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Probing the structure of f0(980) through radiative /phi decays.

De Fazio, F. and Pennington, M. R. (2001) 'Probing the structure of f0(980) through radiative /phi decays.', Physics letters B., 521 (1-2). pp. 15-21.


We consider the radiative transition φ→f0γ, which is a sensitive probe of the nature of the f0(980) particle. Using the QCD sum-rule technique, we estimate the branching ratio of such decay mode to be: , in fair agreement with present experimental data. As for the structure of the f0, the result suggests a sizeable component; however, this result does not exclude the possibility of further components and allows a more complex structure than indicated by the naive quark model.

Item Type:Article
Keywords:Multi-quark hadrons, Scalar mesons, Resonance physics, Chiral-symmetry, States, model, QCD, Amplitudes, Molecules, Factories.
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Record Created:06 May 2008
Last Modified:09 Aug 2011 11:55

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