Measurement of the Ξ−b and Ω−b baryon lifetimes

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dc.contributor.affiliationUniversidade de Santiago de Compostela. Departamento de Física de Partículasgl
dc.contributor.affiliationUniversidade de Santiago de Compostela. Instituto Galego de Física de Altas Enerxías (IGFAE)gl
dc.contributor.authorLHCb Collaboration
dc.contributor.authorAdeva Andany, Bernardo
dc.contributor.authorÁlvarez Cartelle, Paula
dc.contributor.authorDosil Suárez, Álvaro
dc.contributor.authorFernández Albor, Víctor Manuel
dc.contributor.authorGallas Torreira, Abraham Antonio
dc.contributor.authorHernando Morata, José Ángel
dc.contributor.authorPazos Álvarez, Antonio
dc.contributor.authorPlo Casasus, Máximo
dc.contributor.authorRomero Vidal, Antonio
dc.contributor.authorSaborido Silva, Juan José
dc.contributor.authorSanmartín Sedes, Brais
dc.contributor.authorSantamarina Ríos, Cibrán
dc.contributor.authorSeco Miguélez, Marcos Antonio
dc.contributor.authorVázquez Regueiro, Pablo
dc.contributor.authorVázquez Sierra, Carlos
dc.contributor.authorVieites Díaz, María
dc.date.accessioned2020-05-08T11:27:59Z
dc.date.available2020-05-08T11:27:59Z
dc.date.issued2014
dc.description.abstractUsing a data sample of ppcollisions corresponding to an integrated luminosity of 3fb−1, the Ξ−band Ω−bbaryons are reconstructed in the Ξ−b→J/ψΞ−and Ω−b→J/ψΩ−decay modes and their lifetimes measured to be τ Ξ − b = 1.55+0.10 −0.09 (stat)±0.03 (syst) ps, τ Ω − b = 1.54+0.26 −0.21 (stat)± 0.05 (syst) ps. These are the most precise determinations to date. Both measurements are in good agreement with previous experimental results and with theoretical predictionsgl
dc.description.peerreviewedSIgl
dc.identifier.citationAaij, R., Adeva, B., Adinolfi, M., Affolder, A., Ajaltouni, Z., Albrecht, J., ... & Cartelle, P. A. (2014). Measurement of the Ξ−b and Ω−b baryon lifetimes. Physics Letters B, 736, 154-162gl
dc.identifier.doi10.1016/j.physletb.2014.06.064
dc.identifier.essn1873-2445
dc.identifier.issn0370-2693
dc.identifier.urihttp://hdl.handle.net/10347/22143
dc.language.isoenggl
dc.publisherElseviergl
dc.relation.publisherversionhttps://doi.org/10.1016/j.physletb.2014.06.064gl
dc.rights©2014 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/3.0/). Funded by SCOAP3.gl
dc.rights.accessRightsopen accessgl
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/
dc.titleMeasurement of the Ξ−b and Ω−b baryon lifetimesgl
dc.typejournal articlegl
dc.type.hasVersionVoRgl
dspace.entity.typePublication
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