A new method to distinguish hadronically decaying boosted Z bosons from W bosons using the ATLAS detector

Autores
Aad, G.; Abbott, B.; Abdallah, J.; Abdinov, O.; Aben, R.; Alonso, F.; Arduh, Francisco Anuar; Dova, Maria Teresa; Monticelli, Fernando Gabriel; Wahlberg, Hernan Pablo; Sacerdoti, Sabrina; Reisin, Hernan Diego; Piegaia, Ricardo Nestor; Otero y Garzon, Gustavo Javier; Zieminska, D.; Zimine, N. I.; Zimmermann, C.; Zimmermann, S.; Zinonos, Z.; Zinser, M.; Ziolkowski, M.; Živkovic, L.; Zobernig, G.; Zoccoli, A.; Nedden, M. zur; Zurzolo, G.; Zwalinski, L.; The ATLAS Collaboration
Año de publicación
2015
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
The distribution of particles inside hadronic jets produced in the decay of boosted W and Z bosons can be used to discriminate such jets from the continuum background. Given that a jet has been identified as likely resulting from the hadronic decay of a boosted W or Z boson, this paper presents a technique for further differentiating Z bosons from W bosons. The variables used are jet mass, jet charge, and a b-tagging discriminant. A likelihood tagger is constructed from these variables and tested in the simulation of W0 → WZ for bosons in the transverse momentum range 200 GeV < pT < 400 GeV in √ s = 8 TeV pp collisions with the ATLAS detector at the LHC. For Z-boson tagging efficiencies of Z = 90%, 50%, and 10%, one can achieve W+ -boson tagging rejection factors (1/ W+ ) of 1.7, 8.3 and 1000, respectively. It is not possible to measure these efficiencies in the data due to the lack of a pure sample of high pT, hadronically decaying Z bosons. However, the modelling of the tagger inputs for boosted W bosons is studied in data using a tt¯-enriched sample of events in 20.3 fb−1 of data at √ s = 8 TeV. The inputs are well modelled within uncertainties, which builds confidence in the expected tagger performance
Fil: Aad, G.. Aix-Marseille Université and CNRS/IN2P3; Francia
Fil: Abbott, B.. Oklahoma State University; Estados Unidos
Fil: Abdallah, J.. Academia Sinica; China
Fil: Abdinov, O.. Azerbaijan Academy of Sciences; Azerbaiyán
Fil: Aben, R.. Nikhef National Institute for Subatomic Physics and University of Amsterdam; Países Bajos
Fil: Alonso, F.. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Física La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Instituto de Física La Plata; Argentina
Fil: Arduh, Francisco Anuar. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Física La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Instituto de Física La Plata; Argentina. Cern - European Organization For Nuclear Research; Suiza
Fil: Dova, Maria Teresa. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Física La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Instituto de Física La Plata; Argentina
Fil: Monticelli, Fernando Gabriel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Física La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Instituto de Física La Plata; Argentina
Fil: Wahlberg, Hernan Pablo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Física La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Instituto de Física La Plata; Argentina
Fil: Sacerdoti, Sabrina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Física; Argentina
Fil: Reisin, Hernan Diego. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Física; Argentina
Fil: Piegaia, Ricardo Nestor. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Física; Argentina
Fil: Otero y Garzon, Gustavo Javier. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Física; Argentina
Fil: Zieminska, D.. Indiana University; Estados Unidos
Fil: Zimine, N. I.. Joint Institute for Nuclear Research; Rusia
Fil: Zimmermann, C.. Institut für Physik; Alemania
Fil: Zimmermann, S.. Fakultät für Mathematik und Physik; Alemania
Fil: Zinonos, Z.. Georg-August-Universität; Alemania
Fil: Zinser, M.. Institut für Physik; Alemania
Fil: Ziolkowski, M.. Universität Siegen; Alemania
Fil: Živkovic, L.. University of Belgrade; Serbia
Fil: Zobernig, G.. University of Wisconsin; Estados Unidos
Fil: Zoccoli, A.. Dipartimento di Fisica e Astronomia; Italia
Fil: Nedden, M. zur. Humboldt University; Alemania
Fil: Zurzolo, G.. Università di Napoli. Dipartimento di Fisica; Italia
Fil: Zwalinski, L.. Cern - European Organization For Nuclear Research. The Cern Council; Suiza
Fil: The ATLAS Collaboration. No especifica;
Materia
ATLAS experiment
boosted jets
jet composition
W/Z boson
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/51219

