Göttingen 1997 – wissenschaftliches Programm
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HK: Hadronen und Kerne
HK 59: Postersitzung
HK 59.14: Poster
Donnerstag, 27. März 1997, 14:00–16:30, P
Coherent low-energy eta photoproduction on light nuclei — •Alexander Fix — Institut f"ur Kernphysik, Johannes Gutenberg-Universit"at Mainz, D-55099 Mainz
Coherent η-photoproduction on 4He,12C and 16O is studied in the distorted wave impulse approximation. The η-photoproduction operator includes contributions of nucleon resonances as well as the t-channel vector meson exchanges and nucleon pole terms. The coherent A(γ,η)A reaction is dominated by the D13(1520) resonance and allows to differentiate between different sets of D13(1520) parameters.