep-ex), [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], anti-p: multiplicity, Nuclear Experiment (nucl-ex), info:eu-repo/classification/ddc/530, scattering [nucleus nucleus], Nuclear Experiment, Physics, ddc:530, nucleus nucleus: scattering, multiplicity [anti-p], QB460-466, beam: momentum, slope, multiplicity [pi], deconfinement, CERN Lab, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], [PHYS.NEXP] Physics [physics]/Nuclear Experiment [nucl-ex], FOS: Physical sciences, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], yield [particle], 530, energy dependence, mass spectrum: transverse, Nuclear and particle physics. Atomic energy. Radioactivity, particle: yield, p: multiplicity, pi: multiplicity, CERN SPS, beryllium, 541, proton synchrotron, hadron: matter, rapidity spectrum, transverse [mass spectrum], multiplicity [K], interaction [matter], spectrometer, multiplicity [p], experimental results
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