Journal
PHYSICAL REVIEW D
Volume 82, Issue 5, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.82.054025
Keywords
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Funding
- DFG [FA67/31-2, GRK683]
- European Community [227431]
- Scientific Schools [3400.2010.2]
- Russian Science and Innovations Federal Agency [02.740.11.0238]
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We study the Z(4430)(+/-) meson within a heavy hadron molecule interpretation where the Z is considered as a bound state of a vector D*(2010) and an axial-vector D-1(2420). We give predictions for the strong hidden-charm Z(4430)(+/-) -> pi(+/-) psi and pi(+/-) psi' decay widths and also study the radiative Z(+/-)(J(P) = 1(-)) -> pi(+/-) gamma decay properties in a phenomenological Lagrangian approach. Our findings are qualitatively in line with the experimental observation that the pi(+/-) psi' transition dominates over the pi(+/-) psi decay mode despite a smaller phase space. The width for the radiative mode pi(+/-) gamma is sizable, allowing possible detection in future experiments.
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