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Twist-2 distribution amplitudes of a₀(980) and a₀(1450)
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Twist-2 distribution amplitudes of a₀(980) and a₀(1450)
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We investigate the twist-2 distribution amplitudes of the scalar mesons $a_{0}(980)$ and $a_{0}(1450)$ in the two-quark picture. The moments of these scalar mesons are obtained up to the third order with QCD sum rules method. With these moments, the first two Gegenbauer coefficients are determined and utilized to analyze the twist-2 distribution amplitudes. Our numerical results indicate that the meson $a_{0}(980)$ favors a conventional two-quark ground state. The paper concludes with an examination of the form factors for the transitions $B/D\rightarrow a_{0}$.
Forward citations
Cited by 1 Pith paper
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Systematic analysis of $D_{(s)}$ meson semi-leptonic decays in the covariant light-front quark model
CLFQM calculations of D(s) to P/S/V/A form factors and branching ratios agree with data for most P and V channels but show notable discrepancies for several S and A channels.
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