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Measurement of WW/WZ→ℓνqq′production with the hadronically decaying boson reconstructed as one or two jets in pp collisions at √s = 8 TeV with ATLAS, and constraints on anomalous gauge couplings

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    0487665 - FZÚ 2018 RIV DE eng J - Journal Article
    Aaboud, M. - Aad, G. - Abbott, B. - Chudoba, Jiří - Hejbal, Jiří - Hladík, Ondřej - Jakoubek, Tomáš - Kepka, Oldřich - Kroll, Jiří - Kupčo, Alexander - Kůs, Vlastimil - Lokajíček, Miloš - Lysák, Roman - Marčišovský, Michal - Mikeštíková, Marcela - Němeček, Stanislav - Penc, Ondřej - Šícho, Petr - Staroba, Pavel - Svatoš, Michal - Taševský, Marek … Total 2877 authors
    Measurement of WW/WZ→ℓνqq′production with the hadronically decaying boson reconstructed as one or two jets in pp collisions at √s = 8 TeV with ATLAS, and constraints on anomalous gauge couplings.
    European Physical Journal C. Roč. 77, č. 8 (2017), s. 1-31, č. článku 563. ISSN 1434-6044. E-ISSN 1434-6052
    Institutional support: RVO:68378271
    Keywords : coupling constant upper limit * ATLAS * CERN LHC Coll * experimental results * 8000 GeV-cms
    OECD category: Particles and field physics
    Impact factor: 5.172, year: 2017

    This paper presents a study of the production of WW or WZ boson pairs, with one W boson decaying to eν or μν and one W or Z boson decaying hadronically. The analysis uses 20.2 fb −1 of √s=8 TeV pp collision data, collected by the ATLAS detector at the Large Hadron Collider. Cross-sections for WW / WZ production are measured in high- pT fiducial regions defined close to the experimental event selection. The cross-section is measured for the case where the hadronically decaying boson is reconstructed as two resolved jets, and the case where it is reconstructed as a single jet. The transverse momentum distribution of the hadronically decaying boson is used to search for new physics. Observations are consistent with the Standard Model predictions, and 95% confidence intervals are calculated for parameters describing anomalous triple gauge-boson couplings.
    Permanent Link: http://hdl.handle.net/11104/0282307

     
     
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