Four-pion production

Abstract

Starting from the low-energy structure derived from QCD, we extend the amplitudes for four-pion production in e+ e- annihilation and tau decays up to invariant four-pion masses of 1 GeV. Cross sections and branching ratios BR(rho^0 -> 4 pi) are compared with available data.

4 pages, 3 figures, contribution to Proc. of QCD'02, Montpellier, July 2002, misprints corrected

References in corpus (4)

• Big Bang Nucleosynthesis (in "The Review of Particle Properties" 2004)
• Measurement of the Positive Muon Anomalous Magnetic Moment to 0.7 ppm
• Four-pion production in e+ e- annihilation
• The one-loop functional of chiral SU(2)

Cited by in corpus (5)

• Electron-positron annihilation into four charged pions and the a_1-rho-pi Lagrangian
• Multi-Meson Model for the $D^{+}\to K^{+}{K}^{-}{K}^{+}$ decay amplitude
• Joint description of the e+e- annihilation into both four-pion channels
• Multibody decay analyses -- a new phenomenological model for meson-meson subamplitudes
• About The Polarized $\tau$ Lepton Radiative Decay