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Study of χb meson production in pp collisions at s√=7 and 8TeV and observation of the decay χb(3P)→Υ(3S)γ
| dc.contributor | Universitat Ramon Llull. La Salle | |
| dc.contributor | CERN | |
| dc.contributor.author | Badalov, Alexey | |
| dc.contributor.author | Calvo Gómez, Míriam | |
| dc.contributor.author | Vilasís Cardona, Xavier | |
| dc.contributor.author | LHCb Collaboration - CERN | |
| dc.date.accessioned | 2021-01-12T12:36:06Z | |
| dc.date.accessioned | 2023-10-02T06:51:22Z | |
| dc.date.available | 2021-01-12T12:36:06Z | |
| dc.date.available | 2023-10-02T06:51:22Z | |
| dc.date.created | 2014 | |
| dc.date.issued | 2014-10-08 | |
| dc.identifier.uri | http://hdl.handle.net/20.500.14342/3515 | |
| dc.description.abstract | A study of χb meson production at LHCb is performed on proton–proton collision data, corresponding to 3.0 fb−1of integrated luminosity collected at centre-of-mass energies s√ = 7 and 8 TeV. The fraction of Υ(nS) mesons originating from χb decays is measured as a function of the Υ transverse momentum in the rapidity range 2.0<yΥ<4.5. The radiative transition of the χb(3P) meson to Υ(3S) is observed for the first time. The χb1(3P) mass is determined to be: mχb1(3P)=10511.3±1.7±2.5MeV/c2, where the first uncertainty is statistical and the second is systematic. | eng |
| dc.format.extent | 13 p. | ca |
| dc.language.iso | eng | ca |
| dc.publisher | Springer | ca |
| dc.relation.ispartof | The European Physical Journal C, 2014, Vol. 74, no. 10 (Octubre) | ca |
| dc.rights | Attribution 4.0 International | |
| dc.rights | ©CERN | |
| dc.rights.uri | http://creativecommons.org/licenses/by/4.0/ | |
| dc.source | RECERCAT (Dipòsit de la Recerca de Catalunya) | |
| dc.subject.other | Gran col·lisionador d'hadrons (França i Suïssa) | ca |
| dc.subject.other | Partícules (Física nuclear) | ca |
| dc.subject.other | Col·lisions (Física nuclear) | ca |
| dc.subject.other | Protons | ca |
| dc.subject.other | Mesons | ca |
| dc.title | Study of χb meson production in pp collisions at s√=7 and 8TeV and observation of the decay χb(3P)→Υ(3S)γ | ca |
| dc.type | info:eu-repo/semantics/article | ca |
| dc.type | info:eu-repo/semantics/publishedVersion | ca |
| dc.rights.accessLevel | info:eu-repo/semantics/openAccess | |
| dc.embargo.terms | cap | ca |
| dc.subject.udc | 539 | |
| dc.identifier.doi | https://doi.org/10.1140/epjc/s10052-014-3092-z | ca |
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