A model is proposed for describing the production of π+π− pairs by real and virtual photons on protons in the energy region of nucleon-resonance excitation. The invariant-mass distributions of the π+π− and π+ p systems at the photon point are calculated. The results are compared with available experimental data.
Pion-pair production on a proton by photons in the energy region of nucleon-resonance excitation
RICCO, GIOVANNI;TAIUTI, MAURO GINO;
2000-01-01
Abstract
A model is proposed for describing the production of π+π− pairs by real and virtual photons on protons in the energy region of nucleon-resonance excitation. The invariant-mass distributions of the π+π− and π+ p systems at the photon point are calculated. The results are compared with available experimental data.
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