Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1993-04-29
Phys.Rev.D49:125-137,1994
Physics
High Energy Physics
High Energy Physics - Phenomenology
23 Pages, 4 figures in PostScript format, PHY-7512-TH-93, REVTEX Available via anonymous ftp in /pub: login anonymou get pipi9
Scientific paper
10.1103/PhysRevD.49.125
A model field theory, in which the interaction between quarks is mediated by dressed vector boson exchange, is used to analyse the pionic sector of QCD. It is shown that this model, which incorporates dynamical chiral symmetry breaking, asymptotic freedom and quark confinement, allows one to calculate $f_\pi$, $m_\pi$, $r_\pi$ and the partial wave amplitudes in $\pi$-$\pi$ scattering and obtain good agreement with the experimental data, with the latter being well described up to energies \mbox{$E\simeq 700$ MeV}.
Cahill Reginald T.
Iannella Nicolangelo
Roberts Craig D.
Sevior Martin E.
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