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Measurement of flow harmonics correlations with mean transverse momentum in lead–lead and proton–lead collisions at √sNN=5.02TeV with the ATLAS detector

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989592%3A15310%2F19%3A73597501" target="_blank" >RIV/61989592:15310/19:73597501 - isvavai.cz</a>

  • Alternative codes found

    RIV/68378271:_____/19:00520905

  • Result on the web

    <a href="https://link.springer.com/content/pdf/10.1140/epjc/s10052-019-7489-6.pdf" target="_blank" >https://link.springer.com/content/pdf/10.1140/epjc/s10052-019-7489-6.pdf</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1140/epjc/s10052-019-7489-6" target="_blank" >10.1140/epjc/s10052-019-7489-6</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Measurement of flow harmonics correlations with mean transverse momentum in lead–lead and proton–lead collisions at √sNN=5.02TeV with the ATLAS detector

  • Original language description

    To assess the properties of the quark–gluon plasma formed in ultrarelativistic ion collisions, the ATLAS experiment at the LHC measures a correlation between the mean transverse momentum and the flow harmonics. The analysis uses data samples of lead–lead and proton–lead collisions obtained at the centre-of-mass energy per nucleon pair of 5.02 TeV, corresponding to total integrated luminosities of 22μb-1 and 28nb-1, respectively. The measurement is performed using a modified Pearson correlation coefficient with the charged-particle tracks on an event-by-event basis. The modified Pearson correlation coefficients for the 2nd-, 3rd-, and 4th-order flow harmonics are measured in the lead–lead collisions as a function of event centrality quantified as the number of charged particles or the number of nucleons participating in the collision. The measurements are performed for several intervals of the charged-particle transverse momentum. The correlation coefficients for all studied harmonics exhibit a strong centrality evolution, which only weakly depends on the charged-particle momentum range. In the proton–lead collisions, the modified Pearson correlation coefficient measured for the 2nd-order flow harmonics shows only weak centrality dependence. The lead-lead data is qualitatively described by the predictions based on the hydrodynamical model. © 2019, CERN for the benefit of the ATLAS collaboration.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10303 - Particles and field physics

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2019

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    EUROPEAN PHYSICAL JOURNAL C

  • ISSN

    1434-6044

  • e-ISSN

  • Volume of the periodical

    79

  • Issue of the periodical within the volume

    12

  • Country of publishing house

    DE - GERMANY

  • Number of pages

    29

  • Pages from-to

    "985-1"-"985-29"

  • UT code for WoS article

    000505552500002

  • EID of the result in the Scopus database

    2-s2.0-85076102833