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Neutral to charged kaon yield fluctuations in Pb - Pb collisions at , root S-NN=2.76 TeV

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21340%2F22%3A00363847" target="_blank" >RIV/68407700:21340/22:00363847 - isvavai.cz</a>

  • Result on the web

    <a href="https://doi.org/10.1016/j.physletb.2022.137242" target="_blank" >https://doi.org/10.1016/j.physletb.2022.137242</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.physletb.2022.137242" target="_blank" >10.1016/j.physletb.2022.137242</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Neutral to charged kaon yield fluctuations in Pb - Pb collisions at , root S-NN=2.76 TeV

  • Original language description

    We present the first measurement of event-by-event fluctuations in the kaon sector in Pb - Pb collisions at root S-NN = 2.76 TeV with the ALICE detector at the LHC. The robust fluctuation correlator nu(dyn) is used to evaluate the magnitude of fluctuations of the relative yields of neutral and charged kaons, as well as the relative yields of charged kaons, as a function of collision centrality and selected kinematic ranges. While the correlator nu(dyn) [K+,K-] exhibits a scaling approximately in inverse proportion of the charged particle multiplicity, nu(dyn)[K-S(0),K-+/-] features a significant deviation from such scaling. Within uncertainties, the value of nu(dyn) [K-S(0), K-+/-] is independent of the selected transverse momentum interval, while it exhibits a pseudorapidity dependence. The results are compared with HIJING, AMPT and EPOS-LHC predictions, and are further discussed in the context of the possible production of disoriented chiral condensates in central Pb - Pb collisions. (C) 2022 European Organization for Nuclear Research, ALICE. Published by Elsevier B.V.

  • 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

    2022

  • 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

    832

  • Issue of the periodical within the volume

    Sep

  • Country of publishing house

    NL - THE KINGDOM OF THE NETHERLANDS

  • Number of pages

    12

  • Pages from-to

  • UT code for WoS article

    000868818200001

  • EID of the result in the Scopus database

    2-s2.0-85132563537