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Title
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Observation of correlated azimuthal anisotropy Fourier harmonics in pp and p + Pb Collisions at the LHC
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Author
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Institution/Organisation
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CMS Collaboration
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Abstract
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| The azimuthal anisotropy Fourier coefficients (v(n)) in 8.16 TeV p + Pb data are extracted via long-range two-particle correlations as a function of the event multiplicity and compared to corresponding results in pp and PbPb collisions. Using a four-particle cumulant technique, v(n) correlations are measured for the first time in pp and p + Pb collisions. The v(2) and v(4) coefficients are found to be positively correlated in all collision systems. For high-multiplicity p + Pb collisions, an anticorrelation of v(2) and v(3) is observed, with a similar correlation strength as in PbPb data at the same multiplicity. The new correlation results strengthen the case for a common origin of the collectivity seen in p + Pb and PbPb collisions in the measured multiplicity range. |
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Language
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English
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Source (journal)
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Physical review letters. - New York, N.Y., 1958, currens
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Publication
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New York, N.Y.
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American Physical Society
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2018
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ISSN
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0031-9007
[print]
1079-7114
[online]
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DOI
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10.1103/PHYSREVLETT.120.092301
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Volume/pages
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120
:9
(2018)
, 17 p.
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Article Reference
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092301
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ISI
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000426046000002
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Pubmed ID
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29547300
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Medium
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E-only publicatie
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Full text (Publisher's DOI)
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Full text (open access)
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