Search for the decay D-0 -> pi(+)pi(-)mu(+)mu(-)
A search for the D0→ π +π −µ +µ − decay, where the muon pair does not originate from a resonance, is performed using proton-proton collision data corresponding to an integrated luminosity of 1.0 fb−1 recorded by the LHCb experiment at a centreof-mass energy of 7 TeV. No signal is observed and an upp...
| Autores: | , , , , , , |
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| Tipo de recurso: | artículo |
| Estado: | Versión publicada |
| Fecha de publicación: | 2014 |
| País: | España |
| Institución: | Universidad de Barcelona |
| Repositorio: | Dipòsit Digital de la UB |
| OAI Identifier: | oai:diposit.ub.edu:2445/185617 |
| Acceso en línea: | https://hdl.handle.net/2445/185617 |
| Access Level: | acceso abierto |
| Palabra clave: | Hadrons Gran Col·lisionador d'Hadrons Física de partícules Experiments Large Hadron Collider (France and Switzerland) Particle physics |
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Search for the decay D-0 -> pi(+)pi(-)mu(+)mu(-)Camboni, AlessandroComerma-Montells, A.Garrido Beltrán, LluísPicatoste Olloqui, EduardoPotterat, CédricRives Molina, Vicente JoséLHCb CollaborationHadronsGran Col·lisionador d'HadronsFísica de partículesExperimentsHadronsLarge Hadron Collider (France and Switzerland)Particle physicsExperimentsA search for the D0→ π +π −µ +µ − decay, where the muon pair does not originate from a resonance, is performed using proton-proton collision data corresponding to an integrated luminosity of 1.0 fb−1 recorded by the LHCb experiment at a centreof-mass energy of 7 TeV. No signal is observed and an upper limit on the relative branching fraction with respect to the resonant decay mode D0→ π +π −φ(→ µ +µ −), under the assumption of a phase-space model, is found to be B(D0→ π +π −µ +µ −)/B(D0 → π +π −φ(→ µ +µ −)) < 0.96 at 90% confidence level. The upper limit on the absolute branching fraction is evaluated to be B(D0→ π +π −µ +µ −) < 5.5 × 10−7 at 90% confidence level. This is the most stringent to date.Elsevier B.V.2014info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://hdl.handle.net/2445/185617Articles publicats en revistes (Física Quàntica i Astrofísica)reponame:Dipòsit Digital de la UBinstname:Universidad de BarcelonaInglésReproducció del document publicat a: https://doi.org/10.1016/j.physletb.2013.11.053Physics Letters B, 2014, vol. 728, p. 234-243https://doi.org/10.1016/j.physletb.2013.11.053cc-by (c) Camboni, Al et al., 2014https://creativecommons.org/licenses/by/4.0/info:eu-repo/semantics/openAccessoai:diposit.ub.edu:2445/1856172026-05-27T06:46:51Z |
| dc.title.none.fl_str_mv |
Search for the decay D-0 -> pi(+)pi(-)mu(+)mu(-) |
| title |
Search for the decay D-0 -> pi(+)pi(-)mu(+)mu(-) |
| spellingShingle |
Search for the decay D-0 -> pi(+)pi(-)mu(+)mu(-) Camboni, Alessandro Hadrons Gran Col·lisionador d'Hadrons Física de partícules Experiments Hadrons Large Hadron Collider (France and Switzerland) Particle physics Experiments |
| title_short |
Search for the decay D-0 -> pi(+)pi(-)mu(+)mu(-) |
| title_full |
Search for the decay D-0 -> pi(+)pi(-)mu(+)mu(-) |
| title_fullStr |
Search for the decay D-0 -> pi(+)pi(-)mu(+)mu(-) |
| title_full_unstemmed |
Search for the decay D-0 -> pi(+)pi(-)mu(+)mu(-) |
| title_sort |
Search for the decay D-0 -> pi(+)pi(-)mu(+)mu(-) |
| dc.creator.none.fl_str_mv |
Camboni, Alessandro Comerma-Montells, A. Garrido Beltrán, Lluís Picatoste Olloqui, Eduardo Potterat, Cédric Rives Molina, Vicente José LHCb Collaboration |
| author |
Camboni, Alessandro |
| author_facet |
Camboni, Alessandro Comerma-Montells, A. Garrido Beltrán, Lluís Picatoste Olloqui, Eduardo Potterat, Cédric Rives Molina, Vicente José LHCb Collaboration |
| author_role |
author |
| author2 |
Comerma-Montells, A. Garrido Beltrán, Lluís Picatoste Olloqui, Eduardo Potterat, Cédric Rives Molina, Vicente José LHCb Collaboration |
| author2_role |
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 |
A search for the D0→ π +π −µ +µ − decay, where the muon pair does not originate from a resonance, is performed using proton-proton collision data corresponding to an integrated luminosity of 1.0 fb−1 recorded by the LHCb experiment at a centreof-mass energy of 7 TeV. No signal is observed and an upper limit on the relative branching fraction with respect to the resonant decay mode D0→ π +π −φ(→ µ +µ −), under the assumption of a phase-space model, is found to be B(D0→ π +π −µ +µ −)/B(D0 → π +π −φ(→ µ +µ −)) < 0.96 at 90% confidence level. The upper limit on the absolute branching fraction is evaluated to be B(D0→ π +π −µ +µ −) < 5.5 × 10−7 at 90% confidence level. This is the most stringent to date. |
| publishDate |
2014 |
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2014 |
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info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
| format |
article |
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publishedVersion |
| dc.identifier.none.fl_str_mv |
https://hdl.handle.net/2445/185617 |
| url |
https://hdl.handle.net/2445/185617 |
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Inglés |
| language_invalid_str_mv |
Inglés |
| dc.relation.none.fl_str_mv |
Reproducció del document publicat a: https://doi.org/10.1016/j.physletb.2013.11.053 Physics Letters B, 2014, vol. 728, p. 234-243 https://doi.org/10.1016/j.physletb.2013.11.053 |
| dc.rights.none.fl_str_mv |
cc-by (c) Camboni, Al et al., 2014 https://creativecommons.org/licenses/by/4.0/ info:eu-repo/semantics/openAccess |
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cc-by (c) Camboni, Al et al., 2014 https://creativecommons.org/licenses/by/4.0/ |
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openAccess |
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application/pdf |
| dc.publisher.none.fl_str_mv |
Elsevier B.V. |
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Elsevier B.V. |
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Articles publicats en revistes (Física Quàntica i Astrofísica) reponame:Dipòsit Digital de la UB instname:Universidad de Barcelona |
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Universidad de Barcelona |
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Dipòsit Digital de la UB |
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Dipòsit Digital de la UB |
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