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Measurements of azimuthal anisotropies at forward and backward rapidity with muons in high-multiplicity p-Pb collisions at √sNN=8.16 TeV

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389005%3A_____%2F23%3A00579699" target="_blank" >RIV/61389005:_____/23:00579699 - isvavai.cz</a>

  • Alternative codes found

    RIV/68378271:_____/23:00579699

  • Result on the web

    <a href="https://doi.org/10.1016/j.physletb.2023.137782" target="_blank" >https://doi.org/10.1016/j.physletb.2023.137782</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.physletb.2023.137782" target="_blank" >10.1016/j.physletb.2023.137782</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Measurements of azimuthal anisotropies at forward and backward rapidity with muons in high-multiplicity p-Pb collisions at √sNN=8.16 TeV

  • Original language description

    The study of the azimuthal anisotropy of inclusive muons produced in p-Pb collisions at root sNN = 8.16 TeV, using the ALICE detector at the LHC is reported. The measurement of the second-order Fourier coefficient of the particle azimuthal distribution, v2, is performed as a function of transverse momentum pT in the 0-20% high-multiplicity interval at both forward (2.03 < yCMS < 3.53) and backward (-4.46 < yCMS < -2.96) rapidities over a wide pT range, 0.5 < pT 10 GeV/c, in which a dominant contribution of muons from heavy-flavour hadron decays is expected at pT 2 GeV/c. The v2 coefficient of inclusive muons is extracted using two different techniques, namely two-particle cumulants, used for the first time for heavy-flavour measurements, and forward-central two-particle correlations. Both techniques give compatible results. A positive v2 is measured at both forward and backward rapidities with a significance larger than 4.7 and 7.6 sigma, respectively, in the interval 2 < pT < 6 GeV/c. Comparisons with previous measurements in p-Pb collisions at root sNN = 5.02 TeV, and with AMPT and CGC-based theoretical calculations are discussed. The findings impose new constraints on the theoretical interpretations of the origin of the collective behaviour in small collision systems.

  • 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

    10304 - Nuclear physics

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2023

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Physics Letters. B

  • ISSN

    0370-2693

  • e-ISSN

    1873-2445

  • Volume of the periodical

    846

  • Issue of the periodical within the volume

    NOV

  • Country of publishing house

    NL - THE KINGDOM OF THE NETHERLANDS

  • Number of pages

    20

  • Pages from-to

    137782

  • UT code for WoS article

    001088286800001

  • EID of the result in the Scopus database

    2-s2.0-85172706094