Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1995-06-30
Phys.Rev. D54 (1996) 3394-3413
Physics
High Energy Physics
High Energy Physics - Phenomenology
43 pages (LaTeX), 5 PostScript figures are included as uuencoded-compressed-tar file at the end
Scientific paper
10.1103/PhysRevD.54.3394
Starting from a chiral invariant and quark line rule conserving Lagrangian of pseudoscalar and vector nonets we introduce first and second order symmetry breaking as well as quark line rule violating terms and fit the parameters, at tree level, to many strong and electroweak processes. A number of predictions are made. The electroweak interactions are included in a manifestly gauge invariant manner. The resulting symmetry breaking pattern is discussed in detail. Specifically, for the ``strong'' interactions, we study all the vector meson masses and V -> \phi \phi decays, including isotopic spin violations. In the electroweak sector we study the { rho^0 , omega , phi } -> e^+e^- decays, { pi^+ , K^+ , K^0 } ``charge radii'', K_{l3} ``slope factor'' and the overall e^+e^- -> pi^+ pi^- process. It is hoped that the resulting model may be useful as a reasonable description of low energy physics in the range up to about 1 GeV.
Harada Masayasu
Schechter Joseph
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