Correlations of azimuthal anisotropy Fourier harmonics with subevent cumulants in pPb collisions at root s(NN)=8.16 TeV

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dc.contributor.author The CMS collaboration
dc.contributor.author Sirunyan, A. M.
dc.contributor.author Tumasyan, A.
dc.contributor.author Eerola, P.
dc.contributor.author Kirschenmann, H.
dc.contributor.author Pekkanen, Juska
dc.contributor.author Voutilainen, M.
dc.contributor.author Havukainen, J.
dc.contributor.author Heikkilä, J.K.
dc.contributor.author Järvinen, T.
dc.contributor.author Karimäki, V.
dc.contributor.author Kinnunen, R.
dc.contributor.author Lampén, T.
dc.contributor.author Lassila-Perini, K.
dc.contributor.author Laurila, S.
dc.contributor.author Lehti, S.
dc.contributor.author Lindén, T.
dc.contributor.author Luukka, P.
dc.contributor.author Mäenpää, T.
dc.contributor.author Siikonen, H.
dc.contributor.author Tuominen, E.
dc.contributor.author Tuominiemi, J.
dc.contributor.author Tuuva, T.
dc.date.accessioned 2021-03-25T07:25:02Z
dc.date.available 2021-03-25T07:25:02Z
dc.date.issued 2021-01-14
dc.identifier.citation The CMS Collaboration , Sirunyan , A M , Tumasyan , A , Eerola , P , Kirschenmann , H , Pekkanen , J , Voutilainen , M , Havukainen , J , Heikkilä , J K , Järvinen , T , Karimäki , V , Kinnunen , R , Lampén , T , Lassila-Perini , K , Laurila , S , Lehti , S , Lindén , T , Luukka , P , Mäenpää , T , Siikonen , H , Tuominen , E , Tuominiemi , J & Tuuva , T 2021 , ' Correlations of azimuthal anisotropy Fourier harmonics with subevent cumulants in pPb collisions at root s(NN)=8.16 TeV ' , Physical Review C , vol. 103 , no. 1 , 014902 . https://doi.org/10.1103/PhysRevC.103.014902
dc.identifier.other PURE: 161489913
dc.identifier.other PURE UUID: fd892bbb-377d-4d8e-ac2f-0887508cd3fa
dc.identifier.other WOS: 000607510800002
dc.identifier.other Scopus: 85099623310
dc.identifier.other ORCID: /0000-0002-7073-7767/work/91247345
dc.identifier.other ORCID: /0000-0002-5200-6477/work/91248576
dc.identifier.other ORCID: /0000-0001-7507-8636/work/91249610
dc.identifier.other ORCID: /0000-0003-2039-5874/work/91249672
dc.identifier.other ORCID: /0000-0001-7369-2536/work/91249968
dc.identifier.other ORCID: /0000-0003-2898-6900/work/91249976
dc.identifier.other ORCID: /0000-0002-0538-1469/work/91250221
dc.identifier.uri http://hdl.handle.net/10138/328336
dc.description.abstract Event-by-event long-range correlations of azimuthal anisotropy Fourier coefficients (v(n)) in 8.16 TeV pPb data, collected by the CMS experiment at the CERN Large Hadron Collider, are extracted using a subevent four-particle cumulant technique applied to very low multiplicity events. Each combination of four charged particles is selected from either two, three, or four distinct subevent regions of a pseudorapidity range from -2.4 to 2.4 of the CMS tracker, and with transverse momentum between 0.3 and 3.0 GeV. Using the subevent cumulant technique, correlations between v(n) of different orders are measured as functions of particle multiplicity and compared to the standard cumulant method without subevents over a wide event multiplicity range. At high multiplicities, the v(2) and v(3) coefficients exhibit an anticorrelation; this behavior is observed consistently using various methods. The v(2) and v(4) correlation strength is found to depend on the number of subevents used in the calculation. As the event multiplicity decreases, the results from different subevent methods diverge because of different contributions of noncollective or few-particle correlations. Correlations extracted with the four-subevent method exhibit a tendency to diminish monotonically toward the lowest multiplicity region (about 20 charged tracks) investigated. These findings extend previous studies to a significantly lower event multiplicity range and establish the evidence for the onset of long-range collective multiparticle correlations in small system collisions. en
dc.format.extent 17
dc.language.iso eng
dc.relation.ispartof Physical Review C
dc.rights cc_by
dc.rights.uri info:eu-repo/semantics/openAccess
dc.subject 114 Physical sciences
dc.subject PB-PB COLLISIONS
dc.subject ANGULAR-CORRELATIONS
dc.subject FLOW
dc.subject MULTIPLICITY
dc.subject COLLECTIVITY
dc.title Correlations of azimuthal anisotropy Fourier harmonics with subevent cumulants in pPb collisions at root s(NN)=8.16 TeV en
dc.type Article
dc.contributor.organization Department of Physics
dc.contributor.organization Helsinki Institute of Physics
dc.description.reviewstatus Peer reviewed
dc.relation.doi https://doi.org/10.1103/PhysRevC.103.014902
dc.relation.issn 2469-9985
dc.rights.accesslevel openAccess
dc.type.version publishedVersion

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