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http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png J/$\psi$ production as a function of charged particle multiplicity in $pp$ collisions at $\sqrt{s}=7$ TeV with the ALICE experiment

Porteboeuf-Houssais, S. ; ALICE Collaboration (Collaboration author)

2012
Deutsches Elektronen-Synchrotron, DESY Hamburg

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Please use a persistent id in citations: doi:10.3204/DESY-PROC-2012-03/5  doi:10.3204/DESY-PROC-2012-03/5

Report No.: DESY-PROC-2012-03; 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 sqrt{s} = 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<y<4). dN_ch/d_eta is measured within |eta| < 1. We compare results in the two different J/Psi rapidity ranges. Preliminary PYTHIA simulations are also presented.

Keyword(s): J/psi(3100): production ; charged particle: multiplicity ; p p: scattering ; CERN LHC Coll ; rapidity ; ALICE ; psi mesons ; density ; PYTHIA

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Contributing Institute(s):

1. Theorie-Gruppe (T)

Research Program(s):

1. 514 - Theoretical Particle Physics (POF2-514) (POF2-514)

Experiment(s):

1. No specific instrument

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Database coverage:

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Linked articles:

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Proceedings/Internal Report Plätzer, S. (Editor)DESY* ; Diehl, M. (Editor)DESY*
Proceedings, 3rd International Workshop on Multiple Partonic Interactions at the LHC (MPI@LHC 2011)
20123rd International Workshop on Multiple Partonic Interactions at the LHC, MPI@LHC 2011, HamburgHamburg, Germany, 21 Nov 2011 - 25 Nov 20112011-11-212011-11-25 Hamburg : Deutsches Elektronen-Synchrotron, DESY (2012) [10.3204/DESY-PROC-2012-03]2012     Files BibTeX | EndNote: XML, Text | RIS

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