J/psi production as a function of charged-particle pseudorapidity density in p-Pb collisions at root s(NN)=5.02 TeV

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The ALICE Collaboration , Adamová , D , Brucken , E J , Chang , B , Kim , D J , Litichevskyi , V , Mieskolainen , M M , Orava , R , Rak , J , Räsänen , S S , Saarinen , S , Slupecki , M , Snellman , T W , Trzaska , W H , Vargyas , M & Viinikainen , J 2018 , ' J/psi production as a function of charged-particle pseudorapidity density in p-Pb collisions at root s(NN)=5.02 TeV ' , Physics Letters B , vol. 776 , pp. 91-104 . https://doi.org/10.1016/j.physletb.2017.11.008

Title: J/psi production as a function of charged-particle pseudorapidity density in p-Pb collisions at root s(NN)=5.02 TeV
Author: The ALICE collaboration; Adamová, D.; Brucken, E.J.; Chang, B.; Kim, D.J.; Litichevskyi, V.; Mieskolainen, M.M.; Orava, R.; Rak, J.; Räsänen, S.S.; Saarinen, S.; Slupecki, M.; Snellman, T.W.; Trzaska, W.H.; Vargyas, M.; Viinikainen, J.
Contributor organization: Helsinki Institute of Physics
Date: 2018-01-10
Language: eng
Number of pages: 14
Belongs to series: Physics Letters B
ISSN: 0370-2693
DOI: https://doi.org/10.1016/j.physletb.2017.11.008
URI: http://hdl.handle.net/10138/234467
Abstract: We report measurements of the inclusive J/psi yield and average transverse momentum as a function of charged-particle pseudorapidity density dNch/d.in p-Pb collisions at root s(NN)= 5.02 TeVwith ALICE at the LHC. The observables are normalised to their corresponding averages in non-single diffractive events. An increase of the normalised J/psi yield with normalised dN(ch)/d(eta), 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/psi production at forward rapidity with respect to backward rapidity for increasing charged-particle multiplicity. (C) 2017 The Author. Published by Elsevier B. V.
Subject: 114 Physical sciences
TRANSVERSE-MOMENTUM DEPENDENCE
QED RADIATIVE-CORRECTIONS
UNIVERSAL MONTE-CARLO
MULTIPLICITY DEPENDENCE
ANGULAR-CORRELATIONS
LONG-RANGE
SUPPRESSION
PROTON
LHC
RAPIDITY
Peer reviewed: Yes
Rights: cc_by
Usage restriction: openAccess
Self-archived version: publishedVersion


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