Production of $π^0ρ^0$ pair in electron-positron annihilation in the Nambu-Jona-Lasinio model

Details Production of $π^0ρ^0$ pair in electron-positron annihilation in the Nambu-Jona-Lasinio model Production of $π^0ρ^0$ pair in electron-positron annihilation in the Nambu-Jona-Lasinio model

2011-11-09

arxiv.org/abs/1111.2124v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, 1 figure, 1 table

Scientific paper

The process $e^+e^- \to \pi^0\rho$ is described in the framework of the expanded NJL model in the energy region from 0.9 GeV to 1.5 GeV. The contribution of intermediate state with vector mesons $\omega(782), \,\,\phi(1020)$, and $\omega'(1420)$, where $\omega'$ is the first radial excitation of $\omega$ - meson was taken into account. Results obtained are in satisfactory agreement with experimental data.

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