Vector-to-Pseudoscalar and Meson-to-Baryon Ratios in Hadronic Z Decays at LEP
Abstract
Mass dependences of the total production rates per hadronic Z decay of all light-flavour hadrons measured so far at LEP are extrapolated to the zero mass limit (m=0) using phenomenological laws of hadron production related to the spin, isospin, strangeness content and mass of the particles. The vector-to-pseudoscalar and meson-to-baryon ratios at m=0 are found to be: rho+ / 3 pi+ = 1.2 +/- 0.3 and pi+ / p = 2.9 +/- 0.3, in good agreement with the predictions of quark combinatorics.
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