Journal
PHYSICAL REVIEW D
Volume 80, Issue 1, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.80.014003
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Funding
- DGICYT [FIS2006-03438]
- European Community [227431]
- DFG [SFB/TR 16]
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In this paper we study the effects of isospin breaking in the dynamical generation of the X(3872) state. We also calculate the ratio of the branching fractions of the X decaying into J/Sigma with two and three pions, which has been measured experimentally to be close to unity. Together with the X(3872), of positive C parity, we predict the existence of a negative C-parity state, and we comment on which decay channel is more promising to observe this state. The simultaneous investigation of the X(3872) decay into J/Sigma pi pi and (DD*0)-D-0 show a preference for a slightly unbound, virtual state of DD* and DD*.
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