Possibility for $J/\Psi$ suppression in high multiplicity proton-proton collisions at $\sqrt{s_{NN}}=7$TeV

Abstract

We study $J/\Psi$ absorption in high multiplicity proton-proton (pp) collisions at $\sqrt{s_{NN}}=7$TeV. We predict a modification of the $J/\Psi$-yield within the UrQMD transport approach, where explicit interactions of the $J/\Psi$ with the surrounding comovers and a prehadronic phase with adjusted cross sections and $J/\Psi$ melting is included. We present the analog of the nuclear modification factor in pp collisions at various charged particle multiplicities. It turns out that $J/\Psi$-Mesons may be suppressed towards higher particle multiplicities in pp collisions at LHC energies.

5 pages, 3 figures

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• Energy dependence of $J/\psi$ production in pp collisions with the PACIAE model
• Strangeness in Quark Matter 2013: Opening Talk
• Kaon production in high multiplicity events at the LHC
• Hadronic Rescattering in pA and AA Collisions