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Coupling constant g (rho sigma gamma) as derived from QCD sum rules
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Date
2001-08-01
Author
Gokalp, A
Yılmaz, Osman
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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We employ QCD sum rules to calculate the coupling constant g(rho sigma gamma) by studying the three-point rho sigma gamma correlation function. Our result is consistent with the value of this coupling constant obtained using vector meson dominance of the electromagnetic current and the experimental rho (o) photoproduction data.
Subject Keywords
Resonance physics
,
Photoproduction
URI
https://hdl.handle.net/11511/62614
Journal
PHYSICAL REVIEW D
DOI
https://doi.org/10.1103/physrevd.64.034012
Collections
Department of Physics, Article
