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Measurement of electrons from beauty-hadron decays in pp and Pb-Pb collisions at √sNN=5.02 TeV

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389005%3A_____%2F23%3A00578996" target="_blank" >RIV/61389005:_____/23:00578996 - isvavai.cz</a>

  • Alternative codes found

    RIV/68378271:_____/23:00578996

  • Result on the web

    <a href="https://doi.org/10.1103/PhysRevC.108.034906" target="_blank" >https://doi.org/10.1103/PhysRevC.108.034906</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1103/PhysRevC.108.034906" target="_blank" >10.1103/PhysRevC.108.034906</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Measurement of electrons from beauty-hadron decays in pp and Pb-Pb collisions at √sNN=5.02 TeV

  • Original language description

    The production of electrons from beauty-hadron decays was measured at midrapidity in proton-proton (pp) and central Pb-Pb collisions at center-of-mass energy per nucleon-nucleon pair root sNN = 5.02 TeV, using the ALICE detector at the LHC. The cross section measured in pp collisions in the transverse momentum interval 2 < pT < 8 GeV/c was compared with models based on perturbative quantum chromodynamics calculations. The yield in the 10% most central Pb-Pb collisions, measured in the interval 2 < pT < 26 GeV/c, was used to compute the nuclear modification factor R-AA, extrapolating the pp reference cross section to pT larger than 8 GeV/c. The measured RAA shows significant suppression of the yield of electrons from beauty-hadron decays at high pT and does not show a significant dependence above 8 GeV/c within uncertainties. The results are de-scribed by several theoretical models based on different implementations of the interaction of heavy quarks with a quark-gluon plasma, which predict a smaller energy loss for beauty quarks compared to light and charm quarks.

  • 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

    Physical Review C

  • ISSN

    2469-9985

  • e-ISSN

    2469-9993

  • Volume of the periodical

    108

  • Issue of the periodical within the volume

    3

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    24

  • Pages from-to

    034906

  • UT code for WoS article

    001097565500002

  • EID of the result in the Scopus database

    2-s2.0-85172763913