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

Adamová, D. and Aggarwal M.M., M.M. and Aglieri Rinella, G. and et al., . (2018) J/ψ production as a function of charged-particle pseudorapidity density in p–Pb collisions at sNN=5.02TeV. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 776. pp. 91-104. ISSN 03702693

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Abstract

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=5.02TeV 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, measured at mid-rapidity, is observed at mid-rapidity and backward rapidity. 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 rapidities 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.

Item Type: Article
Subjects: Q Science > QC Physics
Divisions: Faculties > Faculty of Science > Department of Physics
Depositing User: AMU Library
Date Deposited: 20 Jan 2018 09:32
Last Modified: 20 Jan 2018 09:40
URI: http://ir.amu.ac.in/id/eprint/10889

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