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network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling A new method to distinguish hadronically decaying boosted Z bosons from W bosons using the ATLAS detectorAad, G.Abbott, B.Abdallah, J.Abdinov, O.Aben, R.Alonso, F.Arduh, Francisco AnuarDova, Maria TeresaMonticelli, Fernando GabrielWahlberg, Hernan PabloSacerdoti, SabrinaReisin, Hernan DiegoPiegaia, Ricardo NestorOtero y Garzon, Gustavo JavierZieminska, D.Zimine, N. I.Zimmermann, C.Zimmermann, S.Zinonos, Z.Zinser, M.Ziolkowski, M.Živkovic, L.Zobernig, G.Zoccoli, A.Nedden, M. zurZurzolo, G.Zwalinski, L.The ATLAS CollaborationATLAS experimentboosted jetsjet compositionW/Z bosonhttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1The distribution of particles inside hadronic jets produced in the decay of boosted W and Z bosons can be used to discriminate such jets from the continuum background. Given that a jet has been identified as likely resulting from the hadronic decay of a boosted W or Z boson, this paper presents a technique for further differentiating Z bosons from W bosons. The variables used are jet mass, jet charge, and a b-tagging discriminant. A likelihood tagger is constructed from these variables and tested in the simulation of W0 → WZ for bosons in the transverse momentum range 200 GeV < pT < 400 GeV in √ s = 8 TeV pp collisions with the ATLAS detector at the LHC. For Z-boson tagging efficiencies of Z = 90%, 50%, and 10%, one can achieve W+ -boson tagging rejection factors (1/ W+ ) of 1.7, 8.3 and 1000, respectively. It is not possible to measure these efficiencies in the data due to the lack of a pure sample of high pT, hadronically decaying Z bosons. However, the modelling of the tagger inputs for boosted W bosons is studied in data using a tt¯-enriched sample of events in 20.3 fb−1 of data at √ s = 8 TeV. The inputs are well modelled within uncertainties, which builds confidence in the expected tagger performanceFil: Aad, G.. Aix-Marseille Université and CNRS/IN2P3; FranciaFil: Abbott, B.. Oklahoma State University; Estados UnidosFil: Abdallah, J.. Academia Sinica; ChinaFil: Abdinov, O.. Azerbaijan Academy of Sciences; AzerbaiyánFil: Aben, R.. Nikhef National Institute for Subatomic Physics and University of Amsterdam; Países BajosFil: Alonso, F.. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Física La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Instituto de Física La Plata; ArgentinaFil: Arduh, Francisco Anuar. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Física La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Instituto de Física La Plata; Argentina. Cern - European Organization For Nuclear Research; SuizaFil: Dova, Maria Teresa. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Física La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Instituto de Física La Plata; ArgentinaFil: Monticelli, Fernando Gabriel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Física La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Instituto de Física La Plata; ArgentinaFil: Wahlberg, Hernan Pablo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Física La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Instituto de Física La Plata; ArgentinaFil: Sacerdoti, Sabrina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Física; ArgentinaFil: Reisin, Hernan Diego. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Física; ArgentinaFil: Piegaia, Ricardo Nestor. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Física; ArgentinaFil: Otero y Garzon, Gustavo Javier. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Física; ArgentinaFil: Zieminska, D.. Indiana University; Estados UnidosFil: Zimine, N. I.. Joint Institute for Nuclear Research; RusiaFil: Zimmermann, C.. Institut für Physik; AlemaniaFil: Zimmermann, S.. Fakultät für Mathematik und Physik; AlemaniaFil: Zinonos, Z.. Georg-August-Universität; AlemaniaFil: Zinser, M.. Institut für Physik; AlemaniaFil: Ziolkowski, M.. Universität Siegen; AlemaniaFil: Živkovic, L.. University of Belgrade; SerbiaFil: Zobernig, G.. University of Wisconsin; Estados UnidosFil: Zoccoli, A.. Dipartimento di Fisica e Astronomia; ItaliaFil: Nedden, M. zur. Humboldt University; AlemaniaFil: Zurzolo, G.. Università di Napoli. Dipartimento di Fisica; ItaliaFil: Zwalinski, L.. Cern - European Organization For Nuclear Research. The Cern Council; SuizaFil: The ATLAS Collaboration. No especifica;Springer2015-09info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/51219Aad, G.; Abbott, B.; Abdallah, J.; Abdinov, O.; Aben, R.; et al.; A new method to distinguish hadronically decaying boosted Z bosons from W bosons using the ATLAS detector; Springer; European Physical Journal C: Particles and Fields; 76; 9-2015; 238-2591434-6044CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1140/epjc/s10052-016-4065-1info:eu-repo/semantics/altIdentifier/url/https://link.springer.com/article/10.1140/epjc/s10052-016-4065-1info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:29:34Zoai:ri.conicet.gov.ar:11336/51219instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 10:29:35.056CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv A new method to distinguish hadronically decaying boosted Z bosons from W bosons using the ATLAS detector
title A new method to distinguish hadronically decaying boosted Z bosons from W bosons using the ATLAS detector
spellingShingle A new method to distinguish hadronically decaying boosted Z bosons from W bosons using the ATLAS detector
Aad, G.
