Search for Higgs Boson Pair Production in the γγbb¯ Final State Using pp Collision Data at √s = 8 TeV from the ATLAS Detector
- Autores
- Alconada Verzini, María Josefina; Alonso, Francisco; Anduaga, Xabier Sebastián; 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
- Searches are performed for resonant and nonresonant Higgs boson pair production in the γγbb¯ final state using 20 fb-1 of proton-proton collisions at a center-of-mass energy of 8 TeV recorded with the ATLAS detector at the CERN Large Hadron Collider. A 95% confidence level upper limit on the cross section times branching ratio of nonresonant production is set at 2.2 pb, while the expected limit is 1.0 pb. The difference derives from a modest excess of events, corresponding to 2.4 standard deviations from the background-only hypothesis. The limit observed in the search for a narrow X→hh resonance ranges between 0.7 and 3.5 pb as a function of the resonance mass.
La lista completa de autores que integran el documento puede consultarse en el archivo.
Facultad de Ciencias Exactas
Instituto de Física La Plata - Materia
-
Ciencias Exactas
Física
proton-proton collisions
ATLAS Detector - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- http://creativecommons.org/licenses/by/3.0/
- Repositorio
.jpg)
- Institución
- Universidad Nacional de La Plata
- OAI Identificador
- oai:sedici.unlp.edu.ar:10915/86840
Ver los metadatos del registro completo
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Search for Higgs Boson Pair Production in the γγbb¯ Final State Using pp Collision Data at √s = 8 TeV from the ATLAS DetectorAlconada Verzini, María JosefinaAlonso, FranciscoAnduaga, Xabier SebastiánDova, María TeresaMonticelli, Fernando GabrielWahlberg, Hernán PabloThe ATLAS CollaborationCiencias ExactasFísicaproton-proton collisionsATLAS DetectorSearches are performed for resonant and nonresonant Higgs boson pair production in the γγbb¯ final state using 20 fb<sup>-1</sup> of proton-proton collisions at a center-of-mass energy of 8 TeV recorded with the ATLAS detector at the CERN Large Hadron Collider. A 95% confidence level upper limit on the cross section times branching ratio of nonresonant production is set at 2.2 pb, while the expected limit is 1.0 pb. The difference derives from a modest excess of events, corresponding to 2.4 standard deviations from the background-only hypothesis. The limit observed in the search for a narrow X→hh resonance ranges between 0.7 and 3.5 pb as a function of the resonance mass.La lista completa de autores que integran el documento puede consultarse en el archivo.Facultad de Ciencias ExactasInstituto de Física La Plata2015info: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/10915/86840enginfo:eu-repo/semantics/altIdentifier/issn/0031-9007info:eu-repo/semantics/altIdentifier/doi/10.1103/PhysRevLett.114.081802info: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:UNLP2025-09-29T11:16:55Zoai:sedici.unlp.edu.ar:10915/86840Institucionalhttp://sedici.unlp.edu.ar/Universidad públicaNo correspondehttp://sedici.unlp.edu.ar/oai/snrdalira@sedici.unlp.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:13292025-09-29 11:16:55.592SEDICI (UNLP) - Universidad Nacional de La Platafalse |
| dc.title.none.fl_str_mv |
Search for Higgs Boson Pair Production in the γγbb¯ Final State Using pp Collision Data at √s = 8 TeV from the ATLAS Detector |
| title |
Search for Higgs Boson Pair Production in the γγbb¯ Final State Using pp Collision Data at √s = 8 TeV from the ATLAS Detector |
| spellingShingle |
Search for Higgs Boson Pair Production in the γγbb¯ Final State Using pp Collision Data at √s = 8 TeV from the ATLAS Detector Alconada Verzini, María Josefina Ciencias Exactas Física proton-proton collisions ATLAS Detector |
| title_short |
Search for Higgs Boson Pair Production in the γγbb¯ Final State Using pp Collision Data at √s = 8 TeV from the ATLAS Detector |
| title_full |
Search for Higgs Boson Pair Production in the γγbb¯ Final State Using pp Collision Data at √s = 8 TeV from the ATLAS Detector |
| title_fullStr |
Search for Higgs Boson Pair Production in the γγbb¯ Final State Using pp Collision Data at √s = 8 TeV from the ATLAS Detector |
| title_full_unstemmed |
Search for Higgs Boson Pair Production in the γγbb¯ Final State Using pp Collision Data at √s = 8 TeV from the ATLAS Detector |
| title_sort |
Search for Higgs Boson Pair Production in the γγbb¯ Final State Using pp Collision Data at √s = 8 TeV from the ATLAS Detector |
| dc.creator.none.fl_str_mv |
Alconada Verzini, María Josefina Alonso, Francisco Anduaga, Xabier Sebastián 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 Anduaga, Xabier Sebastián Dova, María Teresa Monticelli, Fernando Gabriel Wahlberg, Hernán Pablo The ATLAS Collaboration |
| author_role |
author |
| author2 |
Alonso, Francisco Anduaga, Xabier Sebastián 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 proton-proton collisions ATLAS Detector |
| topic |
Ciencias Exactas Física proton-proton collisions ATLAS Detector |
| dc.description.none.fl_txt_mv |
Searches are performed for resonant and nonresonant Higgs boson pair production in the γγbb¯ final state using 20 fb<sup>-1</sup> of proton-proton collisions at a center-of-mass energy of 8 TeV recorded with the ATLAS detector at the CERN Large Hadron Collider. A 95% confidence level upper limit on the cross section times branching ratio of nonresonant production is set at 2.2 pb, while the expected limit is 1.0 pb. The difference derives from a modest excess of events, corresponding to 2.4 standard deviations from the background-only hypothesis. The limit observed in the search for a narrow X→hh resonance ranges between 0.7 and 3.5 pb as a function of the resonance mass. La lista completa de autores que integran el documento puede consultarse en el archivo. Facultad de Ciencias Exactas Instituto de Física La Plata |
| description |
Searches are performed for resonant and nonresonant Higgs boson pair production in the γγbb¯ final state using 20 fb<sup>-1</sup> of proton-proton collisions at a center-of-mass energy of 8 TeV recorded with the ATLAS detector at the CERN Large Hadron Collider. A 95% confidence level upper limit on the cross section times branching ratio of nonresonant production is set at 2.2 pb, while the expected limit is 1.0 pb. The difference derives from a modest excess of events, corresponding to 2.4 standard deviations from the background-only hypothesis. The limit observed in the search for a narrow X→hh resonance ranges between 0.7 and 3.5 pb as a function of the resonance mass. |
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2015 |
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2015 |
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http://sedici.unlp.edu.ar/handle/10915/86840 |
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eng |
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eng |
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info:eu-repo/semantics/altIdentifier/issn/0031-9007 info:eu-repo/semantics/altIdentifier/doi/10.1103/PhysRevLett.114.081802 |
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