Combination of the searches for pair-produced vectorlike partners of the third-generation quarks at √s =13 TeV with the ATLAS detector

A combination of the searches for pair-produced vectorlike partners of the top and bottom quarks in various decay channels (T → Zt=Wb=Ht, B → Zb=Wt=Hb) is performed using 36.1 fb−1 of pp collision data at √s p ¼ 13 TeV with the ATLAS detector at the Large Hadron Collider. The observed data are found...

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Autores principales: Alconada Verzini, María Josefina, Alonso, Francisco, Arduh, Francisco Anuar, Dova, María Teresa, Hoya, Joaquín, Monticelli, Fernando Gabriel, Orellana, Gonzalo Enrique, Wahlberg, Hernán Pablo, The ATLAS Collaboration
Formato: Articulo
Lenguaje:Inglés
Publicado: 2018
Materias:
Física
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/147272
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-147272
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Física
spellingShingle Física
Alconada Verzini, María Josefina
Alonso, Francisco
Arduh, Francisco Anuar
Dova, María Teresa
Hoya, Joaquín
Monticelli, Fernando Gabriel
Orellana, Gonzalo Enrique
Wahlberg, Hernán Pablo
The ATLAS Collaboration
Combination of the searches for pair-produced vectorlike partners of the third-generation quarks at √s =13 TeV with the ATLAS detector
topic_facet Física
description A combination of the searches for pair-produced vectorlike partners of the top and bottom quarks in various decay channels (T → Zt=Wb=Ht, B → Zb=Wt=Hb) is performed using 36.1 fb−1 of pp collision data at √s p ¼ 13 TeV with the ATLAS detector at the Large Hadron Collider. The observed data are found to be in good agreement with the standard model background prediction in all individual searches. Therefore, combined 95% confidence-level upper limits are set on the production cross section for a range of vectorlike quark scenarios, significantly improving upon the reach of the individual searches. Modelindependent limits are set assuming the vectorlike quarks decay to standard model particles. A singlet T is excluded for masses below 1.31 TeV and a singlet B is excluded for masses below 1.22 TeV. Assuming a weak isospin ðT;BÞ doublet and |VTb| ≪ |VtB|, T and B masses below 1.37 TeV are excluded.
format Articulo
Articulo
author Alconada Verzini, María Josefina
Alonso, Francisco
Arduh, Francisco Anuar
Dova, María Teresa
Hoya, Joaquín
Monticelli, Fernando Gabriel
Orellana, Gonzalo Enrique
Wahlberg, Hernán Pablo
The ATLAS Collaboration
author_facet Alconada Verzini, María Josefina
Alonso, Francisco
Arduh, Francisco Anuar
Dova, María Teresa
Hoya, Joaquín
Monticelli, Fernando Gabriel
Orellana, Gonzalo Enrique
Wahlberg, Hernán Pablo
The ATLAS Collaboration
author_sort Alconada Verzini, María Josefina
title Combination of the searches for pair-produced vectorlike partners of the third-generation quarks at √s =13 TeV with the ATLAS detector
title_short Combination of the searches for pair-produced vectorlike partners of the third-generation quarks at √s =13 TeV with the ATLAS detector
title_full Combination of the searches for pair-produced vectorlike partners of the third-generation quarks at √s =13 TeV with the ATLAS detector
title_fullStr Combination of the searches for pair-produced vectorlike partners of the third-generation quarks at √s =13 TeV with the ATLAS detector
title_full_unstemmed Combination of the searches for pair-produced vectorlike partners of the third-generation quarks at √s =13 TeV with the ATLAS detector
title_sort combination of the searches for pair-produced vectorlike partners of the third-generation quarks at √s =13 tev with the atlas detector
publishDate 2018
url http://sedici.unlp.edu.ar/handle/10915/147272
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