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Decay of axial-vector mesons into VP and P gamma

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Decay of axial-vector mesons into VP and P gamma

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dc.contributor.author Roca Zamora, Luis
dc.contributor.author Palomar Burdeus, Juan Esteban
dc.contributor.author Oset Báguena, Eulogio
dc.date.accessioned 2015-09-08T09:14:16Z
dc.date.available 2015-09-08T09:14:16Z
dc.date.issued 2004
dc.identifier.citation Roca Zamora, Luis Palomar Burdeus, Juan Esteban Oset Báguena, Eulogio 2004 Decay of axial-vector mesons into VP and P gamma Physical Review D 70 9 094006-1 094006-9
dc.identifier.uri http://hdl.handle.net/10550/46947
dc.description.abstract We propose a phenomenological Lagrangian for the decay of the SU(3) nonets of the axial-vector mesons of $J^{PC}=1^{+-},1^{++}$ into a vector meson and a pseudoscalar constructed with tensor fields for the vector and axial-vector mesons. The formulation leads to a good reproduction of the different decay branching ratios and assuming vector meson dominance (VMD) it also leads to good results for the radiative decay of the $a_1$ into pion and photon, and in agreement with the structure proposed in the chiral tensor formulation of radiative decay of axial-vector mesons. The two SU(3) parameters and the mixing angle of $K_{1A}$ and $K_{1B}$ needed to give the physical $K_1(1270)$ and $K_1(1400)$ resonances are also determined.
dc.language.iso eng
dc.relation.ispartof Physical Review D, 2004, vol. 70, num. 9, p. 094006-1-094006-9
dc.subject Física
dc.title Decay of axial-vector mesons into VP and P gamma
dc.type journal article es_ES
dc.date.updated 2015-09-08T09:14:17Z
dc.identifier.doi 10.1103/PhysRevD.70.094006
dc.identifier.idgrec 017665
dc.rights.accessRights open access es_ES

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