Modelling Z → ττ processes in ATLAS with τ- embedded Z → μμ data
- Autores
- Alconada Verzini, María Josefina; Alonso, Francisco; Arduh, Francisco Anuar; Dova, María Teresa; Monticelli, Fernando Gabriel; Wahlberg, Hernán Pablo; The ATLAS Collaboration
- Año de publicación
- 2015
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- This paper describes the concept, technical realisation and validation of a largely datadriven method to model events with Z→tt decays. In Z→μμ events selected from proton-proton collision data recorded at √s=8 TeV with the ATLAS experiment at the LHC in 2012, the Z decay muons are replaced by t leptons from simulated Z→tt decays at the level of reconstructed tracks and calorimeter cells. The t lepton kinematics are derived from the kinematics of the original muons. Thus, only the well-understood decays of the Z boson and t leptons as well as the detector response to the t decay products are obtained from simulation. All other aspects of the event, such as the Z boson and jet kinematics as well as effects from multiple interactions, are given by the actual data. This so-called t-embedding method is particularly relevant for Higgs boson searches and analyses in tt final states, where Z → tt decays constitute a large irreducible background that cannot be obtained directly from data control samples. In this paper, the relevant concepts are discussed based on the implementation used in the ATLAS Standard Model H ! tt analysis of the full datataset recorded during 2011 and 2012.
Facultad de Ciencias Exactas - Materia
-
Ciencias Exactas
Física
Altas energías
Análisis Estadístico
Simulación - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- http://creativecommons.org/licenses/by/3.0/
- Repositorio
- Institución
- Universidad Nacional de La Plata
- OAI Identificador
- oai:sedici.unlp.edu.ar:10915/80854
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Modelling Z → ττ processes in ATLAS with τ- embedded Z → μμ dataAlconada Verzini, María JosefinaAlonso, FranciscoArduh, Francisco AnuarDova, María TeresaMonticelli, Fernando GabrielWahlberg, Hernán PabloThe ATLAS CollaborationCiencias ExactasFísicaAltas energíasAnálisis EstadísticoSimulaciónThis paper describes the concept, technical realisation and validation of a largely datadriven method to model events with Z→tt decays. In Z→μμ events selected from proton-proton collision data recorded at √s=8 TeV with the ATLAS experiment at the LHC in 2012, the Z decay muons are replaced by t leptons from simulated Z→tt decays at the level of reconstructed tracks and calorimeter cells. The t lepton kinematics are derived from the kinematics of the original muons. Thus, only the well-understood decays of the Z boson and t leptons as well as the detector response to the t decay products are obtained from simulation. All other aspects of the event, such as the Z boson and jet kinematics as well as effects from multiple interactions, are given by the actual data. This so-called t-embedding method is particularly relevant for Higgs boson searches and analyses in tt final states, where Z → tt decays constitute a large irreducible background that cannot be obtained directly from data control samples. In this paper, the relevant concepts are discussed based on the implementation used in the ATLAS Standard Model H ! tt analysis of the full datataset recorded during 2011 and 2012.Facultad de Ciencias Exactas2015-09-15info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionArticulohttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfhttp://sedici.unlp.edu.ar/handle/10915/80854enginfo:eu-repo/semantics/altIdentifier/issn/1748-0221info:eu-repo/semantics/altIdentifier/doi/10.1088/1748-0221/10/09/P09018info:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by/3.0/Creative Commons Attribution 3.0 Unported (CC BY 3.0)reponame:SEDICI (UNLP)instname:Universidad Nacional de La Platainstacron:UNLP2025-09-29T11:14:57Zoai:sedici.unlp.edu.ar:10915/80854Institucionalhttp://sedici.unlp.edu.ar/Universidad públicaNo correspondehttp://sedici.unlp.edu.ar/oai/snrdalira@sedici.unlp.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:13292025-09-29 11:14:57.66SEDICI (UNLP) - Universidad Nacional de La Platafalse |
dc.title.none.fl_str_mv |
Modelling Z → ττ processes in ATLAS with τ- embedded Z → μμ data |
title |
Modelling Z → ττ processes in ATLAS with τ- embedded Z → μμ data |
spellingShingle |
Modelling Z → ττ processes in ATLAS with τ- embedded Z → μμ data Alconada Verzini, María Josefina Ciencias Exactas Física Altas energías Análisis Estadístico Simulación |
title_short |
Modelling Z → ττ processes in ATLAS with τ- embedded Z → μμ data |
title_full |
