Observation of Bc+ →Dh+h- Decays

Calvo Gomez, Miriam; Golobardes Ribé, Elisabet; Vilasis-Cardona, Xavier; LHCb Collaboration - CERN

Observation of Bc+ →Dh+h- Decays

Searches are presented for Bc+→Dh+h- decays, where D is a charmed meson and h± is a charged pion or kaon, using pp collision data collected by the LHCb experiment corresponding to an integrated luminosity of 9 fb-1. The decays Bc+→D+K+π-, Bc+→D∗+K+π-, and Bc+→Ds+K+K- are observed for the first time....

Descripción completa

Detalles Bibliográficos
Autores:	Calvo Gomez, Miriam, Golobardes Ribé, Elisabet, Vilasis-Cardona, Xavier, LHCb Collaboration - CERN
Tipo de recurso:	artículo
Fecha de publicación:	2025
País:	España
Institución:	Universitat Ramon Llull (URL)
Repositorio:	DAU Arxiu Digital de la Universitat Ramon Llull
OAI Identifier:	oai:dau.url.edu:20.500.14342/5917
Acceso en línea:	http://hdl.handle.net/20.500.14342/5917 https://doi.org/10.1103/fsj9-89jt
Access Level:	acceso abierto
Palabra clave:	Cabibbo-Kobayashi-Maskawa matrix Electroweak interaction Quark model Bottom mesons Charmed mesons Hadron colliders Gran col·lisionador d'hadrons (França i Suïssa) 53 539

