The structure of nuclei far from stability. Progress report, May 15, 1992--May 14, 1993

Technical Report · Sat May 01 04:00:00 EDT 1993

DOI:https://doi.org/10.2172/10147603· OSTI ID:10147603

Zganjar, E F

Studies on nuclei near Z=82 contributed to the establishment of a new region of nuclear deformation and a new class of nuclear structure at closed shells. A important aspect of this work is the establishment of the connection between low-lying 0{sup +} states in even{endash}even nuclei and the occurrence of shape coexistence in the odd-mass neighbors (E0 transitions in {sup 185}Pt, shape coexistence in {sup 184}Pt and {sup 187}Au). A new type of picosecond lifetime measurement system capable of measuring the lifetime of states that decay only by internal conversion was developed and applied to the {sup 186,188}Tl decay to determine the lifetime of the 0{sub 2}{sup +} and 2{sub 2}{sup +} deformed states in {sup 186,188}Hg. A search for the population of superdeformed states in {sup 192}Hg by the radioactive decay of {sup 192}Tl was accomplished by using a prototype internal pair formation spectrometer.

• Research Organization: Louisiana State Univ., Baton Rouge, LA (United States). Dept. of Physics and Astronomy
• Sponsoring Organization: USDOE, Washington, DC (United States)
• DOE Contract Number: FG05-84ER40159
• OSTI ID: 10147603
• Report Number(s): DOE/ER/40159--199; ON: DE93013376
• Country of Publication: United States
• Language: English

Related Subjects

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663220
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73 NUCLEAR PHYSICS AND RADIATION PHYSICS
A = 150-189
A = 190-219
BRANCHING RATIO
E0-TRANSITIONS
ELECTROMAGNETIC TRANSITIONS
ENERGY LEVELS
EXPERIMENTAL DATA
GENERAL AND AVERAGE PROPERTIES OF NUCLEI AND NUCLEAR ENERGY LEVELS
LIFETIME
MERCURY 186
MERCURY 188
NEUTRON-DEFICIENT ISOTOPES
PROGRESS REPORT
RESEARCH PROGRAMS