Artículo

Measurement of the tt¯Z and tt¯W production cross sections in multilepton final states using 3.2 fb−1 of pp collisions at s√ = 13 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 ; 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: 09/2017
Editorial: Springer
Revista: European Physical Journal C: Particles and Fields
ISSN: 1434-6044
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:

Resumen

A measurement of the t t  ̄ Z and t t  ̄ W production cross sections in final states with either two same-charge muons, or three or four leptons (electrons or muons) is presented. The analysis uses a data sample of proton?proton collisions at s = 13 TeV recorded with the ATLAS detector at the Large Hadron Collider in 2015, corresponding to a total integrated luminosity of 3.2 fb −1 . The inclusive cross sections are extracted using likelihood fits to signal and control regions, resulting in σ t t  ̄ Z = 0.9 ± 0.3 pb and σ t t  ̄ W = 1.5 ± 0.8 pb, in agreement with the Standard Model predictions.
Palabras clave: Atlas , Cern , Hep , Lhc
 
Archivos asociados
Thumbnail
 
Tamaño: 612.5Kb
Formato: PDF
.
Licencia
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)
Identificadores
URI: http://hdl.handle.net/11336/72280
DOI: http://dx.doi.org/10.1140/epjc/s10052-016-4574-y
URL: https://link.springer.com/article/10.1140%2Fepjc%2Fs10052-016-4574-y
Colecciones
Articulos(IFLP)
Articulos de INST.DE FISICA LA PLATA
Citación
Aaboud, M.; Aad, G.; Abbott, B.; Abdallah, J.; Abdinov, O.; et al.; Measurement of the tt¯Z and tt¯W production cross sections in multilepton final states using 3.2 fb−1 of pp collisions at s√ = 13 TeV with the ATLAS detector; Springer; European Physical Journal C: Particles and Fields; 77; 9-2017; 40
Compartir
Altmétricas