Measurement of the cross-section for b-jets produced in association with a Z boson at s=7 TeV with the ATLAS detector

A measurement is presented of the inclusive cross-section for b-jet production in association with a Z boson in pp collisions at a centre-of-mass energy of s=7 TeV. The analysis uses the data sample collected by the ATLAS experiment in 2010, corresponding to an integrated luminosity of approximately...

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Guardado en:
Detalles Bibliográficos
Publicado: 2012
Materias:
B-Jet
Cross-section
Standard Model
Z boson
Acceso en línea:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03702693_v706_n4-5_p295_Aad
http://hdl.handle.net/20.500.12110/paper_03702693_v706_n4-5_p295_Aad
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id paper:paper_03702693_v706_n4-5_p295_Aad
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spelling paper:paper_03702693_v706_n4-5_p295_Aad2023-06-08T15:36:58Z Measurement of the cross-section for b-jets produced in association with a Z boson at s=7 TeV with the ATLAS detector B-Jet Cross-section Standard Model Z boson A measurement is presented of the inclusive cross-section for b-jet production in association with a Z boson in pp collisions at a centre-of-mass energy of s=7 TeV. The analysis uses the data sample collected by the ATLAS experiment in 2010, corresponding to an integrated luminosity of approximately 36 pb -1 . The event selection requires a Z boson decaying into high p T electrons or muons, and at least one b-jet, identified by its displaced vertex, with transverse momentum p T >25 GeV and rapidity |y|<2.1. After subtraction of background processes, the yield is extracted from the vertex mass distribution of the candidate b-jets. The ratio of this cross-section to the inclusive Z cross-section (the average number of b-jets per Z event) is also measured. Both results are found to be in good agreement with perturbative QCD predictions at next-to-leading order. © 2011 CERN. 2012 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03702693_v706_n4-5_p295_Aad http://hdl.handle.net/20.500.12110/paper_03702693_v706_n4-5_p295_Aad
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic B-Jet
Cross-section
Standard Model
Z boson
spellingShingle B-Jet
Cross-section
Standard Model
Z boson
Measurement of the cross-section for b-jets produced in association with a Z boson at s=7 TeV with the ATLAS detector
topic_facet B-Jet
Cross-section
Standard Model
Z boson
description A measurement is presented of the inclusive cross-section for b-jet production in association with a Z boson in pp collisions at a centre-of-mass energy of s=7 TeV. The analysis uses the data sample collected by the ATLAS experiment in 2010, corresponding to an integrated luminosity of approximately 36 pb -1 . The event selection requires a Z boson decaying into high p T electrons or muons, and at least one b-jet, identified by its displaced vertex, with transverse momentum p T >25 GeV and rapidity |y|<2.1. After subtraction of background processes, the yield is extracted from the vertex mass distribution of the candidate b-jets. The ratio of this cross-section to the inclusive Z cross-section (the average number of b-jets per Z event) is also measured. Both results are found to be in good agreement with perturbative QCD predictions at next-to-leading order. © 2011 CERN.
title Measurement of the cross-section for b-jets produced in association with a Z boson at s=7 TeV with the ATLAS detector
title_short Measurement of the cross-section for b-jets produced in association with a Z boson at s=7 TeV with the ATLAS detector
title_full Measurement of the cross-section for b-jets produced in association with a Z boson at s=7 TeV with the ATLAS detector
title_fullStr Measurement of the cross-section for b-jets produced in association with a Z boson at s=7 TeV with the ATLAS detector
title_full_unstemmed Measurement of the cross-section for b-jets produced in association with a Z boson at s=7 TeV with the ATLAS detector
title_sort measurement of the cross-section for b-jets produced in association with a z boson at s=7 tev with the atlas detector
publishDate 2012
url https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03702693_v706_n4-5_p295_Aad
http://hdl.handle.net/20.500.12110/paper_03702693_v706_n4-5_p295_Aad
_version_ 1768544733795188736

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