J/Psi production as a function of charged particle multiplicity in pp collisions at sqrts=7 TeV with the ALICE experiment

2012/02/27 by Porteboeuf-Houssais, Sarah
#FOS: Physical sciences #High Energy Physics - Experiment (hep-ex)

paper · doi:10.48550/arxiv.1202.5864

Abstract

We report on the first measurement of J/Psi production as a function of charged particle pseudo-rapidity density dN_ch/d_eta in pp collisions at sqrts = 7 TeV with the ALICE experiment at the LHC. J/Psi mesons are detected down to p_T = 0 via their decays into e+e- pairs at mid-rapidity (|y| < 0.9) and into mu+mu- pairs at forward rapidity (2.5

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