Observation of the decay Bs0→D¯0K+K−
The first observation of the B0 s → D¯ 0KþK− decay is reported, together with the most precise branching fraction measurement of the mode B0 → D¯ 0KþK−. The results are obtained from an analysis of pp collision data corresponding to an integrated luminosity of 3.0 fb−1. The data were collected with...
| Authors: | , , , , , , , , , , , |
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| Format: | article |
| Status: | Published version |
| Publication Date: | 2018 |
| Country: | España |
| Institution: | Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya) |
| Repository: | Recercat. Dipósit de la Recerca de Catalunya |
| OAI Identifier: | oai:recercat.cat:2445/185497 |
| Online Access: | https://hdl.handle.net/2445/185497 |
| Access Level: | Open access |
| Keyword: | Hadrons Gran Col·lisionador d'Hadrons Física de partícules Experiments Large Hadron Collider (France and Switzerland) Particle physics |
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Observation of the decay Bs0→D¯0K+K−Alfonso Albero, AlejandroCalvo Gomez, M.Camboni, AlessandroCoquereau, SamuelGarrido Beltrán, LluísGascon, D.Gironella Gironell, P.Graciani Díazaz, RicardoGraugés Pous, EugeniVazquez Gomez, R.Marin Benito, CarlaLHCb CollaborationHadronsGran Col·lisionador d'HadronsFísica de partículesExperimentsHadronsLarge Hadron Collider (France and Switzerland)Particle physicsExperimentsThe first observation of the B0 s → D¯ 0KþK− decay is reported, together with the most precise branching fraction measurement of the mode B0 → D¯ 0KþK−. The results are obtained from an analysis of pp collision data corresponding to an integrated luminosity of 3.0 fb−1. The data were collected with the LHCb detector at center-of-mass energies of 7 and 8 TeV. The branching fraction of the B0 → D¯ 0KþK− decay is measured relative to that of the decay B0 → D¯ 0πþπ− to be BðB0→D¯ 0KþK−Þ BðB0→D¯ 0πþπ−Þ ¼ ð6.9 0.4 0.3Þ%, where the first uncertainty is statistical and the second is systematic. The measured branching fraction of the B0 s → D¯ 0KþK− decay mode relative to that of the corresponding B0 decay is BðB0 s→D¯ 0KþK−Þ BðB0→D¯ 0KþK−Þ ¼ ð93.0 8.9 6.9Þ%. Using the known branching fraction of B0 → D¯ 0πþπ−, the values of BðB0 →D¯ 0KþK−Þ¼ð6.10.40.30.3Þ×10−5 and BðB0 s →D¯ 0KþK−Þ¼ð5.70.50.40.5Þ×10−5 are obtained, where the third uncertainties arise from the branching fraction of the decay modes B0 → D¯ 0πþπ− and B0 → D¯ 0KþK−, respectively.American Physical Society2022202220182022info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersion19 p.application/pdfhttps://hdl.handle.net/2445/185497Articles publicats en revistes (Física Quàntica i Astrofísica)reponame:Recercat. Dipósit de la Recerca de Catalunyainstname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)InglésReproducció del document publicat a: https://doi.org/10.1103/PhysRevD.98.072006Physical Review D, 2018, vol. 2021, p. 1-19https://doi.org/10.1103/PhysRevD.98.072006(c) American Physical Society, 2018info:eu-repo/semantics/openAccessoai:recercat.cat:2445/1854972026-05-29T05:05:01Z |
| dc.title.none.fl_str_mv |
Observation of the decay Bs0→D¯0K+K− |
| title |
Observation of the decay Bs0→D¯0K+K− |
| spellingShingle |
Observation of the decay Bs0→D¯0K+K− Alfonso Albero, Alejandro Hadrons Gran Col·lisionador d'Hadrons Física de partícules Experiments Hadrons Large Hadron Collider (France and Switzerland) Particle physics Experiments |
| title_short |
Observation of the decay Bs0→D¯0K+K− |
| title_full |
Observation of the decay Bs0→D¯0K+K− |
| title_fullStr |
Observation of the decay Bs0→D¯0K+K− |
| title_full_unstemmed |
Observation of the decay Bs0→D¯0K+K− |
| title_sort |
Observation of the decay Bs0→D¯0K+K− |
| dc.creator.none.fl_str_mv |
