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Measurement of higher-order harmonic azimuthal anisotropy in PbPb collisions at $\sqrt{s_{NN}}$ = 2.76 TeV

2014-04-11Journal article Open access
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dc.contributor.authorCMS collaboration (2202 authors)
dc.contributor.authorHollar, Jonathan
dc.contributor.authorNayak, Aruna
dc.contributor.authorCalpas, Betty
dc.contributor.authorBargassa, Pedrame
dc.contributor.authorBeirão Da Cruz E Silva, Cristóvão
dc.contributor.authorFaccioli, Pietro
dc.contributor.authorFerreira Parracho, Pedro Guilherme
dc.contributor.authorGallinaro, Michele
dc.contributor.authorNguyen, Federico
dc.contributor.authorRodrigues Antunes, Joao
dc.contributor.authorSeixas, Joao
dc.contributor.authorVarela, Joao
dc.contributor.authorVischia, Pietro
dc.contributor.authorLloret Iglesias, Lara
dc.contributor.authorDavid Tinoco Mendes, Andre
dc.contributor.authorMusella, Pasquale
dc.contributor.authorSilva, Pedro
dc.contributor.authorPela, Joao
dc.contributor.authorLeonardo, Nuno
dc.date.accessioned2019-02-03T23:39:47Z
dc.date.available2019-02-03T23:39:47Z
dc.date.issued2014-04-11
dc.date.updated2019-02-03T23:39:47Z
dc.description.abstractMeasurements are presented by the CMS Collaboration at the Large Hadron Collider (LHC) of the higher-order harmonic coefficients that describe the azimuthal anisotropy of charged particles emitted in sqrt(s[NN]) = 2.76 TeV PbPb collisions. Expressed in terms of the Fourier components of the azimuthal distribution, the n = 3-6 harmonic coefficients are presented for charged particles as a function of their transverse momentum (0.3 < pt < 8.0 GeV), collision centrality (0-70%), and pseudorapidity (abs(eta) < 2.0). The data are analyzed using the event plane, multiparticle cumulant, and Lee-Yang zeros methods, which provide different sensitivities to initial-state fluctuations. Taken together with earlier LHC measurements of elliptic flow (n = 2), the results on higher-order harmonic coefficients develop a more complete picture of the collective motion in high-energy heavy-ion collisions and shed light on the properties of the produced medium.
dc.description.versionPeer Reviewed
dc.identifierPhys.Rev. C89 (2014) 044906; DOI 10.1103/PhysRevC.89.044906
dc.identifier.urihttp://dx.doi.org/10.1103/PhysRevC.89.044906
dc.identifier.urihttp://hdl.handle.net/10400.26/26494
dc.language.isoeng
dc.titleMeasurement of higher-order harmonic azimuthal anisotropy in PbPb collisions at $\sqrt{s_{NN}}$ = 2.76 TeV
dc.typejournal article
dspace.entity.typePublication
rcaap.rightsopenAccesspt
rcaap.typearticle

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