Measurement of the flow harmonic correlations in pp, p plus Pb and low multiplicity Pb plus Pb collisions with the ATLAS detector at the LHC

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dc.WoS.categoriesPhysics, Nuclearen_US
dc.authorid0000-0001-5050-8441en_US
dc.contributor.authorÇetin, Serkant Ali
dc.date.accessioned2021-02-05T06:43:20Z
dc.date.available2021-02-05T06:43:20Z
dc.date.issued2019-02
dc.departmentFakülteler, Mühendislik ve Doğa Bilimleri Fakültesi, Enerji Sistemleri Mühendisliği Bölümüen_US
dc.description.abstractRecent measurements of the correlations between flow harmonics obtained using four-particle symmetric cumulants and three-particle asymmetric cumulants with the ATLAS detector at the LHC are described. The data sets of pp, p+Pb and peripheral Pb+Pb collisions at various energies are analyzed, aiming to probe the long-range collective nature of multi-particle production in small systems. The sensitivity of the standard cumulant method to non-flow correlations is investigated by introducing the subevents method. A systematic reduction of non-flow effects is observed when using the two-subevent method. Further reduction is observed with the three-subevent method that is consistent with the results obtained with the four-subevent one. A negative correlation between v(2) and v(3) and a positive correlation between v(2) and v(4), for all studied collision systems and over full multiplicity range, is observed. The correlation strength computed as symmetric cumulants normalized by the < v(n)(2)> is similar for all collision systems and weakly depends on multiplicity. These measurements provide new evidence for long-range multi-particle collectivity in small collision systems and quantify the nature of its event-by-event fluctuations.en_US
dc.fullTextLevelFull Texten_US
dc.identifier.doi10.1016/j.nuclphysa.2018.09.076
dc.identifier.issn1873-1554
dc.identifier.issn0375-9474
dc.identifier.urihttps://hdl.handle.net/11411/3213
dc.identifier.urihttps://doi.org/10.1016/j.nuclphysa.2018.09.076
dc.identifier.wosWOS:000457515500105en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.language.isoenen_US
dc.nationalInternationalen_US
dc.numberofauthors200+en_US
dc.pages479-482en_US
dc.publisherELSEVIERen_US
dc.relation.ispartofNUCLEAR PHYSICS Aen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectQGPen_US
dc.subjectheavy ion collisionsen_US
dc.subjectsmall systemsen_US
dc.subjectcollectivityen_US
dc.subjectsymmetric cumulantsen_US
dc.subjectsubevent cumulantsen_US
dc.titleMeasurement of the flow harmonic correlations in pp, p plus Pb and low multiplicity Pb plus Pb collisions with the ATLAS detector at the LHC
dc.typeArticle
dc.volume982en_US

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