Modelling Z → ττ processes in ATLAS with τ- embedded Z → μμ data |
title_fullStr |
Modelling Z → ττ processes in ATLAS with τ- embedded Z → μμ data |
title_full_unstemmed |
Modelling Z → ττ processes in ATLAS with τ- embedded Z → μμ data |
title_sort |
Modelling Z → ττ processes in ATLAS with τ- embedded Z → μμ data |
dc.creator.none.fl_str_mv |
Alconada Verzini, María Josefina Alonso, Francisco Arduh, Francisco Anuar Dova, María Teresa Monticelli, Fernando Gabriel Wahlberg, Hernán Pablo The ATLAS Collaboration |
author |
Alconada Verzini, María Josefina |
author_facet |
Alconada Verzini, María Josefina Alonso, Francisco Arduh, Francisco Anuar Dova, María Teresa Monticelli, Fernando Gabriel Wahlberg, Hernán Pablo The ATLAS Collaboration |
author_role |
author |
author2 |
Alonso, Francisco Arduh, Francisco Anuar Dova, María Teresa Monticelli, Fernando Gabriel Wahlberg, Hernán Pablo The ATLAS Collaboration |
author2_role |
author author author author author author |
dc.subject.none.fl_str_mv |
Ciencias Exactas Física Altas energías Análisis Estadístico Simulación |
topic |
Ciencias Exactas Física Altas energías Análisis Estadístico Simulación |
dc.description.none.fl_txt_mv |
This paper describes the concept, technical realisation and validation of a largely datadriven method to model events with Z→tt decays. In Z→μμ events selected from proton-proton collision data recorded at √s=8 TeV with the ATLAS experiment at the LHC in 2012, the Z decay muons are replaced by t leptons from simulated Z→tt decays at the level of reconstructed tracks and calorimeter cells. The t lepton kinematics are derived from the kinematics of the original muons. Thus, only the well-understood decays of the Z boson and t leptons as well as the detector response to the t decay products are obtained from simulation. All other aspects of the event, such as the Z boson and jet kinematics as well as effects from multiple interactions, are given by the actual data. This so-called t-embedding method is particularly relevant for Higgs boson searches and analyses in tt final states, where Z → tt decays constitute a large irreducible background that cannot be obtained directly from data control samples. In this paper, the relevant concepts are discussed based on the implementation used in the ATLAS Standard Model H ! tt analysis of the full datataset recorded during 2011 and 2012. Facultad de Ciencias Exactas |
description |
This paper describes the concept, technical realisation and validation of a largely datadriven method to model events with Z→tt decays. In Z→μμ events selected from proton-proton collision data recorded at √s=8 TeV with the ATLAS experiment at the LHC in 2012, the Z decay muons are replaced by t leptons from simulated Z→tt decays at the level of reconstructed tracks and calorimeter cells. The t lepton kinematics are derived from the kinematics of the original muons. Thus, only the well-understood decays of the Z boson and t leptons as well as the detector response to the t decay products are obtained from simulation. All other aspects of the event, such as the Z boson and jet kinematics as well as effects from multiple interactions, are given by the actual data. This so-called t-embedding method is particularly relevant for Higgs boson searches and analyses in tt final states, where Z → tt decays constitute a large irreducible background that cannot be obtained directly from data control samples. In this paper, the relevant concepts are discussed based on the implementation used in the ATLAS Standard Model H ! tt analysis of the full datataset recorded during 2011 and 2012. |
publishDate |
2015 |
dc.date.none.fl_str_mv |
2015-09-15 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Articulo http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
http://sedici.unlp.edu.ar/handle/10915/80854 |
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http://sedici.unlp.edu.ar/handle/10915/80854 |
dc.language.none.fl_str_mv |
eng |
language |
eng |
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info:eu-repo/semantics/altIdentifier/issn/1748-0221 info:eu-repo/semantics/altIdentifier/doi/10.1088/1748-0221/10/09/P09018 |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/3.0/ Creative Commons Attribution 3.0 Unported (CC BY 3.0) |
eu_rights_str_mv |
openAccess |
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http://creativecommons.org/licenses/by/3.0/ Creative Commons Attribution 3.0 Unported (CC BY 3.0) |
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application/pdf |
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SEDICI (UNLP) - Universidad Nacional de La Plata |
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