Measurements of the production cross-section for a Z boson in association with b-jets in proton-proton collisions at √s = 13 TeV with the ATLAS detector

This paper presents a measurement of the production cross-section of a Z boson in association with b-jets, in proton-proton collisions at √s = 13 TeV with the ATLAS experiment at the Large Hadron Collider using data corresponding to an integrated luminosity of 35.6fb⁻¹. Inclusive and differential cr...

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Autores principales: 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: 2020
Materias:
Ciencias Exactas
Física
Hadron-Hadron scattering (experiments)
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/130582
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-130582
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
Hadron-Hadron scattering (experiments)
spellingShingle Ciencias Exactas
Física
Hadron-Hadron scattering (experiments)
Alonso, Francisco
Arduh, Francisco Anuar
Dova, María Teresa
Hoya, Joaquín
Monticelli, Fernando Gabriel
Orellana, Gonzalo Enrique
Wahlberg, Hernán Pablo
The ATLAS Collaboration
Measurements of the production cross-section for a Z boson in association with b-jets in proton-proton collisions at √s = 13 TeV with the ATLAS detector
topic_facet Ciencias Exactas
Física
Hadron-Hadron scattering (experiments)
description This paper presents a measurement of the production cross-section of a Z boson in association with b-jets, in proton-proton collisions at √s = 13 TeV with the ATLAS experiment at the Large Hadron Collider using data corresponding to an integrated luminosity of 35.6fb⁻¹. Inclusive and differential cross-sections are measured for events containing a Z boson decaying into electrons or muons and produced in association with at least one or at least two b-jets with transverse momentum p<sub>T</sub> > 20GeV and rapidity |y| < 2.5. Predictions from several Monte Carlo generators based on leading-order (LO) or next-to-leading-order (NLO) matrix elements interfaced with a parton-shower simulation and testing different flavour schemes for the choice of initial-state partons are compared with measured cross-sections. The 5-flavour number scheme predictions at NLO accuracy agree better with data than 4-flavour number scheme ones. The 4-flavour number scheme predictions underestimate data in events with at least one b-jet.
format Articulo
Articulo
author Alonso, Francisco
Arduh, Francisco Anuar
Dova, María Teresa
Hoya, Joaquín
Monticelli, Fernando Gabriel
Orellana, Gonzalo Enrique
Wahlberg, Hernán Pablo
The ATLAS Collaboration
author_facet Alonso, Francisco
Arduh, Francisco Anuar
Dova, María Teresa
Hoya, Joaquín
Monticelli, Fernando Gabriel
Orellana, Gonzalo Enrique
Wahlberg, Hernán Pablo
The ATLAS Collaboration
author_sort Alonso, Francisco
title Measurements of the production cross-section for a Z boson in association with b-jets in proton-proton collisions at √s = 13 TeV with the ATLAS detector
title_short Measurements of the production cross-section for a Z boson in association with b-jets in proton-proton collisions at √s = 13 TeV with the ATLAS detector
title_full Measurements of the production cross-section for a Z boson in association with b-jets in proton-proton collisions at √s = 13 TeV with the ATLAS detector
title_fullStr Measurements of the production cross-section for a Z boson in association with b-jets in proton-proton collisions at √s = 13 TeV with the ATLAS detector
title_full_unstemmed Measurements of the production cross-section for a Z boson in association with b-jets in proton-proton collisions at √s = 13 TeV with the ATLAS detector
title_sort measurements of the production cross-section for a z boson in association with b-jets in proton-proton collisions at √s = 13 tev with the atlas detector
publishDate 2020
url http://sedici.unlp.edu.ar/handle/10915/130582
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AT arduhfranciscoanuar measurementsoftheproductioncrosssectionforazbosoninassociationwithbjetsinprotonprotoncollisionsats13tevwiththeatlasdetector
AT dovamariateresa measurementsoftheproductioncrosssectionforazbosoninassociationwithbjetsinprotonprotoncollisionsats13tevwiththeatlasdetector
AT hoyajoaquin measurementsoftheproductioncrosssectionforazbosoninassociationwithbjetsinprotonprotoncollisionsats13tevwiththeatlasdetector
AT monticellifernandogabriel measurementsoftheproductioncrosssectionforazbosoninassociationwithbjetsinprotonprotoncollisionsats13tevwiththeatlasdetector
AT orellanagonzaloenrique measurementsoftheproductioncrosssectionforazbosoninassociationwithbjetsinprotonprotoncollisionsats13tevwiththeatlasdetector
AT wahlberghernanpablo measurementsoftheproductioncrosssectionforazbosoninassociationwithbjetsinprotonprotoncollisionsats13tevwiththeatlasdetector
AT theatlascollaboration measurementsoftheproductioncrosssectionforazbosoninassociationwithbjetsinprotonprotoncollisionsats13tevwiththeatlasdetector
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