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Measurement of longitudinal flow decorrelations in Pb+Pb collisions at √sNN =2.76 and 5.02 TeV with the ATLAS detector

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F18%3A00500352" target="_blank" >RIV/68378271:_____/18:00500352 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.1140/epjc/s10052-018-5605-7" target="_blank" >http://dx.doi.org/10.1140/epjc/s10052-018-5605-7</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1140/epjc/s10052-018-5605-7" target="_blank" >10.1140/epjc/s10052-018-5605-7</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Measurement of longitudinal flow decorrelations in Pb+Pb collisions at √sNN =2.76 and 5.02 TeV with the ATLAS detector

  • Original language description

    Measurements of longitudinal flow correlations are presented for charged particles in the pseudorapidity range |η|<2.4 using 7 and 470 upmub−1 of Pb+Pb collisions at sNN−−−√=2.76 and 5.02 TeV, respectively, recorded by the ATLAS detector at the LHC. It is found that the correlation between the harmonic flow coefficients vn measured in two separated η intervals does not factorise into the product of single-particle coefficients, and this breaking of factorisation, or flow decorrelation, increases linearly with the η separation between the intervals. The flow decorrelation is stronger at 2.76 TeV than at 5.02 TeV. Higher-order moments of the correlations are also measured, and the corresponding linear coefficients for the kth -moment of the vn are found to be proportional to k for v3 , but not for v2 . The decorrelation effect is separated into contributions from the magnitude of vn and the event-plane orientation, each as a function of η .n

  • 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

    <a href="/en/project/LTT17018" target="_blank" >LTT17018: Getting new knowledge of the microworld using the CERN infrastructure</a><br>

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2018

  • 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

    78

  • Issue of the periodical within the volume

    2

  • Country of publishing house

    DE - GERMANY

  • Number of pages

    37

  • Pages from-to

  • UT code for WoS article

    000425395800005

  • EID of the result in the Scopus database

    2-s2.0-85042405179