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DC Field | Value | Language |
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dc.contributor.author | Alfonso Albero, Alejandro | - |
dc.contributor.author | Calvo Gómez, Míriam | - |
dc.contributor.author | Camboni, Alessandro | - |
dc.contributor.author | Coquereau, Samuel | - |
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 | LHCb Collaboration | - |
dc.date.accessioned | 2022-05-04T16:47:23Z | - |
dc.date.available | 2022-05-04T16:47:23Z | - |
dc.date.issued | 2018 | - |
dc.identifier.issn | 1434-6044 | - |
dc.identifier.uri | http://hdl.handle.net/2445/185387 | - |
dc.description.abstract | Amplitude models are constructed to describe the resonance structure of D0 → K −π+π+π− and D0 → K +π−π−π+ decays using pp collision data collected at centre-of-mass energies of 7 and 8 TeV with the LHCb experiment, corresponding to an integrated luminosity of 3.0 f b−1. The largest contributions to both decay amplitudes are found to come from axial resonances, with decay modes D0 → a1(1260)+K − and D0 → K1(1270/1400)+π− being prominent in D0 → K −π+π+π− and D0 → K +π−π−π+, respectively. Precise measurements of the lineshape parameters and couplings of the a1(1260)+, K1(1270)− and K(1460)− resonances are made, and a quasi model-independent study of the K(1460)− resonance is performed. The coherence factor of the decays is calculated from the amplitude models to be RK3π = 0.459 ± 0.010 (stat) ± 0.012 (syst)±0.020 (model), which is consistent with direct measurements. These models will be useful in future measurements of the unitary-triangle angle γ and studies of charm mixing and CP violation. | - |
dc.format.extent | 32 p. | - |
dc.format.mimetype | application/pdf | - |
dc.language.iso | eng | - |
dc.publisher | Società Italiana di Fisica & Springer Verlag | - |
dc.relation.isformatof | Reproducció del document publicat a: https://doi.org/10.1140/epjc/s10052-018-5758-4 | - |
dc.relation.ispartof | European Physical Journal C, 2018, vol. 78, num. 6, p. 1-32 | - |
dc.relation.uri | https://doi.org/10.1140/epjc/s10052-018-5758-4 | - |
dc.rights | cc-by (c) LHCb Collaboration (UB: Alfonso Albero, A. et al., 2018 | - |
dc.rights.uri | https://creativecommons.org/licenses/by/4.0/ | - |
dc.source | Articles publicats en revistes (Física Quàntica i Astrofísica) | - |
dc.subject.classification | Hadrons | - |
dc.subject.classification | Gran Col·lisionador d'Hadrons | - |
dc.subject.classification | Física de partícules | - |
dc.subject.classification | Experiments | - |
dc.subject.other | Hadrons | - |
dc.subject.other | Large Hadron Collider (France and Switzerland) | - |
dc.subject.other | Particle physics | - |
dc.subject.other | Experiments | - |
dc.title | Studies of the resonance structure in D0→ K∓π±π±π∓ decays | - |
dc.type | info:eu-repo/semantics/article | - |
dc.type | info:eu-repo/semantics/publishedVersion | - |
dc.identifier.idgrec | 684675 | - |
dc.date.updated | 2022-05-04T16:47:23Z | - |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | - |
Appears in Collections: | Articles publicats en revistes (Física Quàntica i Astrofísica) |
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684675.pdf | 1.8 MB | Adobe PDF | View/Open |
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