id	ES_d7d0eebbd83435fb91b4f8de7d084680
oai_identifier_str	oai:dau.url.edu:20.500.14342/5917
network_acronym_str	ES
network_name_str	España
repository_id_str
spelling	Observation of Bc+ →Dh+h- DecaysCalvo Gomez, MiriamGolobardes Ribé, ElisabetVilasis-Cardona, XavierLHCb Collaboration - CERNCabibbo-Kobayashi-Maskawa matrixElectroweak interactionQuark modelBottom mesonsCharmed mesonsHadron collidersGran col·lisionador d'hadrons (França i Suïssa)53539Searches are presented for Bc+→Dh+h- decays, where D is a charmed meson and h± is a charged pion or kaon, using pp collision data collected by the LHCb experiment corresponding to an integrated luminosity of 9 fb-1. The decays Bc+→D+K+π-, Bc+→D∗+K+π-, and Bc+→Ds+K+K- are observed for the first time. Their branching fractions, expressed as ratios relative to that of the Bc+→Bs0π+ decay, are determined to be R(Bc+→D+K+π-)=(1.96±0.23±0.08±0.10)×10-3, R(Bc+→D∗+K+π-)=(3.67±0.55±0.24±0.20)×10-3, R(Bc+→Ds+K+K-)=(1.61±0.35±0.13±0.07)×10-3, where the first uncertainty is statistical, the second is systematic, and the third is due to the limited precision on the D-meson branching fractions. The decay channels proceed primarily through excited K0 or D0 resonances or φ mesons, and open a new avenue for studies of charge-parity violation in beauty mesons.info:eu-repo/semantics/publishedVersionAmerican Physical SocietyUniversitat Ramon Llull. La Salle2026202620252026info:eu-repo/semantics/article12 p.application/pdfhttp://hdl.handle.net/20.500.14342/5917https://doi.org/10.1103/fsj9-89jtreponame:DAU Arxiu Digital de la Universitat Ramon Llullinstname:Universitat Ramon Llull (URL)InglésPhysical review letters. 2026. 134© CERNAttribution 4.0 Internationalhttp://creativecommons.org/licenses/by/4.0/info:eu-repo/semantics/openAccessoai:dau.url.edu:20.500.14342/59172026-06-21T06:40:37Z
dc.title.none.fl_str_mv	Observation of Bc+ →Dh+h- Decays
title	Observation of Bc+ →Dh+h- Decays
spellingShingle	Observation of Bc+ →Dh+h- Decays Calvo Gomez, Miriam Cabibbo-Kobayashi-Maskawa matrix Electroweak interaction Quark model Bottom mesons Charmed mesons Hadron colliders Gran col·lisionador d'hadrons (França i Suïssa) 53 539
title_short	Observation of Bc+ →Dh+h- Decays
title_full	Observation of Bc+ →Dh+h- Decays
title_fullStr	Observation of Bc+ →Dh+h- Decays
title_full_unstemmed	Observation of Bc+ →Dh+h- Decays
title_sort	Observation of Bc+ →Dh+h- Decays
dc.creator.none.fl_str_mv	Calvo Gomez, Miriam Golobardes Ribé, Elisabet Vilasis-Cardona, Xavier LHCb Collaboration - CERN
author	Calvo Gomez, Miriam
author_facet	Calvo Gomez, Miriam Golobardes Ribé, Elisabet Vilasis-Cardona, Xavier LHCb Collaboration - CERN
author_role	author
author2	Golobardes Ribé, Elisabet Vilasis-Cardona, Xavier LHCb Collaboration - CERN
author2_role	author author author
dc.contributor.none.fl_str_mv	Universitat Ramon Llull. La Salle
dc.subject.none.fl_str_mv	Cabibbo-Kobayashi-Maskawa matrix Electroweak interaction Quark model Bottom mesons Charmed mesons Hadron colliders Gran col·lisionador d'hadrons (França i Suïssa) 53 539
topic	Cabibbo-Kobayashi-Maskawa matrix Electroweak interaction Quark model Bottom mesons Charmed mesons Hadron colliders Gran col·lisionador d'hadrons (França i Suïssa) 53 539
description	Searches are presented for Bc+→Dh+h- decays, where D is a charmed meson and h± is a charged pion or kaon, using pp collision data collected by the LHCb experiment corresponding to an integrated luminosity of 9 fb-1. The decays Bc+→D+K+π-, Bc+→D∗+K+π-, and Bc+→Ds+K+K- are observed for the first time. Their branching fractions, expressed as ratios relative to that of the Bc+→Bs0π+ decay, are determined to be R(Bc+→D+K+π-)=(1.96±0.23±0.08±0.10)×10-3, R(Bc+→D∗+K+π-)=(3.67±0.55±0.24±0.20)×10-3, R(Bc+→Ds+K+K-)=(1.61±0.35±0.13±0.07)×10-3, where the first uncertainty is statistical, the second is systematic, and the third is due to the limited precision on the D-meson branching fractions. The decay channels proceed primarily through excited K0 or D0 resonances or φ mesons, and open a new avenue for studies of charge-parity violation in beauty mesons.
publishDate	2025
dc.date.none.fl_str_mv	2025 2026 2026 2026
dc.type.none.fl_str_mv	info:eu-repo/semantics/article
format	article
dc.identifier.none.fl_str_mv	http://hdl.handle.net/20.500.14342/5917 https://doi.org/10.1103/fsj9-89jt
url	http://hdl.handle.net/20.500.14342/5917 https://doi.org/10.1103/fsj9-89jt
dc.language.none.fl_str_mv	Inglés
language_invalid_str_mv	Inglés
dc.relation.none.fl_str_mv	Physical review letters. 2026. 134
dc.rights.none.fl_str_mv	© CERN Attribution 4.0 International http://creativecommons.org/licenses/by/4.0/ info:eu-repo/semantics/openAccess
rights_invalid_str_mv	© CERN Attribution 4.0 International http://creativecommons.org/licenses/by/4.0/
eu_rights_str_mv	openAccess
dc.format.none.fl_str_mv	12 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	reponame:DAU Arxiu Digital de la Universitat Ramon Llull instname:Universitat Ramon Llull (URL)
instname_str	Universitat Ramon Llull (URL)
reponame_str	DAU Arxiu Digital de la Universitat Ramon Llull
collection	DAU Arxiu Digital de la Universitat Ramon Llull
repository.name.fl_str_mv
repository.mail.fl_str_mv
_version_	1869421040999858176
score	15.812429

Observation of Bc+ →Dh+h- Decays

Similares en LA Referencia