arXiv:1204.1455·v2·High Energy Physics — Phenomenology

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

Abstract

The process $e^{+} e^{-} \to π^{+} π^{-}$ is described in the framework of the extended NJL model. Intermediate vector mesons $ρ^{0} (770)$ , $ω (782)$ and \rho'(1450) $a r e t ak e nin t o a cco u n t . O u r r es u l t s a r e in s a t i s f a c t or y a g r ee m e n tw i t h e x p er im e n t a l d a t a . T h e p r e d i c t i o n f or t h e p r ocess$ e^{+}e^{-} \to \pi\pi'(1300) $i s g i v e n . H er e t h e main co n t r ib u t i o ni s g i v e nb y t h e d ia g r am w i t hin t er m e d ia t e$ \rho'(1450)$ meson.

Comments: 7 pages, 5 figures

The processes e+e−→ππ(π′) in the extended NJL model

Abstract

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

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