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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 | Gironella Gironell, Pere | - |
dc.contributor.author | Graciani Díaz, Ricardo | - |
dc.contributor.author | Graugés Pous, Eugeni | - |
dc.contributor.author | Vilasis-Cardona, Xavier | - |
dc.contributor.author | LHCb Collaboration | - |
dc.contributor.author | Marin Benito, Carla | - |
dc.date.accessioned | 2020-07-13T10:09:28Z | - |
dc.date.available | 2020-07-13T10:09:28Z | - |
dc.date.issued | 2019-07-08 | - |
dc.identifier.issn | 1126-6708 | - |
dc.identifier.uri | http://hdl.handle.net/2445/168478 | - |
dc.description.abstract | Using proton-proton collision data, corresponding to an integrated luminosity of 9 fb−1, collected with the LHCb detector between 2011 and 2018, a new narrow charmonium state, the X(3842) resonance, is observed in the decay modes X(3842)→D0D¯¯¯¯0 and X(3842) → D+D−. The mass and the natural width of this state are measured to be mX(3842)=3842.71±0.16±0.12 MeV/c2,ΓX(3842)=2.79±0.51±0.35 MeV, where the first uncertainty is statistical and the second is systematic. The observed mass and narrow natural width suggest the interpretation of the new state as the unobserved (spin-3 ψ3 13D3) charmonium state. In addition, prompt hadroproduction of the ψ(3770) and χ2(3930) states is observed for the first time, and the parameters of these states are measured to be mψ(3770)=3778.1±0.7±0.6 MeV/c2,mχ2(3930)=3921.9±0.6±0.2 MeV/c2,Γχ2(3930)=36.6±1.9±0.9 MeV, where the first uncertainty is statistical and the second is systematic. | - |
dc.format.extent | 22 p. | - |
dc.format.mimetype | application/pdf | - |
dc.language.iso | eng | - |
dc.publisher | Springer Verlag | - |
dc.relation.isformatof | Reproducció del document publicat a: https://doi.org/10.1007/JHEP07(2019)035 | - |
dc.relation.ispartof | Journal of High Energy Physics, 2019, p. 35 | - |
dc.relation.uri | https://doi.org/10.1007/JHEP07(2019)035 | - |
dc.rights | cc-by (c) Alfonso Albero, Alejandro et al., 2019 | - |
dc.rights.uri | http://creativecommons.org/licenses/by/3.0/es | - |
dc.source | Articles publicats en revistes (Física Quàntica i Astrofísica) | - |
dc.subject.classification | Hadrons | - |
dc.subject.classification | Quarks | - |
dc.subject.classification | Col·lisions (Astrofísica) | - |
dc.subject.other | Hadrons | - |
dc.subject.other | Quarks | - |
dc.subject.other | Collisions (Astrophysics) | - |
dc.title | Near-threshold DD spectroscopy and observation of a new charmonium state | - |
dc.type | info:eu-repo/semantics/article | - |
dc.type | info:eu-repo/semantics/publishedVersion | - |
dc.identifier.idgrec | 696338 | - |
dc.date.updated | 2020-07-13T10:09:29Z | - |
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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696338.pdf | 863.29 kB | Adobe PDF | View/Open |
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