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N⁎ decays to Nω from new data on γp→ωp
oleh: I. Denisenko, A.V. Anisovich, V. Crede, H. Eberhardt, E. Klempt, V.A. Nikonov, A.V. Sarantsev, H. Schmieden, U. Thoma, A. Wilson
| Format: | Article |
|---|---|
| Diterbitkan: | Elsevier 2016-04-01 |
Deskripsi
Data on the reaction γp→ωp with ω→π0γ, 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 Σ, 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 ω photoproduction are used to determine twelve N⁎→Nω branching ratios; most of these are determined for the first time.