Inclusive ρ0(770) meson production invp and\(\bar vp\) charged current interactions
1991
Using data obtained with the bubble chamber BEBC at CERN, the inclusive ρ0 (770) meson production in νp and\(\bar vp\) charged current reactions is studied. The average ρ0 multiplicity is measured as a function of the event variablesE ν ,W2,Q2,x Bj , and the charged multiplicity. The differentialx F ,y*,z andp T 2 distributions of the ρ0 are presented as well as the averagep T 2 as a function ofW2 andx F . The ρ0/π0 ratio and the fractions of the π± originating from ρ0 decays are given as functions ofx F . The results are compared to the predictions of fragmentation models. A particular version of the Lund model predicts ρ0 multiplicities which are generally too high, although it qualitatively reproduces many aspects of the data. The ρ0 multiplicities predicted by a semi-empirical model (Wells model) are in quantitative agreement with the measurements.
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