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Träfflista för sökning "WFRF:(Zhokin A.) srt2:(2020-2024)"

Search: WFRF:(Zhokin A.) > (2020-2024)

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1.
  • Aad, G., et al. (author)
  • Combination of inclusive top-quark pair production cross-section measurements using ATLAS and CMS data at √s=7 and 8 TeV
  • 2023
  • In: Journal of High Energy Physics (JHEP). - : Springer Nature. - 1126-6708 .- 1029-8479. ; 2023:7
  • Journal article (peer-reviewed)abstract
    • A combination of measurements of the inclusive top-quark pair production cross-section performed by ATLAS and CMS in proton–proton collisions at centre-of-mass energies of 7 and 8 TeV at the LHC is presented. The cross-sections are obtained using top-quark pair decays with an opposite-charge electron–muon pair in the final state and with data corresponding to an integrated luminosity of about 5 fb−1 at √s = 7 TeV and about 20 fb−1 at √s = 8 TeV for each experiment. The combined cross-sections are determined to be 178.5 ± 4.7 pb at √s = 7 TeV and pb at √s = 8 TeV with a correlation of 0.41, using a reference top-quark mass value of 172.5 GeV. The ratio of the combined cross-sections is determined to be R8/7 = 1.363 ± 0.032. The combined measured cross-sections and their ratio agree well with theory calculations using several parton distribution function (PDF) sets. The values of the top-quark pole mass (with the strong coupling fixed at 0.118) and the strong coupling (with the top-quark pole mass fixed at 172.5 GeV) are extracted from the combined results by fitting a next-to-next-to-leading-order plus next-to-next-to-leading-log QCD prediction to the measurements. Using a version of the NNPDF3.1 PDF set containing no top-quark measurements, the results obtained are = GeV and αs(mZ)=.
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2.
  • Aad, G., et al. (author)
  • Evidence for the Higgs Boson Decay to a Z Boson and a Photon at the LHC
  • 2024
  • In: Physical Review Letters. - 1079-7114. ; 132:2
  • Journal article (peer-reviewed)abstract
    • The first evidence for the Higgs boson decay to a Z boson and a photon is presented, with a statistical significance of 3.4 standard deviations. The result is derived from a combined analysis of the searches performed by the ATLAS and CMS Collaborations with proton-proton collision datasets collected at the CERN Large Hadron Collider (LHC) from 2015 to 2018. These correspond to integrated luminosities of around 140 fb^{-1} for each experiment, at a center-of-mass energy of 13 TeV. The measured signal yield is 2.2±0.7 times the standard model prediction, and agrees with the theoretical expectation within 1.9 standard deviations.
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3.
  • Aad, G., et al. (author)
  • Evidence for the Higgs Boson Decay to a Z Boson and a Photon at the LHC
  • 2024
  • In: Physical Review Letters. - : American Physical Society (APS). - 0031-9007 .- 1079-7114. ; 132:2
  • Journal article (peer-reviewed)abstract
    • The first evidence for the Higgs boson decay to a Z boson and a photon is presented, with a statistical significance of 3.4 standard deviations. The result is derived from a combined analysis of the searches performed by the ATLAS and CMS Collaborations with proton-proton collision datasets collected at the CERN Large Hadron Collider (LHC) from 2015 to 2018. These correspond to integrated luminosities of around 140  fb−1 for each experiment, at a center-of-mass energy of 13 TeV. The measured signal yield is 2.2±0.7 times the standard model prediction, and agrees with the theoretical expectation within 1.9 standard deviations.
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  • Result 1-3 of 3
Type of publication
journal article (3)
Type of content
peer-reviewed (3)
Author/Editor
Aad, G (3)
Lund-Jensen, Bengt (2)
Ripellino, Giulia (2)
Strandberg, Jonas (2)
Brenner, Richard (2)
Ekelöf, Tord (2)
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Ellert, Mattias (2)
Bergeås Kuutmann, El ... (2)
Ferrari, Arnaud, 197 ... (2)
Hedberg, V. (2)
Konya, B. (2)
Lytken, E. (2)
Poettgen, R. (2)
Smirnova, O. (2)
Lundberg, Olof (2)
Shaheen, Rabia (2)
Andrean, Stefio Y., ... (2)
Backman, Filip, 1991 ... (2)
Barranco Navarro, La ... (2)
Bohm, Christian, 194 ... (2)
Clément, Christophe, ... (2)
Dunne, Katherine, 19 ... (2)
Hellman, Sten, 1956- (2)
Ingebretsen Carlson, ... (2)
Lou, Xuanhong, 1995- (2)
Milstead, David A., ... (2)
Pasuwan, Patrawan, 1 ... (2)
Pereira Sanchez, Lau ... (2)
Silverstein, Samuel ... (2)
Sjölin, Jörgen, 1968 ... (2)
Strandberg, Sara, 19 ... (2)
Strübig, Antonia, 19 ... (2)
Valdés Santurio, Edu ... (2)
Ellajosyula, Venugop ... (2)
Gonzalez Suarez, Reb ... (2)
Mathisen, Thomas (2)
Zwalinski, L. (1)
Mullier, Geoffrey (1)
Asimakopoulou, Eleni ... (1)
Åkesson, T.P.A. (1)
Doglioni, C. (1)
Leopold, Alexander (1)
Shope, David R. (1)
Kim, Dongwon, 1989- (1)
Lee, Suhyun (1)
Moa, Torbjörn, 1953- (1)
Richter, Stefan, 198 ... (1)
Shaikh, Nabila W., 1 ... (1)
Dimitriadi, Christin ... (1)
Ördek, Serhat (1)
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University
Royal Institute of Technology (2)
Uppsala University (2)
Stockholm University (2)
Lund University (2)
Language
English (3)
Research subject (UKÄ/SCB)
Natural sciences (3)

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