New analysis of $\eta \pi$ tensor resonances measured at the COMPASS experiment

A. Jackura, C. Fernandez-Ramirez, M. Mikhasenko +232

We present a new amplitude analysis of the $\eta \pi$ $D$-wave in ${\pi }^{-}p\to \eta {\pi }^{-}p$ measured by COMPASS. Employing an analytical model based on the principles of the relativistic $S$-mat…