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Measurement of the top-quark mass in the fully hadronic decay channel from ATLAS data at √s = 7TeV
- 1.0522330 - FZÚ 2020 RIV DE eng J - Článek v odborném periodiku
Aad, G. - Abbott, B. - Abdallah, J. - Chudoba, Jiří - Havránek, Miroslav - Hejbal, Jiří - Jakoubek, Tomáš - Kepka, Oldřich - Kupčo, Alexander - Kůs, Vlastimil - Lokajíček, Miloš - Lysák, Roman - Marčišovský, Michal - Mikeštíková, Marcela - Němeček, Stanislav - Šícho, Petr - Staroba, Pavel - Svatoš, Michal - Taševský, Marek - Vrba, Václav … celkem 2891 autorů
Measurement of the top-quark mass in the fully hadronic decay channel from ATLAS data at √s = 7TeV.
European Physical Journal C. Roč. 75, č. 4 (2015), s. 1-26, č. článku 158. ISSN 1434-6044. E-ISSN 1434-6052
Institucionální podpora: RVO:68378271
Klíčová slova: ATLAS * CERN LHC Coll * proton–proton collisions * top quark * top-quark mass * fully hadronic
Obor OECD: Particles and field physics
Impakt faktor: 4.912, rok: 2015
Způsob publikování: Open access
The mass of the top quark is measured in a data set corresponding to 4.6 fb −1 of proton–proton collisions with centre-of-mass energy s√=7 TeV collected by the ATLAS detector at the LHC. Events consistent with hadronic decays of top–antitop quark pairs with at least six jets in the final state are selected. The substantial background from multijet production is modelled with data-driven methods that utilise the number of identified b -quark jets and the transverse momentum of the sixth leading jet, which have minimal correlation. The top-quark mass is obtained from template fits to the ratio of three-jet to dijet mass. The three-jet mass is calculated from the three jets produced in a top-quark decay. Using these three jets the dijet mass is obtained from the two jets produced in the W boson decay.
Trvalý link: http://hdl.handle.net/11104/0306845
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