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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.citation	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.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.subject	Física
dc.title	X(2175) as a resonant state of the phi K(K)overbar system
dc.type	journal article	es_ES
dc.date.updated	2015-09-07T11:48:33Z
dc.identifier.doi	10.1103/PhysRevD.78.074031
dc.identifier.idgrec	050046
dc.rights.accessRights	open access	es_ES