Szczegóły publikacji
Opis bibliograficzny
Measurement of the top-quark mass in $t\bar{t}$+1-jet events collected with the ATLAS detector in pp collisions at $\sqrt{s}$=8 TeV / G. Aad, [et al.], L. ADAMCZYK, [et al.], T. BOŁD, [et al.], W. DĄBROWSKI, [et al.], G. P. GACH, [et al.], I. GRABOWSKA-BOŁD, [et al.], M. P. GUZIK, [et al.], K. W. JANAS, [et al.], P. A. JANUS, [et al.], S. KOPERNY, [et al.], J. A. KREMER, [et al.], B. MINDUR, [et al.], A. OGRODNIK, [et al.], M. PRZYBYCIEŃ, [et al.] // The Journal of High Energy Physics [Dokument elektroniczny]. — Czasopismo elektroniczne ; ISSN 1029-8479. — 2019 — iss. 11 art. no. 150, s. [1], 1–39. — Bibliogr. s. 18–22, Abstr. — Publikacja dostępna online od: 2019-11-26
Autorzy (2932)
Słowa kluczowe
Dane bibliometryczne
| ID BaDAP | 127093 |
|---|---|
| Data dodania do BaDAP | 2020-01-29 |
| Tekst źródłowy | URL |
| DOI | 10.1007/JHEP11(2019)150 |
| Rok publikacji | 2019 |
| Typ publikacji | artykuł w czasopiśmie |
| Otwarty dostęp |  |
| Creative Commons | |
| Czasopismo/seria | The Journal of High Energy Physics |
Abstract
A determination of the top-quark mass is presented using 20.2 fb−1 of 8 TeV proton-proton collision data produced by the Large Hadron Collider and collected by the ATLAS experiment. The normalised differential cross section of top-quark pair production in association with an energetic jet is measured in the lepton+jets final state and unfolded to parton and particle levels. The unfolded distribution at parton level can be described using next-to-leading-order QCD predictions in terms of either the top-quark pole mass or the running mass as defined in the (modified) minimal subtraction scheme. A comparison between the experimental distribution and the theoretical prediction allows the top-quark mass to be extracted in the two schemes. The value obtained for the pole-mass scheme is: mtpole=171.1±0.4(stat)±0.9(syst)−0.3+0.7(theo)GeV The extracted value in the running-mass scheme is: mt(mt)=162.9±0.5(stat)±1.0(syst)−1.2+2.1(theo)GeV. The results for the top-quark mass using the two schemes are consistent, when translated from one scheme to the other. [Figure not available: see fulltext.] © 2019, The Author(s).
