<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>D</mml:mi><mml:mo>*</mml:mo></mml:msup></mml:math> and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msubsup><mml:mi>D</mml:mi><mml:mi>s</mml:mi><mml:mo>*</mml:mo></mml:msubsup></mml:math> distribution amplitudes from Bethe-Salpeter wave functions

Abstract

We report on the first calculation of the longitudinal and transverse light front distribution amplitudes of the ${D}^{*}$ and ${D}_{s}^{*}$ mesons and their first four moments. As a by-product, we also obtain these distribution amplitudes for the $\ensuremath{\rho}$, $\ensuremath{\phi}$, ${K}^{*}$, and $J/\mathrm{\ensuremath{\Psi}}$ 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.

Topics & Concepts