Artículo

Top-quark mass measurement in the all-hadronic tt¯ decay channel at s√ = 8 TeV with the ATLAS detector

Aaboud, M.; Aad, G.; Abbott, B.; Abdallah, J.; Abdinov, O.; Alconada Verzini, María JosefinaIcon ; Alonso, FranciscoIcon ; Arduh, Francisco AnuarIcon ; Dova, Maria TeresaIcon ; Hoya, JoaquínIcon ; Monticelli, Fernando GabrielIcon ; Wahlberg, Hernan PabloIcon ; Bossio Sola, Jonathan DavidIcon ; Marceca, GinoIcon ; Otero y Garzon, Gustavo JavierIcon ; Piegaia, Ricardo NestorIcon ; Sacerdoti, SabrinaIcon ; Zibell. A.; Zieminska, D.; Zimine, N. I.; Zimmermann, C.; Zimmermann, S.; Zinonos, Z.; Zinser, M.; Ziolkowski, M.; Živković, L.; Zobernig, G.; Zoccoli, A.; Nedden, M. zur; Zurzolo, G.; Zwalinski, L.; The ATLAS Collaboration
Fecha de publicación: 02/2017
Editorial: Springer
Revista: Journal of High Energy Physics
ISSN: 1126-6708
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:

Resumen

The top-quark mass is measured in the all-hadronic top-antitop quark decay channel using proton–proton collisions at a centre-of-mass energy of √ s = 8 TeV with the ATLAS detector at the CERN Large Hadron Collider. The data set used in the analysis corresponds to an integrated luminosity of 20.2 fb−1. The large multi-jet background is modelled using a datadriven method. The top-quark mass is obtained from template fits to the ratio of the three-jet to the dijet mass. The three-jet mass is obtained from the three jets assigned to the top quark decay. From these three jets the dijet mass is obtained using the two jets assigned to the W boson decay. The top-quark mass is measured to be 173.72 ± 0.55 (stat.) ± 1.01 (syst.) GeV
Palabras clave: Atlas , High Energy Physics , Large Hadron Collider
 
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
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URI: http://hdl.handle.net/11336/66394
DOI: http://dx.doi.org/10.1007/JHEP09(2017)118
URL: https://link.springer.com/article/10.1007%2FJHEP09%282017%29118
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Citación
Aaboud, M.; Aad, G.; Abbott, B.; Abdallah, J.; Abdinov, O.; et al.; Top-quark mass measurement in the all-hadronic tt¯ decay channel at s√ = 8 TeV with the ATLAS detector; Springer; Journal of High Energy Physics; 117; 2-2017
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