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Pion-Nucleus Scattering and the Interacting Boson Model |
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| Authors: | Yu-Shun ZHANG Yu-Xin LIU |
| Institution: | 1. CCAST (World Laboratory), P. O. Box 8730, Beijing 100080, China; 2. Institute of High Energy Physics, Academia Sinica, Beijing 100039, China; 3. Department of Physics, Tsinghua University, Beijing 100084, China |
| Abstract: | A procedure of combining the medium energy scattering theory in the Eikonal approximation with the interacting boson model is proposed to study the pion-nucleus scattering. The channel coupling effects in the excitation of nuclear collective state with ρ- and ρ+ elastic and inelastic scattering are analyzed. The calculated cross sections for the excitation of 21+ state of 218Sn agree with experimental data quite well. |
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