The processes $e^{+}e^{-} \to ππ(π')$ in the extended NJL model

Details The processes $e^{+}e^{-} \to ππ(π')$ in the extended NJL model The processes $e^{+}e^{-} \to ππ(π')$ in the extended NJL model

2012-04-06

arxiv.org/abs/1204.1455v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages, 5 figures

Scientific paper

The process $e^{+}e^{-} \to \pi^{+}\pi^{-}$ is described in the framework of the extended NJL model. Intermediate vector mesons $\rho^0(770)$, $\omega(782)$ and \rho'(1450)$ are taken into account. Our results are in satisfactory agreement with experimental data. The prediction for the process $e^{+}e^{-} \to \pi\pi'(1300)$ is given. Here the main contribution is given by the diagram with intermediate $\rho'(1450)$ meson.

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