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Title: Explore the high-density QCD medium via particle correlations in pPb collisions at CMS

The observation of a long-range, near-side two-particle correlation (“ridge”) in very high multiplicity proton–proton and proton–lead collisions has opened up new opportunity of studying novel QCD phenomena in small collision systems. In 2013, high luminosity pPb data were collected by the CMS experiment at the LHC. New results of two- and multi-particle correlations in pPb collisions from CMS are presented over a wide event multiplicity and transverse momentum range. A direct comparison of pPb and PbPb systems is provided. Physics implications, especially in the context of color glass condensate and hydrodynamics models are also discussed.
Authors:
Publication Date:
OSTI Identifier:
22447582
Resource Type:
Journal Article
Resource Relation:
Journal Name: Annals of Physics; Journal Volume: 352; Other Information: Copyright (c) 2015 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; CERN LHC; CMS DETECTOR; HYDRODYNAMICS; LEAD; PROTON-PROTON INTERACTIONS; QUANTUM CHROMODYNAMICS; TRANSVERSE MOMENTUM