Alfonso Albero, Alejandro Calvo Gomez, M. Camboni, Alessandro Coquereau, Samuel Garrido Beltrán, Lluís Gascon, D. Gironella Gironell, P. Graciani Díazaz, Ricardo Graugés Pous, Eugeni Vazquez Gomez, R. Marin Benito, Carla LHCb Collaboration |
| author |
Alfonso Albero, Alejandro |
| author_facet |
Alfonso Albero, Alejandro Calvo Gomez, M. Camboni, Alessandro Coquereau, Samuel Garrido Beltrán, Lluís Gascon, D. Gironella Gironell, P. Graciani Díazaz, Ricardo Graugés Pous, Eugeni Vazquez Gomez, R. Marin Benito, Carla LHCb Collaboration |
| author_role |
author |
| author2 |
Calvo Gomez, M. Camboni, Alessandro Coquereau, Samuel Garrido Beltrán, Lluís Gascon, D. Gironella Gironell, P. Graciani Díazaz, Ricardo Graugés Pous, Eugeni Vazquez Gomez, R. Marin Benito, Carla LHCb Collaboration |
| author2_role |
author author author author author author author author author author author |
| dc.subject.none.fl_str_mv |
Hadrons Gran Col·lisionador d'Hadrons Física de partícules Experiments Hadrons Large Hadron Collider (France and Switzerland) Particle physics Experiments |
| topic |
Hadrons Gran Col·lisionador d'Hadrons Física de partícules Experiments Hadrons Large Hadron Collider (France and Switzerland) Particle physics Experiments |
| description |
The first observation of the B0 s → D¯ 0KþK− decay is reported, together with the most precise branching fraction measurement of the mode B0 → D¯ 0KþK−. The results are obtained from an analysis of pp collision data corresponding to an integrated luminosity of 3.0 fb−1. The data were collected with the LHCb detector at center-of-mass energies of 7 and 8 TeV. The branching fraction of the B0 → D¯ 0KþK− decay is measured relative to that of the decay B0 → D¯ 0πþπ− to be BðB0→D¯ 0KþK−Þ BðB0→D¯ 0πþπ−Þ ¼ ð6.9 0.4 0.3Þ%, where the first uncertainty is statistical and the second is systematic. The measured branching fraction of the B0 s → D¯ 0KþK− decay mode relative to that of the corresponding B0 decay is BðB0 s→D¯ 0KþK−Þ BðB0→D¯ 0KþK−Þ ¼ ð93.0 8.9 6.9Þ%. Using the known branching fraction of B0 → D¯ 0πþπ−, the values of BðB0 →D¯ 0KþK−Þ¼ð6.10.40.30.3Þ×10−5 and BðB0 s →D¯ 0KþK−Þ¼ð5.70.50.40.5Þ×10−5 are obtained, where the third uncertainties arise from the branching fraction of the decay modes B0 → D¯ 0πþπ− and B0 → D¯ 0KþK−, respectively. |
| publishDate |
2018 |
| dc.date.none.fl_str_mv |
2018 2022 2022 2022 |
| dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
| format |
article |
| status_str |
publishedVersion |
| dc.identifier.none.fl_str_mv |
https://hdl.handle.net/2445/185497 |
| url |
https://hdl.handle.net/2445/185497 |
| dc.language.none.fl_str_mv |
Inglés |
| language_invalid_str_mv |
Inglés |
| dc.relation.none.fl_str_mv |
Reproducció del document publicat a: https://doi.org/10.1103/PhysRevD.98.072006 Physical Review D, 2018, vol. 2021, p. 1-19 https://doi.org/10.1103/PhysRevD.98.072006 |
| dc.rights.none.fl_str_mv |
(c) American Physical Society, 2018 info:eu-repo/semantics/openAccess |
| rights_invalid_str_mv |
(c) American Physical Society, 2018 |
| eu_rights_str_mv |
openAccess |
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19 p. application/pdf |
| dc.publisher.none.fl_str_mv |
American Physical Society |
| publisher.none.fl_str_mv |
American Physical Society |
| dc.source.none.fl_str_mv |
Articles publicats en revistes (Física Quàntica i Astrofísica) reponame:Recercat. Dipósit de la Recerca de Catalunya instname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya) |
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Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya) |
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Recercat. Dipósit de la Recerca de Catalunya |
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Recercat. Dipósit de la Recerca de Catalunya |
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