Half-life of {sup 221}Fr in Si and Au at 4 K and at millikelvin temperatures
Journal Article
·
· Physical Review. C, Nuclear Physics
- Instituut voor Kern- en Stralingsfysica, Katholieke Universiteit Leuven, B-3001 Leuven (Belgium)
- Switzerland
- Nuclear Physics Institute, ASCR, 250 68 Rez (Czech Republic)
The half-life of the {alpha}-decaying nucleus {sup 221}Fr was determined in different environments, that is, embedded in Si at 4 K, and embedded in Au at 4 K and about 20 mK. No differences in half-life for these different conditions were observed within 0.1%. Furthermore, we quote a value for the absolute half-life of {sup 221}Fr of t{sub 1/2}=286.1(10) s that is of comparable precision to the most precise value available in the literature.
- OSTI ID:
- 21499269
- Journal Information:
- Physical Review. C, Nuclear Physics, Vol. 82, Issue 6; Other Information: DOI: 10.1103/PhysRevC.82.064317; (c) 2010 American Institute of Physics; ISSN 0556-2813
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ACCURACY
FRANCIUM 221
GOLD
HALF-LIFE
SILICON
TEMPERATURE RANGE 0000-0013 K
ALPHA DECAY RADIOISOTOPES
ELEMENTS
FRANCIUM ISOTOPES
HEAVY NUCLEI
ISOTOPES
METALS
MINUTES LIVING RADIOISOTOPES
NUCLEI
ODD-EVEN NUCLEI
RADIOISOTOPES
SEMIMETALS
TEMPERATURE RANGE
TRANSITION ELEMENTS
ACCURACY
FRANCIUM 221
GOLD
HALF-LIFE
SILICON
TEMPERATURE RANGE 0000-0013 K
ALPHA DECAY RADIOISOTOPES
ELEMENTS
FRANCIUM ISOTOPES
HEAVY NUCLEI
ISOTOPES
METALS
MINUTES LIVING RADIOISOTOPES
NUCLEI
ODD-EVEN NUCLEI
RADIOISOTOPES
SEMIMETALS
TEMPERATURE RANGE
TRANSITION ELEMENTS