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dc.contributor.authorGarcía Martín, L. M.-
dc.contributor.authorHenry, L.-
dc.contributor.authorJashal, B.-
dc.contributor.authorMartínez-Vidal, Fernando-
dc.contributor.authorOyanguren, Arantza-
dc.contributor.authorRemón Alepuz, Clara-
dc.contributor.authorRuiz Vidal, Joan-
dc.contributor.authorSánchez Mayordomo, Carlos-
dc.contributor.authorLHCb Collaboration-
dc.date.accessioned2019-11-14T08:14:38Z-
dc.date.available2019-11-14T08:14:38Z-
dc.date.issued2019-07-
dc.identifierdoi: 10.1007/JHEP07(2019)032-
dc.identifierissn: 1029-8479-
dc.identifier.citationJournal of High Energy Physics 2019: 32 (2019)-
dc.identifier.urihttp://hdl.handle.net/10261/194575-
dc.description.abstractThe B→ KK¯ and Bs0→K∗0K¯∗0 decays are studied using proton-proton collision data corresponding to an integrated luminosity of 3 fb. An untagged and timeintegrated amplitude analysis of B → (Kπ)(Kπ) decays in two-body invariant mass regions of 150 MeV/c around the K mass is performed. A stronger longitudinal polarisation fraction in the B→ KK¯ decay, f = 0.724 ± 0.051 (stat) ± 0.016 (syst), is observed as compared to f = 0.240 ± 0.031 (stat) ± 0.025 (syst) in the Bs0→K∗0K¯∗0 decay. The ratio of branching fractions of the two decays is measured and used to determine ℬ(B0→K∗0K¯∗0)=(8.0±0.9(stat)±0.4(syst))×10−7.[Figure not available: see fulltext.]-
dc.publisherInstitute of Physics Publishing-
dc.relationFPA2017-85140-C3-3-P/AEI/10.13039/501100011033-
dc.relationMICIU/ICTI2017-2020/FPA2017-85140-C3-3-P-
dc.relation.isversionofPublisher's version-
dc.rightsopenAccess-
dc.titleAmplitude analysis of the B(s)0→K∗0 K¯∗0 decays and measurement of the branching fraction of the B→ K∗ 0K¯ ∗ 0 decay-
dc.typeartículo-
dc.identifier.doihttp://dx.doi.org/10.1007/JHEP07(2019)032-
dc.date.updated2019-11-14T08:14:39Z-
dc.description.versionPeer Reviewed-
dc.language.rfc3066eng-
dc.rights.licensehttp://creativecommons.org/licenses/by/4.0/-
dc.contributor.funderMinisterio de Ciencia, Innovación y Universidades (España)-
dc.contributor.funderAgencia Estatal de Investigación (España)-
dc.relation.csic-
dc.identifier.funderhttp://dx.doi.org/10.13039/501100011033es_ES
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