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Form factors in $B \to f_0(980)$ and $D \to f_0(980)$ transitions from dispersion relations

Abstract : Within the dispersion relation approach we give the double spectral representation for space-like and time-like B-> f_0(980) and D-> f_0(980) transition form factors in the full q^2 range. The spectral densities, being the input of the dispersion relations, are obtained from a triangle diagram in the relativistic quark model.
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http://hal.in2p3.fr/in2p3-00128943
Contributor : Dominique Girod <>
Submitted on : Monday, February 5, 2007 - 10:21:38 AM
Last modification on : Thursday, December 10, 2020 - 10:50:40 AM

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B. El-Bennich, O.M.A. Leitner, B. Loiseau, J.-P. Dedonder. Form factors in $B \to f_0(980)$ and $D \to f_0(980)$ transitions from dispersion relations. 9th International Workshop on Meson Production, Properties and Interaction (MESON 2006), Jun 2006, Krakow, Poland. pp.641-644, ⟨10.1142/S0217751X07036026⟩. ⟨in2p3-00128943⟩

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