Measurements of t¯t differential cross-sections of highly boosted top quarks decaying to all-hadronic final states in pp collisions at √s p = 13 TeV using the ATLAS detector

Measurements are made of differential cross-sections of highly boosted pair-produced top quarks as a function of top-quark and t ̄t system kinematic observables using proton-proton collisions at a center-of- mass energy of ffiffi s p 1⁄4 13 TeV. The data set corresponds to an integrated luminosity o...

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Autores principales: Alconada Verzini, María Josefina, Alonso, Francisco, Arduh, Francisco Anuar, Dova, María Teresa, Hoya, Joaquín, Monticelli, Fernando Gabriel, Wahlberg, Hernán Pablo, The Atlas Collaboration
Formato: Articulo
Lenguaje:Inglés
Publicado: 2018
Materias:
Ciencias Exactas
Física
Atlas detector
cross-sections
all-hadronic
pp collisions
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/73188
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-73188
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Ciencias Exactas
Física
Atlas detector
cross-sections
all-hadronic
pp collisions
spellingShingle Ciencias Exactas
Física
Atlas detector
cross-sections
all-hadronic
pp collisions
Alconada Verzini, María Josefina
Alonso, Francisco
Arduh, Francisco Anuar
Dova, María Teresa
Hoya, Joaquín
Monticelli, Fernando Gabriel
Wahlberg, Hernán Pablo
The Atlas Collaboration
Measurements of t¯t differential cross-sections of highly boosted top quarks decaying to all-hadronic final states in pp collisions at √s p = 13 TeV using the ATLAS detector
topic_facet Ciencias Exactas
Física
Atlas detector
cross-sections
all-hadronic
pp collisions
description Measurements are made of differential cross-sections of highly boosted pair-produced top quarks as a function of top-quark and t ̄t system kinematic observables using proton-proton collisions at a center-of- mass energy of ffiffi s p 1⁄4 13 TeV. The data set corresponds to an integrated luminosity of 36.1 fb−1, recorded in 2015 and 2016 with the ATLAS detector at the CERN Large Hadron Collider. Events with two large- radius jets in the final state, one with transverse momentum pT > 500 GeV and a second with pT > 350 GeV, are used for the measurement. The top-quark candidates are separated from the multijet background using jet substructure information and association with a b-tagged jet. The measured spectra are corrected for detector effects to a particle-level fiducial phase space and a parton-level limited phase space, and are compared to several Monte Carlo simulations by means of calculated χ2 values. The cross- section for t ̄t production in the fiducial phase-space region is 292 7ðstatÞ 71ðsystÞ fb, to be compared to the theoretical prediction of 384 36 fb.
format Articulo
Articulo
author Alconada Verzini, María Josefina
Alonso, Francisco
Arduh, Francisco Anuar
Dova, María Teresa
Hoya, Joaquín
Monticelli, Fernando Gabriel
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
Wahlberg, Hernán Pablo
The Atlas Collaboration
author_sort Alconada Verzini, María Josefina
title Measurements of t¯t differential cross-sections of highly boosted top quarks decaying to all-hadronic final states in pp collisions at √s p = 13 TeV using the ATLAS detector
title_short Measurements of t¯t differential cross-sections of highly boosted top quarks decaying to all-hadronic final states in pp collisions at √s p = 13 TeV using the ATLAS detector
title_full Measurements of t¯t differential cross-sections of highly boosted top quarks decaying to all-hadronic final states in pp collisions at √s p = 13 TeV using the ATLAS detector
title_fullStr Measurements of t¯t differential cross-sections of highly boosted top quarks decaying to all-hadronic final states in pp collisions at √s p = 13 TeV using the ATLAS detector
title_full_unstemmed Measurements of t¯t differential cross-sections of highly boosted top quarks decaying to all-hadronic final states in pp collisions at √s p = 13 TeV using the ATLAS detector
title_sort measurements of t¯t differential cross-sections of highly boosted top quarks decaying to all-hadronic final states in pp collisions at √s p = 13 tev using the atlas detector
publishDate 2018
url http://sedici.unlp.edu.ar/handle/10915/73188
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