Bibliographic Details
| Title: |
Evolution of collectivity in 126,128Xe studied in Coulomb excitation measurements. |
| Authors: |
Kisyov, Stanimir, Wu, Ching-Yen, Henderson, Jack, Gade, Alexandra, Kaneko, Kazunari, Sun, Yang, Shimizu, Noritaka, Mizusaki, Takahiro, Rhodes, Daniel, Biswas, Sayani, Chester, Aaron, Devlin, Matthew, Farris, Peter, Hill, Ava M., Li, Jing, Rubino, Elizabeth, Weisshaar, Dirk |
| Source: |
EPJ Web of Conferences; 5/26/2023, Vol. 284, p1-4, 4p |
| Subject Terms: |
COULOMB excitation, NUCLEAR energy, PREDICTION models, NUCLEAR structure, NUCLEAR excitation |
| Abstract: |
The characteristics of 126,128Xe were investigated in Coulomb excitation measurements performed at the National Superconducting Cyclotron Laboratory (NSCL) Re-accelerator facility, ReA3, Michigan State University (MSU). The Xe nuclei were accelerated to sub-barrier energies and were impinged on 196Pt and 208Pb targets in separate experimental runs. The scattered nuclei and the de-excitation γ-rays were detected using the JANUS setup. Electromagnetic matrix elements were extracted from the experimental data with the help of the GOSIA/GOSIA2 codes. The results were compared to schematic Davydov-Filippov γ-rigid rotor theoretical calculations and large-scale calculations within a newly-established microscopic shell model (called PMMU model). The experimental results agree well with the theoretical predictions, except for the quadrupole moments of the second 2+ states in both nuclei, therefore challenging the interpretation of the γ-bands structure. [ABSTRACT FROM AUTHOR] |
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| Database: |
Complementary Index |
