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  • Aad, G. (author)

Evidence for the charge asymmetry in pp → tt- production at √s=13 TeV with the ATLAS detector

  • Article/chapterEnglish2023

Publisher, publication year, extent ...

  • 2023
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:su-223710
  • https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-223710URI
  • https://doi.org/10.1007/JHEP08(2023)077DOI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • Inclusive and differential measurements of the top–antitop () charge asymmetry and the leptonic asymmetry are presented in proton–proton collisions at √s = 13 TeV recorded by the ATLAS experiment at the CERN Large Hadron Collider. The measurement uses the complete Run 2 dataset, corresponding to an integrated luminosity of 139 fb−1, combines data in the single-lepton and dilepton channels, and employs reconstruction techniques adapted to both the resolved and boosted topologies. A Bayesian unfolding procedure is performed to correct for detector resolution and acceptance effects. The combined inclusive charge asymmetry is measured to be = 0.0068 ± 0.0015, which differs from zero by 4.7 standard deviations. Differential measurements are performed as a function of the invariant mass, transverse momentum and longitudinal boost of the system. Both the inclusive and differential measurements are found to be compatible with the Standard Model predictions, at next-to-next-to-leading order in quantum chromodynamics perturbation theory with next-to-leading-order electroweak corrections. The measurements are interpreted in the framework of the Standard Model effective field theory, placing competitive bounds on several Wilson coefficients.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Andrean, Stefio Y.,1991-Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)stan8823 (author)
  • Backman, Filip,1991-Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)fiba9596 (author)
  • Barranco Navarro, Laura,1990-Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)laba6803 (author)
  • Bohm, Christian,1946-Stockholms universitet,Fysikum(Swepub:su)bohm (author)
  • Clément, Christophe,1972-Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)clement (author)
  • Dunne, Katherine,1987-Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)duka4053 (author)
  • Hellman, Sten,1956-Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)sten (author)
  • Ingebretsen Carlson, Tom,1989-Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)toca8159 (author)
  • Kim, Dongwon,1989-Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)doki7224 (author)
  • Lee, SuhyunStockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)sule7128 (author)
  • Lou, Xuanhong,1995-Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)xulo6599 (author)
  • Milstead, David A.,1970-Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)milstead (author)
  • Moa, Torbjörn,1953-Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)moa (author)
  • Pasuwan, Patrawan,1990-Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)ppasu (author)
  • Pereira Sanchez, Laura,1995-Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)lape0222 (author)
  • Richter, Stefan,1988-Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)stri5038 (author)
  • Shaikh, Nabila W.,1989-Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)nash8517 (author)
  • Silverstein, Samuel B.,1967-Stockholms universitet,Fysikum(Swepub:su)silver (author)
  • Sjölin, Jörgen,1968-Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)sjolin (author)
  • Strandberg, Sara,1977-Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)strandberg (author)
  • Strübig, Antonia,1985-Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)anst7511 (author)
  • Valdés Santurio, Eduardo,1984-Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)edval (author)
  • Zwalinski, L. (author)
  • Stockholms universitetFysikum (creator_code:org_t)

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  • In:Journal of High Energy Physics (JHEP)2023:81126-67081029-8479

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