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Baryon Stopping and Charged Particle Distributions in Central Pb+Pb Collisions at 158 GeV per Nucleon

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arxiv nucl-ex/9810014 v3 pith:NADWMT3J submitted 1998-10-21 nucl-ex

classification nucl-ex
keywords collisionsbaryoncentraldistributionsmeanptsizesystemcalculations
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Net proton and negative hadron spectra for central \PbPb collisions at 158 GeV per nucleon at the CERN SPS were measured and compared to spectra from lighter systems. Net baryon distributions were derived from those of net protons, utilizing model calculations of isospin contributions as well as data and model calculations of strange baryon distributions. Stopping (rapidity shift with respect to the beam) and mean transverse momentum \meanpt of net baryons increase with system size. The rapidity density of negative hadrons scales with the number of participant nucleons for nuclear collisions, whereas their \meanpt is independent of system size. The \meanpt dependence upon particle mass and system size is consistent with larger transverse flow velocity at midrapidity for \PbPb compared to \SS central collisions.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. OpenAlex reports about 282 citations worldwide. Full citation record

  1. Rapidity dependence of mean transverse momentum fluctuation and decorrelation in baryon-dense medium

    nucl-th 2026-02 unverdicted novelty 5.0 of 10

    Mean transverse momentum fluctuations in baryon-rich matter are driven by energy and baryon density variations, remain robust to baryon diffusion, and show splitting between protons and antiprotons.

  2. Dynamics of Hot QCD Matter 2024 -- Bulk Properties

    nucl-th 2024-12 conditional novelty 5.0 of 10

    This proceedings volume collects 19 conference contributions on the bulk properties of hot QCD matter, mostly extending established models and comparing them with lattice QCD and heavy-ion data.

  3. Directed Flow of Protons and Deuterons in Xe+Cs(I) Collisions: Preliminary BM@N Data and THESEUS Modeling

    nucl-ex 2026-08 conditional novelty 4.0 of 10

    Comparing preliminary BM@N proton and deuteron directed flow with THESEUS shows good proton agreement and a slight deuteron overestimation, tentatively supporting thermodynamic light-nucleus formation.

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