2006/11/30 by Z. G. Wang
Physics and Astronomy · #Constant (computer programming) #Coupling (piping) #Coupling constant #Geometry #Hadron #High-Energy Particle Collisions Research #Light cone #Meson #Particle physics #Particle physics theoretical and experimental studies #Physics #Pseudovector #QCD sum rules #Quantum Chromodynamics and Particle Interactions #Quantum chromodynamics #Quark #Quark model #Quarkonium #Scalar (mathematics) #Scalar meson #Vector meson #hep-ph
paper · pdf · doi:10.1088/0954-3899/34/4/011
published as J.Phys.G34:753-765,2007 · 17 pages, 7 figures, revised version. In the first version, I take the value $f_{D_{s1}}= (0.25\pm0.02)GeV$ in numerical calculation, in the revised version, I take a small value $f_{D_{s1}}=(0.225 \pm0.020)GeV$, the value of the strong coupling constant is also changed
arxiv created 2007/02/04 · openalex publication_date 2007/03/16 · openalex created_date 2021/02/01 · openalex updated_date 2026/08/06
In this paper, we take the point of view that the charmed axial-vector meson D s 1 (2460) is the conventional meson and calculate the strong coupling constant in the framework of the light-cone QCD sum rules approach. The numerical values of strong coupling constants and are very large, and support the hadronic dressing mechanism. Just like the scalar mesons f 0 (980) and a 0 (980), the scalar meson D s 0 (2317) and axial-vector meson D s 1 (2460) may have small kernels of the typical meson size; the strong couplings to the hadronic channels (or the virtual mesons loops) may result in smaller masses than the conventional mesons in the constituent quark models, and enrich the pure states with other components.