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dc.date.accessioned2018-12-21T13:26:04Z
dc.date.available2018-12-21T13:26:04Z
dc.date.created2018-05-11T14:10:46Z
dc.date.issued2018
dc.identifier.citationAaboud, Morad Aad, Georges Abbott, Brad Abdinov, Ovsat Bahram oglu Abeloos, Baptiste Abidi, Syed Haider AbouZeid, Hass Abraham, Nadine L. Abramowicz, Halina Abreu, Henso Buanes, Trygve Dale, Ørjan Eigen, Gerald Liebig, Wolfgang Lipniacka, Anna Martin dit Latour, Bertrand Mæland, Steffen Stugu, Bjarne Yang, Zongchang Zalieckas, Justas Bugge, Magnar Kopangen Cameron, David Gordon Catmore, James Richard Feigl, Simon Franconi, Laura Garonne, Vincent Gjelsten, Børge Kile Gramstad, Eirik Morisbak, Vanja Nilsen, Jon Kerr Oppen, Henrik Ould-Saada, Farid Raddum, Silje Hattrem Read, Alexander Lincoln Røhne, Ole Myren Sandaker, Heidi Serfon, Cédric Stapnes, Steinar Vadla, Knut Oddvar Høie Abreu, Rômulo F. Abulaiti, Yiming Acharya, Bobby S. Adachi, Shunsuke Adamczyk, Leszek Adelman, Jareed Adersberger, Michael Adye, Tim Affolder, Anthony Allen Afik, Yoav Agatonovic-Jovin, Tatjana ATLAS, Collaboration . Measurement of long-range multiparticle azimuthal correlations with the subevent cumulant method in pp and p +Pb collisions with the ATLAS detector at the CERN Large Hadron Collider. Physical Review C. 2018, 97:024904(2), 1-25
dc.identifier.urihttp://hdl.handle.net/10852/65974
dc.description.abstractA detailed study of multiparticle azimuthal correlations is presented using pp data at √s = 5.02 and 13 TeV, and p+Pb data at √sNN = 5.02 TeV, recorded with the ATLAS detector at the CERN Large Hadron Collider. The azimuthal correlations are probed using four-particle cumulants cn{4} and flow coefficients vn{4} = (−cn{4}) 1/4 for n = 2 and 3, with the goal of extracting long-range multiparticle azimuthal correlation signals and suppressing the short-range correlations. The values of cn{4} are obtained as a function of the average number of charged particles per event, Nch , using the recently proposed two-subevent and three-subevent cumulant methods, and compared with results obtained with the standard cumulant method. The standard method is found to be strongly biased by short-range correlations, which originate mostly from jets with a positive contribution to cn{4}. The threesubevent method, on the other hand, is found to be least sensitive to short-range correlations. The three-subevent method gives a negative c2{4}, and therefore a well-defined v2{4}, nearly independent of Nch , which implies that the long-range multiparticle azimuthal correlations persist to events with low multiplicity. Furthermore, v2{4} is found to be smaller than the v2{2} measured using the two-particle correlation method, as expected for long-range collective behavior. Finally, the measured values of v2{4} and v2{2} are used to estimate the number of sources relevant for the initial eccentricity in the collision geometry. The results based on the subevent cumulant technique provide direct evidence, in small collision systems, for a long-range collectivity involving many particles distributed across a broad rapidity interval.en_US
dc.languageEN
dc.publisherAmerican Physical Society
dc.rightsAttribution 4.0 International
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.titleMeasurement of long-range multiparticle azimuthal correlations with the subevent cumulant method in pp and p +Pb collisions with the ATLAS detector at the CERN Large Hadron Collideren_US
dc.typeJournal articleen_US
dc.creator.authorAaboud, Morad
dc.creator.authorAad, Georges
dc.creator.authorAbbott, Brad
dc.creator.authorAbdinov, Ovsat Bahram oglu
dc.creator.authorAbeloos, Baptiste
dc.creator.authorAbidi, Syed Haider
dc.creator.authorAbouZeid, Hass
dc.creator.authorAbraham, Nadine L.
dc.creator.authorAbramowicz, Halina
dc.creator.authorAbreu, Henso
dc.creator.authorBuanes, Trygve
dc.creator.authorDale, Ørjan
dc.creator.authorEigen, Gerald
dc.creator.authorLiebig, Wolfgang
dc.creator.authorLipniacka, Anna
dc.creator.authorMartin dit Latour, Bertrand
dc.creator.authorMæland, Steffen
dc.creator.authorStugu, Bjarne
dc.creator.authorYang, Zongchang
dc.creator.authorZalieckas, Justas
dc.creator.authorBugge, Magnar Kopangen
dc.creator.authorCameron, David Gordon
dc.creator.authorCatmore, James Richard
dc.creator.authorFeigl, Simon
dc.creator.authorFranconi, Laura
dc.creator.authorGaronne, Vincent
dc.creator.authorGjelsten, Børge Kile
dc.creator.authorGramstad, Eirik
dc.creator.authorMorisbak, Vanja
dc.creator.authorNilsen, Jon Kerr
dc.creator.authorOppen, Henrik
dc.creator.authorOuld-Saada, Farid
dc.creator.authorRaddum, Silje Hattrem
dc.creator.authorRead, Alexander Lincoln
dc.creator.authorRøhne, Ole Myren
dc.creator.authorSandaker, Heidi
dc.creator.authorSerfon, Cédric
dc.creator.authorStapnes, Steinar
dc.creator.authorVadla, Knut Oddvar Høie
dc.creator.authorAbreu, Rômulo F.
dc.creator.authorAbulaiti, Yiming
dc.creator.authorAcharya, Bobby S.
dc.creator.authorAdachi, Shunsuke
dc.creator.authorAdamczyk, Leszek
dc.creator.authorAdelman, Jareed
dc.creator.authorAdersberger, Michael
dc.creator.authorAdye, Tim
dc.creator.authorAffolder, Anthony Allen
dc.creator.authorAfik, Yoav
dc.creator.authorAgatonovic-Jovin, Tatjana
dc.creator.authorATLAS, Collaboration
cristin.unitcode185,15,4,0
cristin.unitnameFysisk institutt
cristin.ispublishedtrue
cristin.fulltextoriginal
cristin.qualitycode1
dc.identifier.cristin1584608
dc.identifier.bibliographiccitationinfo:ofi/fmt:kev:mtx:ctx&ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Physical Review C&rft.volume=97:024904&rft.spage=1&rft.date=2018
dc.identifier.jtitlePhysical Review C
dc.identifier.volume97:024904
dc.identifier.issue2
dc.identifier.startpage1
dc.identifier.endpage25
dc.identifier.doihttp://dx.doi.org/10.1103/PhysRevC.97.024904
dc.identifier.urnURN:NBN:no-68491
dc.subject.nviVDP::Kjerne- og elementærpartikkelfysikk: 431
dc.type.documentTidsskriftartikkelen_US
dc.type.peerreviewedPeer reviewed
dc.source.issn2469-9985
dc.identifier.fulltextFulltext https://www.duo.uio.no/bitstream/handle/10852/65974/1/1584608.pdf
dc.type.versionPublishedVersion


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