Number of the records: 1
Measurement of the charge asymmetry in top-quark pair production in association with a photon with the ATLAS experiment
- 1.0577657 - FZÚ 2024 RIV NL eng J - Journal Article
Aad, G. - Abbott, B. - Abbott, D.C. - Chudoba, Jiří - Federičová, Pavla - Hejbal, Jiří - Jačka, Petr - Kepka, Oldřich - Kroll, Jiří - Kupčo, Alexander - Latoňová, Věra - Lokajíček, Miloš - Lysák, Roman - Marčišovský, Michal - Mikeštíková, Marcela - Němeček, Stanislav - Šícho, Petr - Staroba, Pavel - Svatoš, Michal - Taševský, Marek … Total 2934 authors
Measurement of the charge asymmetry in top-quark pair production in association with a photon with the ATLAS experiment.
Physics Letters. B. Roč. 843, Aug (2023), č. článku 137848. ISSN 0370-2693. E-ISSN 1873-2445
Research Infrastructure: CERN-CZ III - 90240
Institutional support: RVO:68378271
Keywords : ATLAS * CERN Lab * photon: associated production * final state: ((n)jet lepton)
OECD category: Particles and field physics
Impact factor: 4.3, year: 2022
Method of publishing: Open access
A measurement of the charge asymmetry in top-quark pair (tt¯) production in association with a photon is presented. The measurement is performed in the single-lepton tt¯ decay channel using proton–proton collision data collected with the ATLAS detector at the Large Hadron Collider at CERN at a centre-of-mass-energy of 13 TeV during the years 2015–2018, corresponding to an integrated luminosity of 139 fb−1. The charge asymmetry is obtained from the distribution of the difference of the absolute rapidities of the top quark and antiquark using a profile likelihood unfolding approach. It is measured to be AC=−0.003±0.029 in agreement with the Standard Model expectation.
Permanent Link: https://hdl.handle.net/11104/0346790
File Download Size Commentary Version Access 0577657.pdf 0 1.5 MB CC Licence Publisher’s postprint open-access
Number of the records: 1