D * and D s * distribution amplitudes from Bethe-Salpeter wave functions
Physical Review D(2022)
摘要
We report on the first calculation of the longitudinal and transverse light front distribution amplitudes of the D* and Ds* mesons and their first four moments. As a by-product, we also obtain these distribution amplitudes for the rho,phi, K*, and J/Psi mesons and confirm a prediction of lattice QCD for the vector kaon: while the longitudinal distribution amplitude is almost symmetric, the transverse one is oblique implying that the strange quark carries more momentum.
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关键词
distribution amplitudes,<mmlmath xmlnsmml=http//wwww3org/1998/math/mathml,wave,bethe-salpeter
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