The X(3872) and other possible $XYZ$ molecular states

D. R. Entem; F. Fern\'andez; J. Segovia; P. G. Ortega

The X(3872) and other possible $XYZ$ molecular states

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arxiv 1001.3948 v1 pith:L5KGFNGJ submitted 2010-01-22 hep-ph

P. G. Ortega , J. Segovia , D. R. Entem , F. Fernández This is my paper · ORCID

classification hep-ph

keywords molecularmodelquarkstatesinteractionotherpossibleagreement

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abstract

We perform a coupled channel calculation of the $DD^*$ and $c\bar c$ sectors in the framework of a constituent quark model. The interaction for the $DD^*$ states is obtained using the Resonant Group Method (RGM) and the underlying quark interaction model. The coupling with the two quark system is performed using the $^3 P_0$ model. The X(3872) is found as a molecular state with a sizable $c\bar c$ component. A comparison with Belle and BaBar data has been done, finding a good agreement. Other possible molecular molecular states are discussed.

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