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J/ψ production as a function of charged-particle pseudorapidity density in p-Pb collisions at sNN‾‾‾‾√=5.02 TeV

arXiv.org e-print Archiv (Hrsg). Bd. arXiv:1704.00274 [nucl-ex]. Genf, Schweiz. 2017 S. 1 - 24

Erscheinungsjahr: 2017

Publikationstyp: Diverses (Forschungsbericht)

Sprache: Englisch

GeprüftBibliothek

Inhaltszusammenfassung


We report measurements of the inclusive J/ψ yield and average transverse momentum as a function of charged-particle pseudorapidity density dNch/dη in p-Pb collisions at sNN‾‾‾‾√=5.02 TeV with ALICE at the LHC. The observables are normalised to their corresponding averages in non-single diffractive events. An increase of the normalised J/ψ yield with normalised dNch/dη is observed at mid-rapidity and backward rapidity, similar to that found earlier in pp collisions. At forward rapidity, a satu...We report measurements of the inclusive J/ψ yield and average transverse momentum as a function of charged-particle pseudorapidity density dNch/dη in p-Pb collisions at sNN‾‾‾‾√=5.02 TeV with ALICE at the LHC. The observables are normalised to their corresponding averages in non-single diffractive events. An increase of the normalised J/ψ yield with normalised dNch/dη is observed at mid-rapidity and backward rapidity, similar to that found earlier in pp collisions. At forward rapidity, a saturation of the relative yield is observed for high charged-particle multiplicities. The normalised average transverse momentum at forward and backward rapidity increases with multiplicity at low multiplicities and saturates beyond moderate multiplicities. In addition, the forward-to-backward nuclear modification factor ratio is also reported, showing an increasing suppression of J/ψ production at forward rapidity with respect to backward rapidity for increasing charged-particle multiplicity. » weiterlesen» einklappen

  • Carged-Particle
  • Density
  • Pb-collision

Autoren


Adamova, D. (Autor)
Aggarwal, M. M. (Autor)
Aglieri Rinella, G. (Autor)

Klassifikation


DDC Sachgruppe:
Physik

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