Measurement of ψ(2S) meson production in pp collisions at √s=7 TeV
The differential cross-section for the inclusive production of ψ(2S) mesons in pp collisions at s√=7 TeVs=7 TeV has been measured with the LHCb detector. The data sample corresponds to an integrated luminosity of 36 pb−1. The ψ(2S) mesons are reconstructed in the decay channels ψ(2S)→μ + μ − and ψ(2...
| Autores: | , , , , , , , , , , , , , , , , , , , |
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| Tipo de recurso: | artículo |
| Estado: | Versión publicada |
| Fecha de publicación: | 2012 |
| País: | España |
| Institución: | Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya) |
| Repositorio: | Recercat. Dipósit de la Recerca de Catalunya |
| OAI Identifier: | oai:recercat.cat:2445/99265 |
| Acceso en línea: | https://hdl.handle.net/2445/99265 |
| Access Level: | acceso abierto |
| Palabra clave: | Teoria quàntica de camps Gravitació Relativitat (Física) Teoria quàntica Hadrons Quantum field theory Gravitation Relativity (Physics) Quantum theory |
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Measurement of ψ(2S) meson production in pp collisions at √s=7 TeVAbellan Beteta, CarlosCalvo Gómez, MíriamCamboni, AlessandroComerma Montells, AlbertDomingo Bonal, FrancescGarrido Beltrán, LluísGascón Fora, DavidGrabalosa Gándara, MarcGraciani Díaz, RicardoGraugés Pous, EugeniLópez Asamar, EliasPérez-Calero Yzquierdo, AntonioPie Valls, B. (Blai)Potterat, CédricPuig Navarro, AlbertRoselló, M.Ruiz, Hugo (Ruiz Pérez)Vázquez Gómez, RicardVilasis-Cardona, XavierLHCb CollaborationTeoria quàntica de campsGravitacióRelativitat (Física)Teoria quànticaHadronsQuantum field theoryGravitationRelativity (Physics)Quantum theoryHadronsThe differential cross-section for the inclusive production of ψ(2S) mesons in pp collisions at s√=7 TeVs=7 TeV has been measured with the LHCb detector. The data sample corresponds to an integrated luminosity of 36 pb−1. The ψ(2S) mesons are reconstructed in the decay channels ψ(2S)→μ + μ − and ψ(2S)→J/ψπ + π −, with the J/ψ meson decaying into two muons. Results are presented both for promptly produced ψ(2S) mesons and for those originating from b-hadron decays. In the kinematic range p T(ψ(2S))≤16 GeV/c and 2<y(ψ(2S))≤4.5 we measure https://static-content.springer.com/image/art%3A10.1140%2Fepjc%2Fs10052-012-2100-4/MediaObjects/10052_2012_2100_Equa_HTML.gif where the last uncertainty on the prompt cross-section is due to the unknown ψ(2S) polarization. Recent QCD calculations are found to be in good agreement with our measurements. Combining the present result with the LHCb J/ψ measurements we determine the inclusive branching fraction https://static-content.springer.com/image/art%3A10.1140%2Fepjc%2Fs10052-012-2100-4/MediaObjects/10052_2012_2100_Equb_HTML.gif where the last uncertainty is due to the (b→J/ψX)B(b→J/ψX) , (J/ψ→μ+μ−)B(J/ψ→μ+μ−) and (ψ(2S)→e+e−)B(ψ(2S)→e+e−) branching fraction uncertainties.Società Italiana di Fisica & Springer Verlag2016201620122016info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://hdl.handle.net/2445/99265Articles 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: http://dx.doi.org/10.1140/epjc/s10052-012-2100-4European Physical Journal C, 2012, vol. 72, p. 2100http://dx.doi.org/10.1140/epjc/s10052-012-2100-4cc-by (c) LHCb Collaboration, 2012http://creativecommons.org/licenses/by/3.0/esinfo:eu-repo/semantics/openAccessoai:recercat.cat:2445/992652026-05-29T05:05:01Z |
| dc.title.none.fl_str_mv |
Measurement of ψ(2S) meson production in pp collisions at √s=7 TeV |
| title |
Measurement of ψ(2S) meson production in pp collisions at √s=7 TeV |
| spellingShingle |
Measurement of ψ(2S) meson production in pp collisions at √s=7 TeV Abellan Beteta, Carlos Teoria quàntica de camps Gravitació Relativitat (Física) Teoria quàntica Hadrons Quantum field theory Gravitation Relativity (Physics) Quantum theory Hadrons |
| title_short |
Measurement of ψ(2S) meson production in pp collisions at √s=7 TeV |
| title_full |
Measurement of ψ(2S) meson production in pp collisions at √s=7 TeV |
| title_fullStr |
Measurement of ψ(2S) meson production in pp collisions at √s=7 TeV |
| title_full_unstemmed |
Measurement of ψ(2S) meson production in pp collisions at √s=7 TeV |
