Distribution Amplitudes of Vector Mesons
V.M. Braun, D. Br\"ommel, M. G\"ockeler, R. Horsley, Y. Nakamura, H., Perlt, D. Pleiter, P.E.L. Rakow, A. Sch\"afer, G. Schierholz, A. Schiller, W., Schroers, T. Streuer, H. St\"uben, J.M. Zanotti
TL;DR
This paper reports on the calculation of the lowest moments of the distribution amplitudes for K-star vector mesons, considering both longitudinal and transverse polarizations, using improved Wilson fermions and non-perturbative renormalization.
Contribution
It provides new lattice QCD results for the distribution amplitudes of vector mesons, specifically the K-star, with improved computational techniques.
Findings
Lowest moments of K-star distribution amplitudes obtained
Both longitudinal and transverse moments analyzed
Results incorporate non-perturbative renormalization methods
Abstract
Results are presented for the lowest moment of the distribution amplitude for the K-star vector meson. Both longitudinal and transverse moments are investigated. We use two flavours of O(a) improved Wilson fermions, together with a non-perturbative renormalisation of the matrix element.
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Taxonomy
TopicsQuantum Chromodynamics and Particle Interactions · Particle physics theoretical and experimental studies · Scientific Research and Discoveries