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Photoproduction of η mesons off neutrons from a deuteron target
classification
✦ hep-ph
keywords
photoproductionmesonsamplitudesanalysisappliedcrossdatadetermined
read the original abstract
A formalism is developed for the partial wave analysis of data on meson photoproduction off deuterons and applied to photoproduction of $\eta$ and $\pi^0$ mesons. Different interpretations of a dip-bump structure of the $\eta$ photoproduction cross section in the 1670 MeV region are presented and discussed. Helicity amplitudes for two low-mass $S_{11}$ states are determined.
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