Band structure and shape coexistence in 56135Ba79
Abstract
Excited states of 56135Ba79 at high spins are studied using the reaction Te130(Be9,4n)56135Ba79 at 42.5-MeV beam energy. The earlier known level scheme is extended up to 6.4-MeV excitation energy and (37/2)ℏ spin with the addition of several transitions. We have performed polarization asymmetry measurements for some of the strong transitions by using a Clover detector to assign the parity. A comparison of experimental data with the results of tilted axis cranking calculations based on various configurations indicates the coexistence of multiple minima in the triaxial deformation (γ), whereas axial symmetric deformation (ɛ2) remains constant around 0.09.
- Publication:
-
Physical Review C
- Pub Date:
- June 2010
- DOI:
- 10.1103/PhysRevC.81.067304
- Bibcode:
- 2010PhRvC..81f7304K
- Keywords:
-
- 21.10.Hw;
- 21.60.Cs;
- 23.20.-g;
- 27.60.+j;
- Spin parity and isobaric spin;
- Shell model;
- Electromagnetic transitions;
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- =A<
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