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Measurement of the Z(-> ℓ+ℓ−)γ production cross-section in pp collisions at √s = 13 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_____%2F20%3A00535236" target="_blank" >RIV/68378271:_____/20:00535236 - isvavai.cz</a>

  • Result on the web

    <a href="http://hdl.handle.net/11104/0313313" target="_blank" >http://hdl.handle.net/11104/0313313</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1007/JHEP03(2020)054" target="_blank" >10.1007/JHEP03(2020)054</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Measurement of the Z(-> ℓ+ℓ−)γ production cross-section in pp collisions at √s = 13 TeV with the ATLAS detector

  • Original language description

    The production of a prompt photon in association with a ZZ boson is studied in proton-proton collisions at a centre-of-mass energy sqrt{s} = s= 13 TeV. The analysis uses a data sample with an integrated luminosity of 139 fb^{-1}−1 collected by the ATLAS detector at the LHC from 2015 to 2018. The production cross-section for the process pp ightarrow ell^+ell^-gamma+Xpp→ℓ + ℓ −γ+X (ell = e, muℓ=e,μ) is measured within a fiducial phase-space region defined by kinematic requirements on the photon and the leptons, and by isolation requirements on the photon. An experimental precision of 2.9% is achieved for the fiducial cross-section. Differential cross-sections are measured as a function of each of six kinematic variables characterising the ell^+ell^-gammaℓ + ℓ −γ system. The data are compared with theoretical predictions based on next-to-leading-order and next-to-next-to-leading-order perturbative QCD calculations.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

    2020

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Journal of High Energy Physics

  • ISSN

    1029-8479

  • e-ISSN

  • Volume of the periodical

    2020

  • Issue of the periodical within the volume

    3

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    52

  • Pages from-to

    1-52

  • UT code for WoS article

    000519163600001

  • EID of the result in the Scopus database

    2-s2.0-85081744973