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http://hdl.handle.net/2445/133075
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DC Field | Value | Language |
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dc.contributor.author | Badalov, Alexey | - |
dc.contributor.author | Calvo Gómez, Míriam | - |
dc.contributor.author | Camboni, Alessandro | - |
dc.contributor.author | Comerma Montells, Albert | - |
dc.contributor.author | Garrido Beltrán, Lluís | - |
dc.contributor.author | Gascón Fora, David | - |
dc.contributor.author | Graciani Díaz, Ricardo | - |
dc.contributor.author | Graugés Pous, Eugeni | - |
dc.contributor.author | Marin Benito, Carla | - |
dc.contributor.author | Picatoste Olloqui, Eduardo | - |
dc.contributor.author | Rives Molina, Vicente José | - |
dc.contributor.author | Ruiz, Hugo (Ruiz Pérez) | - |
dc.contributor.author | Vilasis-Cardona, Xavier | - |
dc.contributor.author | LHCb Collaboration | - |
dc.date.accessioned | 2019-05-13T11:54:19Z | - |
dc.date.available | 2019-05-13T11:54:19Z | - |
dc.date.issued | 2014-05-21 | - |
dc.identifier.issn | 0031-9007 | - |
dc.identifier.uri | http://hdl.handle.net/2445/133075 | - |
dc.description.abstract | First observations of the decays Λ 0 b → Λ + c D − ( s ) are reported using data corresponding to an integrated luminosity of 3 fb − 1 collected at 7 and 8 TeV center-of-mass energies in proton-proton collisions with the LHCb detector. In addition, the most precise measurement of the branching fraction B ( B 0 s → D + D − s ) is made and a search is performed for the decays B 0 ( s ) → Λ + c Λ − c . The results obtained are B ( Λ 0 b → Λ + c D − ) / B ( Λ 0 b → Λ + c D − s ) = 0.042 ± 0.003 ( stat) ± 0.003 ( syst ) , [ B ( Λ 0 b → Λ + c D − s ) B ( ¯ B 0 → D + D − s ) ] / [ B ( Λ 0 b → Λ + c π − ) B ( ¯ B 0 → D + π − ) ] = 0.96 ± 0.02 ( stat) ± 0.06 ( syst) , B ( B 0 s → D + D − s ) / B ( ¯ B 0 → D + D − s ) = 0.038 ± 0.004 ( stat) ± 0.003 ( syst) , B ( ¯ B 0 → Λ + c Λ − c ) / B ( ¯ B 0 → D + D − s ) < 0.0022 [ 95 % C . L . ] , B ( B 0 s → Λ + c Λ − c ) / B ( B 0 s → D + D − s ) < 0.30 [ 95 % C . L . ] . Measurement of the mass of the Λ 0 b baryon relative to the ¯ B 0 meson gives M ( Λ 0 b ) − M ( ¯ B 0 ) = 339.72 ± 0.24 ( stat ) ± 0.18 ( syst) MeV / c 2 . This result provides the most precise measurement of the mass of the Λ 0 b baryon to date. | - |
dc.format.extent | 9 p. | - |
dc.format.mimetype | application/pdf | - |
dc.language.iso | eng | - |
dc.publisher | American Physical Society | - |
dc.relation.isformatof | Reproducció del document publicat a: https://doi.org/10.1103/PhysRevLett.112.202001 | - |
dc.relation.ispartof | Physical Review Letters, 2014, vol. 112, num. 20, p. 202001 | - |
dc.relation.uri | https://doi.org/10.1103/PhysRevLett.112.202001 | - |
dc.rights | cc by (c) CERN; LHCb Collaboration, 2014 | - |
dc.rights.uri | http://creativecommons.org/licenses/by/3.0/es/ | - |
dc.source | Articles publicats en revistes (Física Quàntica i Astrofísica) | - |
dc.subject.classification | Física de partícules | - |
dc.subject.classification | Experiments | - |
dc.subject.other | Particle physics | - |
dc.subject.other | Experiments | - |
dc.title | Study of Beauty Hadron Decays into Pairs of Charm Hadrons | - |
dc.type | info:eu-repo/semantics/article | - |
dc.type | info:eu-repo/semantics/publishedVersion | - |
dc.identifier.idgrec | 645764 | - |
dc.date.updated | 2019-05-13T11:54:19Z | - |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | - |
Appears in Collections: | Articles publicats en revistes (Física Quàntica i Astrofísica) Articles publicats en revistes (Institut de Ciències del Cosmos (ICCUB)) |
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645764.pdf | 410.85 kB | Adobe PDF | View/Open |
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