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

De Fazio, F.; Pennington, M.R.

Authors

F. De Fazio

M.R. Pennington



Abstract

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.

Citation

De Fazio, F., & Pennington, M. (2001). Probing the structure of f0(980) through radiative /phi decays. Physics Letters B, 521(1-2), 15-21. https://doi.org/10.1016/s0370-2693%2801%2901200-x

Journal Article Type Article
Publication Date 2001-11
Deposit Date May 6, 2008
Publicly Available Date Mar 28, 2024
Journal Physics Letters B
Print ISSN 0370-2693
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 521
Issue 1-2
Pages 15-21
DOI https://doi.org/10.1016/s0370-2693%2801%2901200-x
Keywords Multi-quark hadrons, Scalar mesons, Resonance physics, Chiral-symmetry, States, model, QCD, Amplitudes, Molecules, Factories.

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