Study of ${\eta }^{\prime }\to \eta {\pi }^{+}{\pi }^{-}$ Dalitz plot

V. Dorofeev, R. Dzheliadin, A. Ekimov +23

Dalitz plot of the ${\eta }^{\prime }\to \eta {\pi }^{+}{\pi }^{-}$ decay is studied using the data collected with the VES spectrometer in two different exclusive reactions. The coefficients for the matrix elemen…