Abstract
The optical potential approach for low-energy scattering of η mesons on three-body nuclei is compared to an exact treatment of the η 3N system using four-body scattering theory with eparable interactions in s waves only. The higher-order terms including the interaction of the struck nucleon with the surrounding nuclear medium and virtual target excitations in between successive η scatterings are found to cause important corrections. Effects of final state interaction in η photoproduction on 3H and 3He are also studied and sizable contributions beyond the optical model approach are found.
| Original language | English |
|---|---|
| Pages (from-to) | 440021-4400213 |
| Number of pages | 3960193 |
| Journal | Physical Review C - Nuclear Physics |
| Volume | 68 |
| Issue number | 4 |
| Publication status | Published - Oct 2003 |
ASJC Scopus subject areas
- Physics and Astronomy(all)
- Nuclear and High Energy Physics
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Fix, A., & Arenhövel, H. (2003). Low-energy scattering and photoproduction of η mesons on three-body nuclei. Physical Review C - Nuclear Physics, 68(4), 440021-4400213.