| title_sort |
Measurement of ψ(2S) meson production in pp collisions at √s=7 TeV |
| dc.creator.none.fl_str_mv |
Abellan Beteta, Carlos Calvo Gómez, Míriam Camboni, Alessandro Comerma Montells, Albert Domingo Bonal, Francesc Garrido Beltrán, Lluís Gascón Fora, David Grabalosa Gándara, Marc Graciani Díaz, Ricardo Graugés Pous, Eugeni López Asamar, Elias Pérez-Calero Yzquierdo, Antonio Pie Valls, B. (Blai) Potterat, Cédric Puig Navarro, Albert Roselló, M. Ruiz, Hugo (Ruiz Pérez) Vázquez Gómez, Ricard Vilasis-Cardona, Xavier LHCb Collaboration |
| author |
Abellan Beteta, Carlos |
| author_facet |
Abellan Beteta, Carlos Calvo Gómez, Míriam Camboni, Alessandro Comerma Montells, Albert Domingo Bonal, Francesc Garrido Beltrán, Lluís Gascón Fora, David Grabalosa Gándara, Marc Graciani Díaz, Ricardo Graugés Pous, Eugeni López Asamar, Elias Pérez-Calero Yzquierdo, Antonio Pie Valls, B. (Blai) Potterat, Cédric Puig Navarro, Albert Roselló, M. Ruiz, Hugo (Ruiz Pérez) Vázquez Gómez, Ricard Vilasis-Cardona, Xavier LHCb Collaboration |
| author_role |
author |
| author2 |
Calvo Gómez, Míriam Camboni, Alessandro Comerma Montells, Albert Domingo Bonal, Francesc Garrido Beltrán, Lluís Gascón Fora, David Grabalosa Gándara, Marc Graciani Díaz, Ricardo Graugés Pous, Eugeni López Asamar, Elias Pérez-Calero Yzquierdo, Antonio Pie Valls, B. (Blai) Potterat, Cédric Puig Navarro, Albert Roselló, M. Ruiz, Hugo (Ruiz Pérez) Vázquez Gómez, Ricard Vilasis-Cardona, Xavier LHCb Collaboration |
| author2_role |
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 |
Teoria quàntica de camps Gravitació Relativitat (Física) Teoria quàntica Hadrons Quantum field theory Gravitation Relativity (Physics) Quantum theory Hadrons |
| topic |
Teoria quàntica de camps Gravitació Relativitat (Física) Teoria quàntica Hadrons Quantum field theory Gravitation Relativity (Physics) Quantum theory Hadrons |
| description |
The differential cross-section for the inclusive production of ψ(2S) mesons in pp collisions at s√=7 TeVs=7 TeV has been measured with the LHCb detector. The data sample corresponds to an integrated luminosity of 36 pb−1. The ψ(2S) mesons are reconstructed in the decay channels ψ(2S)→μ + μ − and ψ(2S)→J/ψπ + π −, with the J/ψ meson decaying into two muons. Results are presented both for promptly produced ψ(2S) mesons and for those originating from b-hadron decays. In the kinematic range p T(ψ(2S))≤16 GeV/c and 2<y(ψ(2S))≤4.5 we measure https://static-content.springer.com/image/art%3A10.1140%2Fepjc%2Fs10052-012-2100-4/MediaObjects/10052_2012_2100_Equa_HTML.gif where the last uncertainty on the prompt cross-section is due to the unknown ψ(2S) polarization. Recent QCD calculations are found to be in good agreement with our measurements. Combining the present result with the LHCb J/ψ measurements we determine the inclusive branching fraction https://static-content.springer.com/image/art%3A10.1140%2Fepjc%2Fs10052-012-2100-4/MediaObjects/10052_2012_2100_Equb_HTML.gif where the last uncertainty is due to the (b→J/ψX)B(b→J/ψX) , (J/ψ→μ+μ−)B(J/ψ→μ+μ−) and (ψ(2S)→e+e−)B(ψ(2S)→e+e−) branching fraction uncertainties. |
| publishDate |
2012 |
| dc.date.none.fl_str_mv |
2012 2016 2016 2016 |
| 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/2445/99265 |
| url |
https://hdl.handle.net/2445/99265 |
| dc.language.none.fl_str_mv |
Inglés |
| language_invalid_str_mv |
Inglés |
| dc.relation.none.fl_str_mv |
Reproducció del document publicat a: http://dx.doi.org/10.1140/epjc/s10052-012-2100-4 European Physical Journal C, 2012, vol. 72, p. 2100 http://dx.doi.org/10.1140/epjc/s10052-012-2100-4 |
| dc.rights.none.fl_str_mv |
cc-by (c) LHCb Collaboration, 2012 http://creativecommons.org/licenses/by/3.0/es info:eu-repo/semantics/openAccess |
| rights_invalid_str_mv |
cc-by (c) LHCb Collaboration, 2012 http://creativecommons.org/licenses/by/3.0/es |
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openAccess |
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application/pdf |
| dc.publisher.none.fl_str_mv |
Società Italiana di Fisica & Springer Verlag |
| publisher.none.fl_str_mv |
Società Italiana di Fisica & Springer Verlag |
| 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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