Inverse moment of the $B$-meson quasi distribution amplitude

Abstract

We perform a study on the structure of inverse moment (IM) of quasi distributions, by taking $B$-meson quasi distribution amplitude (quasi-DA) as an example. Based on a one-loop calculation, we derive the renormalization group equation and velocity evolution equation for the first IM of quasi-DA. We find that, in the large velocity limit, the first IM of $B$-meson quasi-DA can be factorized into IM as well as logarithmic moments of light-cone distribution amplitude (LCDA), accompanied by short distance coefficients. Our results can be useful either in understanding the patterns of perturbative matching in Large Momentum Effective Theory or evaluating inverse moment of $B$-meson LCDA on the lattice.

7 pages, 1 figure. Discussions extended. References updated. Accepted for publication in Physical Review D

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Cited by in corpus (6)

• FLAG Review 2024
• Continuum limit of parton distribution functions from the pseudo-distribution approach on the lattice
• Generalized parton distributions from the pseudo-distribution approach on the lattice
• Light Cone Distribution Amplitude for the $\Lambda$ Baryon from Lattice QCD
• Power corrections to quasi-distribution amplitudes of a heavy meson
• Matching the B-meson quasidistribution amplitude in the RI/MOM scheme