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dc.contributor.authorVijande, Javieren_US
dc.contributor.authorWeissman, E.en_US
dc.contributor.authorBarnea, N.en_US
dc.contributor.authorValcarce, A.en_US
dc.date.accessioned2008-12-10T12:23:22Z-
dc.date.available2008-12-10T12:23:22Z-
dc.date.issued2007-11-19en_US
dc.identifier.citationPhysical Review D 76(9): 094022 (2007)en_US
dc.identifier.issn1550-7998en_US
dc.identifier.urihttp://hdl.handle.net/10261/9116-
dc.description17 pages, 2 figures.-- PACS nrs.: 12.39.Jh, 14.40.Lb, 21.45.+v, 31.15.Ja.-- ISI Article Identifier: 000251327200045.-- ArXiv pre-print available at: http://arxiv.org/abs/0708.3285en_US
dc.description.abstractThe four-quark system c[overline c]n[overline n] is studied in the framework of the constituent quark model. Using different types of quark-quark potentials, we solve the four-body Schrodinger equation by means of the hyperspherical harmonic formalism. Exploring the low laying J(PC) states for different isospin configurations no four-quark bound states have been found. Of particular interest is the possible four-quark structure of the X(3872). We rule out the possibility that this particle is a compact tetraquark system, unless additional correlations, either in the form of diquarks or at the level of the interacting potential, not considered in simple quark models do contribute.en_US
dc.description.sponsorshipThis work has been partially funded by Ministerio de Ciencia y Tecnología under Contract No. FPA2007-65748, and by Junta de Castilla y León under Contract No. SA016A07.-
dc.format.extent2373 bytes-
dc.format.mimetypetext/plain-
dc.language.isoengen_US
dc.publisherAmerican Physical Societyen_US
dc.rightsopenAccessen_US
dc.subjectMulti-quark hadronsen_US
dc.subjectQuantum Chromodynamics (QCD)en_US
dc.subject[PACS] Nonrelativistic quark modelen_US
dc.subject[PACS] Charmed mesonsen_US
dc.subject[PACS] Nuclear few-body systemsen_US
dc.subject[PACS] Hyperspherical methods (atoms and molecules)en_US
dc.titleDo c[overline c]n[overline n] bound states exist?en_US
dc.typeartículoen_US
dc.identifier.doi10.1103/PhysRevD.76.094022-
dc.description.peerreviewedPeer revieweden_US
dc.relation.publisherversionhttp://dx.doi.org/10.1103/PhysRevD.76.094022en_US
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