ATLAS experiment
boosted jets
jet composition
W/Z boson
title_short A new method to distinguish hadronically decaying boosted Z bosons from W bosons using the ATLAS detector
title_full A new method to distinguish hadronically decaying boosted Z bosons from W bosons using the ATLAS detector
title_fullStr A new method to distinguish hadronically decaying boosted Z bosons from W bosons using the ATLAS detector
title_full_unstemmed A new method to distinguish hadronically decaying boosted Z bosons from W bosons using the ATLAS detector
title_sort A new method to distinguish hadronically decaying boosted Z bosons from W bosons using the ATLAS detector
dc.creator.none.fl_str_mv Aad, G.
Abbott, B.
Abdallah, J.
Abdinov, O.
Aben, R.
Alonso, F.
Arduh, Francisco Anuar
Dova, Maria Teresa
Monticelli, Fernando Gabriel
Wahlberg, Hernan Pablo
Sacerdoti, Sabrina
Reisin, Hernan Diego
Piegaia, Ricardo Nestor
Otero y Garzon, Gustavo Javier
Zieminska, D.
Zimine, N. I.
Zimmermann, C.
Zimmermann, S.
Zinonos, Z.
Zinser, M.
Ziolkowski, M.
Živkovic, L.
Zobernig, G.
Zoccoli, A.
Nedden, M. zur
Zurzolo, G.
Zwalinski, L.
The ATLAS Collaboration
author Aad, G.
author_facet Aad, G.
Abbott, B.
Abdallah, J.
Abdinov, O.
Aben, R.
Alonso, F.
Arduh, Francisco Anuar
Dova, Maria Teresa
Monticelli, Fernando Gabriel
Wahlberg, Hernan Pablo
Sacerdoti, Sabrina
Reisin, Hernan Diego
Piegaia, Ricardo Nestor
Otero y Garzon, Gustavo Javier
Zieminska, D.
Zimine, N. I.
Zimmermann, C.
Zimmermann, S.
Zinonos, Z.
Zinser, M.
Ziolkowski, M.
Živkovic, L.
Zobernig, G.
Zoccoli, A.
Nedden, M. zur
Zurzolo, G.
Zwalinski, L.
The ATLAS Collaboration
author_role author
author2 Abbott, B.
Abdallah, J.
Abdinov, O.
Aben, R.
Alonso, F.
Arduh, Francisco Anuar
Dova, Maria Teresa
Monticelli, Fernando Gabriel
Wahlberg, Hernan Pablo
Sacerdoti, Sabrina
Reisin, Hernan Diego
Piegaia, Ricardo Nestor
Otero y Garzon, Gustavo Javier
Zieminska, D.
Zimine, N. I.
Zimmermann, C.
Zimmermann, S.
Zinonos, Z.
Zinser, M.
Ziolkowski, M.
Živkovic, L.
Zobernig, G.
Zoccoli, A.
Nedden, M. zur
Zurzolo, G.
Zwalinski, L.
