arXiv · 1601.06092
$N^{\bf *}$ decays to $N\omega$ from new data on $\gamma p\to \omega p$
Abstract
Data on the reaction $\gamma p\to \omega p$ with $\omega\to\pi^0\gamma$, taken with unpolarized or polarized beams in combination with an unpolarized or polarized proton-target, were analyzed within the Bonn-Gatchina (BnGa) partial wave analysis. Differential cross sections, several spin density matrix elements, the beam asymmetry $\Sigma$, the normalized helicity difference $E$, and the correlation $G$ between linear photon and longitudinal target polarization were included in a large data base on pion and photo-induced reactions. The data on $\omega$ photoproduction are used to determine twelve $N^*\to N\omega$ branching ratios; most of these are determined for the first time.
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I. Denisenko, A. V. Anisovich, V. Crede, H. Eberhardt, E. Klempt, V. A. Nikonov, A. V. Sarantsev, H. Schmieden, U. Thoma, A. Wilson. 2016-01-22. $N^{\bf *}$ decays to $N\omega$ from new data on $\gamma p\to \omega p$. https://doi.org/10.1016/j.physletb.2016.01.061
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