Charged particle (pseudo-)rapidity distributions in proton+anti-proton/proton+proton and Pb+Pb/Au+Au collisions from SPS to LHC energies from UrQMD

Gunnar Graef; Hannah Petersen; Marcus Bleicher; Michael Mitrovski; Tim Schuster

arxiv: 0812.2041 · v2 · submitted 2008-12-10 · ✦ hep-ph

Charged particle (pseudo-)rapidity distributions in proton+anti-proton/proton+proton and Pb+Pb/Au+Au collisions from SPS to LHC energies from UrQMD

Michael Mitrovski , Tim Schuster , Gunnar Graef , Hannah Petersen , Marcus Bleicher This is my paper

classification ✦ hep-ph

keywords chargedenergiesdistributionsparticleprotonpseudo-pseudorapidityrapidity

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We present results for final state charged particle (pseudo-)rapidity distributions in $\rm{p}$ + $\bar{\rm{p}}$ / $\rm{p}$ + $\rm{p}$ and Pb+Pb/Au+Au at ultra high energies (17.3 GeV $\leq$ $\sqrt{s_{\rm{NN}}}$ $\leq$ 14 TeV) from the Ultra-relativistic Quantum Molecular Dynamics (UrQMD-v2.3) model. In addition, excitation functions of produced charged particle multiplicities ($N_{\rm{ch}}$) and pseudorapidity spectra are investigated up to LHC energies. Good agreement is observed between UrQMD and measured pseudorapidity distributions of charged particles up to the highest Tevatron and Sp$\bar{\rm{p}}$S energies.

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