X(2175) as a resonant state of the phi K(K)overbar system
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X(2175) as a resonant state of the phi K(K)overbar system

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X(2175) as a resonant state of the phi K(K)overbar system

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dc.contributor.author Martínez Torres, Alberto
dc.contributor.author Khemchandani, K. P.
dc.contributor.author Geng, Li Sheng
dc.contributor.author Napsuciale, Mauro
dc.contributor.author Oset Báguena, Eulogio
dc.date.accessioned 2015-09-07T11:48:32Z
dc.date.available 2015-09-07T11:48:32Z
dc.date.issued 2008
dc.identifier.uri http://hdl.handle.net/10550/46898
dc.description.abstract We perform a Faddeev calculation for the three mesons system, ϕKK¯, taking the interaction between two pseudoscalar mesons and between a vector and a pseudoscalar meson from the chiral unitary approach which generates dynamically the low lying scalar mesons in the first case and the low lying axial vector mesons in the second. We obtain a neat resonance peak around a total mass of 2150 MeV and an invariant mass for the KK¯ system around 970 MeV, very close to the f0(980) mass. The state appears in I=0 and qualifies as a ϕf0(980) resonance. No state is seen in I=1. This finding provides a natural explanation for the recent state found at BABAR and BES, the X(2175), which decays into ϕf0(980).
dc.language.iso eng
dc.relation.ispartof Physical Review D, 2008, vol. 78, num. 7, p. 074031
dc.rights.uri info:eu-repo/semantics/openAccess
dc.source Martínez Torres, Alberto Khemchandani, K. P. Geng, Li Sheng Napsuciale, Mauro Oset Báguena, Eulogio 2008 X(2175) as a resonant state of the phi K(K)overbar system Physical Review D 78 7 074031
dc.subject Física
dc.title X(2175) as a resonant state of the phi K(K)overbar system
dc.type info:eu-repo/semantics/article
dc.date.updated 2015-09-07T11:48:33Z
dc.identifier.doi http://dx.doi.org/10.1103/PhysRevD.78.074031
dc.identifier.idgrec 050046

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