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dc.contributor.authorWang, G.Y.-
dc.contributor.authorRoca, L.-
dc.contributor.authorOset, Eulogi-
dc.date.accessioned2020-04-16T17:34:51Z-
dc.date.available2020-04-16T17:34:51Z-
dc.date.issued2019-10-
dc.identifierdoi: 10.1103/PhysRevD.100.074018-
dc.identifierissn: 2470-0029-
dc.identifier.citationPhysical Review D 100 7: 074018 (2019)-
dc.identifier.urihttp://hdl.handle.net/10261/207938-
dc.description.abstractWithin the chiral unitary approach, the axial-vector resonance K1(1270) has been predicted to manifest a two-pole nature. The lowest pole has a mass of 1195 MeV and a width of 246 MeV and couples mostly to K∗π, and the highest pole has a mass of 1284 MeV and a width of 146 MeV and couples mostly to ρK. We analyze theoretically how this double-pole structure can show up in D0→π+VP decays by looking at the vector-pseudoscalar (VP) invariant mass distribution for different VP channels, exploiting the fact that each pole couples differently to different VP pairs. We find that the final K̄∗π and ρK̄ channels are sensible to the different poles of the K1(1270) resonance and hence are suitable reactions to analyze experimentally the double-pole nature of this resonance.-
dc.languageeng-
dc.relationMICIU/ICTI2017-2020/FIS2017-84038-C2-1-P-
dc.relationMICIU/ICTI2017-2020/FIS2017-84038-C2-2-P-
dc.relationMINECO/ICTI2013-2016/SEV-2014-0398-
dc.relation.isversionofPublisher's version-
dc.rightsopenAccess-
dc.titleDiscerning the two K1 (1270) poles in D0 →π+VP decay-
dc.typeartículo-
dc.identifier.doihttp://dx.doi.org/10.1103/PhysRevD.100.074018-
dc.relation.publisherversionhttp://dx.doi.org/10.1103/PhysRevD.100.074018-
dc.date.updated2020-04-16T17:34:52Z-
dc.rights.licensehttps://creativecommons.org/licenses/by/4.0/-
dc.contributor.funderMinisterio de Economía y Competitividad (España)-
dc.contributor.funderMinisterio de Ciencia, Innovación y Universidades (España)-
dc.relation.csic-
dc.identifier.funderhttp://dx.doi.org/10.13039/501100003329es_ES
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