Twist-4 Distribution Amplitudes of the K$^*$ and $φ$ Mesons in QCD

Details Twist-4 Distribution Amplitudes of the K$^*$ and $φ$ Mesons in QCD Twist-4 Distribution Amplitudes of the K$^*$ and $φ$ Mesons in QCD

2007-07-09

arxiv.org/abs/0707.1201v1

JHEP 0708:090,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

41 pages, 15 figures

Scientific paper

10.1088/1126-6708/2007/08/090

We present a systematic study of twist-4 light-cone distribution amplitudes of the $K^*$ and $\phi$ meson in QCD. The structure of SU(3)-breaking corrections is studied in detail. Non-perturbative input parameters are estimated from QCD sum rules and a renormalon based model. As a by-product, we give a complete reanalysis of the parameters of the twist-4 $\rho$-meson distribution amplitudes.

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