Original scientific paper

The spectroscopy of the odd-A Ra isotopes in the octupole deformed region

Raymond K. Sheline ; Florida State University, Tallahassee, FL 32306
Prakash C. Sood ; Florida State University, Tallahassee, FL 32306

Abstract

Odd-A Ra spectroscopy is surveyed from 217Ra to 227Ra with a view toward understanding the effect of octupole deformation on the transition from spheric to quadrupole deformed Ra nuclei. 221Ra, 223Ra and 225Ra are found to be the best examples of normal octupole deformation although definite differences exist in their low lying, parity doublet bands - particularly the Coriolis coupling of their K = 3/2± and 1/2± bands. The spectroscopy of 217Ra and 219Ra represents a transition from shell model spectroscopy with octupole correlations into an octupole deformed system which can describe the apparent weak coupling. The spectroscopy of 227Ra on the other side of the octupole deformed nuclei suggests the coexistence of parity doublet bands expected of an octupole deformed system and octupole vibrational bands of the normal type without octupole deformation.

Keywords

Hrčak ID:

331785

URI

https://hrcak.srce.hr/331785

Publication date:

7.1.1991.

Article data in other languages: croatian

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