Deformation studies in the extremely neutron-deficient praseodymium, neodymium and promethium isotopes
- Georgia Inst. of Tech., Atlanta, GA (United States)
- Tennessee Technological Univ., Cookeville, TN (United States). Dept. of Physics
- Vanderbilt Univ., Nashville, TN (United States). Dept. of Physics
Several experiments were performed at the UNISOR isotope separator facility at HHIRF at the Oak Ridge National Laboratory on the {beta}{sup +}/EC decay of neutron-deficient rare earth isotopes. Data for the three decay chains {sup 137}Eu {yields} {sup 137}Sm {yields} {sup 137}Pm {yields} {sup 137}Nd, {sup 135}Sm {yields} {sup 135}Pm {yields} {sup 135}Nd and {sup 133}Sm {yields} {sup 133}Pm {yields} {sup 133}Nd were obtained consisting of multiscaled spectra of {gamma} rays, x rays, and conversion electrons, as well as {gamma}{gamma}t, X{gamma}t, e{gamma}t and eXt coincidences. Gamma rays associated with the decay of {sup 133}Sm and {sup 133}Pm were observed for the first time. The decay of a new low-spin (1/2,3/2) isomeric state, with a half life around 70 sec was seen in {sup 133}Nd. Systematics and particle-rotor calculations are discussed.
- Research Organization:
- Oak Ridge National Lab., TN (United States); Georgia Inst. of Tech., Atlanta, GA (United States); UNISOR, Oak Ridge, TN (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- FG05-87ER40330; AC05-76OR00033; AC05-84OR21400
- OSTI ID:
- 10162955
- Report Number(s):
- CONF-920721-16; ON: DE93015337
- Resource Relation:
- Conference: 6. international conference on nuclei far from stability and 9th international conference on atomic masses and fundamental constants,Bernkastel-Kues (Germany),19-24 Jul 1992; Other Information: PBD: [1992]
- Country of Publication:
- United States
- Language:
- English
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