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High Energy Physics - Phenomenology

arXiv:hep-ph/0507336 (hep-ph)
[Submitted on 29 Jul 2005]

Title:Electromagnetic structure and weak decay of pseudoscalar mesons in a light-front QCD-inspired model

Authors:L. A. M. Salcedo, (Present address at Instituto de Fisica, Universidade Federal do Rio Grande do Sul, Campus do Vale, Porto Alegre, RS., Brasil), J.P.B.C. de Melo (CETEC, Universidade Cruzeiro do Sul, Sao Paulo, Brazil and Instituto de Fisica Teorica, IFT, UNESP, Sao Paulo Brasil), D. Hadjmichef (Instituto de Fisica e Matematica, Universidade Federal de Pelotas, Campus Universitario Pelotas, RS., Brazil), T. Frederico (Dep.de Fisica Instituto Tecnologico de Aeronautica, Cento Tecnico Aeroespacial, Sao Jose dos Campos, Sao Paulo, Brazil)
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Abstract: We study the scaling of the $^3S_1-^1S_0$ meson mass splitting and the pseudoscalar weak decay constants with the mass of the meson, as seen in the available experimental data. We use an effective light-front QCD-inspired dynamical model regulated at short-distances to describe the valence component of the pseudoscalar mesons. The experimentally known values of the mass splittings, decay constants (from global lattice-QCD averages) and the pion charge form factor up to 4 [GeV/c]$^2$ are reasonably described by the model
Comments: 27 Pages, 7 eps figures,use revtex4
Subjects: High Energy Physics - Phenomenology (hep-ph); High Energy Physics - Experiment (hep-ex); Nuclear Experiment (nucl-ex); Nuclear Theory (nucl-th)
Cite as: arXiv:hep-ph/0507336
  (or arXiv:hep-ph/0507336v1 for this version)
  https://doi.org/10.48550/arXiv.hep-ph/0507336
Journal reference: Eur.Phys.J. A27 (2006) 213-223
Related DOI: https://doi.org/10.1140/epja/i2005-10246-4

Submission history

From: Joao Pacheco B. C. de Melo Dr. [view email]
[v1] Fri, 29 Jul 2005 18:27:38 UTC (94 KB)
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