The ATLAS Collaboration
author2_role author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
dc.subject.none.fl_str_mv ATLAS experiment
boosted jets
jet composition
W/Z boson
topic ATLAS experiment
boosted jets
jet composition
W/Z boson
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.3
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv The distribution of particles inside hadronic jets produced in the decay of boosted W and Z bosons can be used to discriminate such jets from the continuum background. Given that a jet has been identified as likely resulting from the hadronic decay of a boosted W or Z boson, this paper presents a technique for further differentiating Z bosons from W bosons. The variables used are jet mass, jet charge, and a b-tagging discriminant. A likelihood tagger is constructed from these variables and tested in the simulation of W0 → WZ for bosons in the transverse momentum range 200 GeV < pT < 400 GeV in √ s = 8 TeV pp collisions with the ATLAS detector at the LHC. For Z-boson tagging efficiencies of Z = 90%, 50%, and 10%, one can achieve W+ -boson tagging rejection factors (1/ W+ ) of 1.7, 8.3 and 1000, respectively. It is not possible to measure these efficiencies in the data due to the lack of a pure sample of high pT, hadronically decaying Z bosons. However, the modelling of the tagger inputs for boosted W bosons is studied in data using a tt¯-enriched sample of events in 20.3 fb−1 of data at √ s = 8 TeV. The inputs are well modelled within uncertainties, which builds confidence in the expected tagger performance
Fil: Aad, G.. Aix-Marseille Université and CNRS/IN2P3; Francia
Fil: Abbott, B.. Oklahoma State University; Estados Unidos
Fil: Abdallah, J.. Academia Sinica; China
Fil: Abdinov, O.. Azerbaijan Academy of Sciences; Azerbaiyán
Fil: Aben, R.. Nikhef National Institute for Subatomic Physics and University of Amsterdam; Países Bajos
Fil: Alonso, F.. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Física La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Instituto de Física La Plata; Argentina
Fil: Arduh, Francisco Anuar. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Física La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Instituto de Física La Plata; Argentina. Cern - European Organization For Nuclear Research; Suiza
Fil: Dova, Maria Teresa. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Física La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Instituto de Física La Plata; Argentina
Fil: Monticelli, Fernando Gabriel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Física La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Instituto de Física La Plata; Argentina
Fil: Wahlberg, Hernan Pablo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Física La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Instituto de Física La Plata; Argentina
Fil: Sacerdoti, Sabrina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Física; Argentina
Fil: Reisin, Hernan Diego. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Física; Argentina
Fil: Piegaia, Ricardo Nestor. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Física; Argentina
Fil: Otero y Garzon, Gustavo Javier. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Física; Argentina
Fil: Zieminska, D.. Indiana University; Estados Unidos
Fil: Zimine, N. I.. Joint Institute for Nuclear Research; Rusia
Fil: Zimmermann, C.. Institut für Physik; Alemania
Fil: Zimmermann, S.. Fakultät für Mathematik und Physik; Alemania
Fil: Zinonos, Z.. Georg-August-Universität; Alemania
Fil: Zinser, M.. Institut für Physik; Alemania
Fil: Ziolkowski, M.. Universität Siegen; Alemania
Fil: Živkovic, L.. University of Belgrade; Serbia
Fil: Zobernig, G.. University of Wisconsin; Estados Unidos
Fil: Zoccoli, A.. Dipartimento di Fisica e Astronomia; Italia
Fil: Nedden, M. zur. Humboldt University; Alemania
Fil: Zurzolo, G.. Università di Napoli. Dipartimento di Fisica; Italia
Fil: Zwalinski, L.. Cern - European Organization For Nuclear Research. The Cern Council; Suiza
Fil: The ATLAS Collaboration. No especifica;
description The distribution of particles inside hadronic jets produced in the decay of boosted W and Z bosons can be used to discriminate such jets from the continuum background. Given that a jet has been identified as likely resulting from the hadronic decay of a boosted W or Z boson, this paper presents a technique for further differentiating Z bosons from W bosons. The variables used are jet mass, jet charge, and a b-tagging discriminant. A likelihood tagger is constructed from these variables and tested in the simulation of W0 → WZ for bosons in the transverse momentum range 200 GeV < pT < 400 GeV in √ s = 8 TeV pp collisions with the ATLAS detector at the LHC. For Z-boson tagging efficiencies of Z = 90%, 50%, and 10%, one can achieve W+ -boson tagging rejection factors (1/ W+ ) of 1.7, 8.3 and 1000, respectively. It is not possible to measure these efficiencies in the data due to the lack of a pure sample of high pT, hadronically decaying Z bosons. However, the modelling of the tagger inputs for boosted W bosons is studied in data using a tt¯-enriched sample of events in 20.3 fb−1 of data at √ s = 8 TeV. The inputs are well modelled within uncertainties, which builds confidence in the expected tagger performance
publishDate 2015
dc.date.none.fl_str_mv 2015-09
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
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://hdl.handle.net/11336/51219
Aad, G.; Abbott, B.; Abdallah, J.; Abdinov, O.; Aben, R.; et al.; A new method to distinguish hadronically decaying boosted Z bosons from W bosons using the ATLAS detector; Springer; European Physical Journal C: Particles and Fields; 76; 9-2015; 238-259
1434-6044
CONICET Digital
CONICET
url http://hdl.handle.net/11336/51219
identifier_str_mv Aad, G.; Abbott, B.; Abdallah, J.; Abdinov, O.; Aben, R.; et al.; A new method to distinguish hadronically decaying boosted Z bosons from W bosons using the ATLAS detector; Springer; European Physical Journal C: Particles and Fields; 76; 9-2015; 238-259
1434-6044
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.1140/epjc/s10052-016-4065-1
info:eu-repo/semantics/altIdentifier/url/https://link.springer.com/article/10.1140/epjc/s10052-016-4065-1
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
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application/pdf
application/pdf
dc.publisher.none.fl_str_mv Springer
publisher.none.fl_str_mv Springer
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instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
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