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Y(3940), Z(3930), and the X(4160) as dynamically generated resonances from the vector-vector interaction

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Y(3940), Z(3930), and the X(4160) as dynamically generated resonances from the vector-vector interaction

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dc.contributor.author Molina Peralta, Raquel
dc.contributor.author Oset Báguena, Eulogio
dc.date.accessioned 2015-09-07T10:42:45Z
dc.date.available 2015-09-07T10:42:45Z
dc.date.issued 2009
dc.identifier.citation Molina Peralta, Raquel Oset Báguena, Eulogio 2009 Y(3940), Z(3930), and the X(4160) as dynamically generated resonances from the vector-vector interaction Physical Review D 80 11 114013
dc.identifier.uri http://hdl.handle.net/10550/46877
dc.description.abstract We study the vector-vector interaction within the framework of the hidden gauge formalism for the channels with quantum numbers Charm C=0 and Strangeness S=0 in the energy region around 4000 MeV. By looking for poles in the complex plane we find three resonances that could be identified by the mass, width and quantum numbers with the Y(3940), Z(3940) and X(4160), these poles appear with isospin I=0 and J^{PC}=0^{++}, 2^{++} and 2^{++} respectively. Whereas the Y(3940) and Z(3940) are coupled more strongly to D^*\bar{D}^*, the X(4160) is basically a D^*_s \bar{D}^*_s molecular state. Another two extra resonances appear in our approach with I=0, 1 and J^{PC}=1^{+-}, 2^{++} which are not found in the PDG with masses M=3945, 3912 MeV and widths \Gamma=0, 120 MeV respectively.
dc.language.iso eng
dc.relation.ispartof Physical Review D, 2009, vol. 80, num. 11, p. 114013
dc.subject Física
dc.title Y(3940), Z(3930), and the X(4160) as dynamically generated resonances from the vector-vector interaction
dc.type journal article es_ES
dc.date.updated 2015-09-07T10:42:45Z
dc.identifier.doi 10.1103/PhysRevD.80.114013
dc.identifier.idgrec 056187
dc.rights.accessRights open access es_ES

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