J/Psi production as a function of charged particle multiplicity in pp collisions at sqrts=7 TeV with the ALICE experiment
Abstract
We report on the first measurement of J/Psi production as a function of charged particle pseudo-rapidity density dNch/deta in pp collisions at sqrts = 7 TeV with the ALICE experiment at the LHC. J/Psi mesons are detected down to pT = 0 via their decays into e+e- pairs at mid-rapidity (|y| < 0.9) and into mu+mu- pairs at forward rapidity (2.5<y<4). dNch/deta is measured within |eta| < 1. We compare results in the two different J/Psi rapidity ranges. Preliminary PYTHIA simulations are also presented.
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