Extended optical model analyses of 11Be+ 197Au with dynamic polarization potentials
- Authors
- Heo K.; Cheoun M.-K.; Choi K.-S.; Kim K.S.; So W.Y.
- Issue Date
- Feb-2020
- Publisher
- Springer
- Citation
- European Physical Journal A, v.56, no.2
- Journal Title
- European Physical Journal A
- Volume
- 56
- Number
- 2
- URI
- http://scholarworks.bwise.kr/ssu/handle/2018.sw.ssu/35622
- DOI
- 10.1140/epja/s10050-020-00056-5
- ISSN
- 1434-6001
- Abstract
- We discuss angular distributions of elastic, inelastic, and break-up cross-sections for the 11Be + 197Au system, measured at energies below and around the Coulomb barrier. To this end, we employ Coulomb dipole excitations and a long-range nuclear (LRN) potential in order to account for long-range effects of the halo nuclear system and break-up effects of the weakly bound structure. We then analyze recent experimental data, comprising three channels, viz., elastic, inelastic, and break-up cross-sections, at Ec.m.=29.6MeV and Ec.m.=37.1MeV. From the parameter sets extracted using a χ2 analysis, we successfully reproduce the experimental angular distributions of the elastic, inelastic, and break-up cross-sections for the 11Be+ 197Au system simultaneously. Finally, we discuss the necessity of the LRN potential around the Coulomb barrier from a detailed analysis of the experimental data. © 2020, Società Italiana di Fisica (SIF) and Springer-Verlag GmbH Germany, part of Springer Nature.
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Collections - College of Natural Sciences > Department of Physics > 1. Journal Articles
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