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AbstractAbstract
[en] The possibility of excitation of the 238U shape-isomer by the atomic cascade of a negative muon has been investigated by a search for back-decay γ-rays. No candidates for such γ-rays have been found with yields greater than 1% per stopping muon, indicating that the probability of the isomer excitation by muons is less than 3%. The lifetime of a μ- bound to 238U has been determined from capture γ-rays to be 79.1+-0.5 ns, which also set the upper limit of this probability to 7-15%. (Auth.)
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Record Type
Journal Article
Journal
Phys. Lett., B; v. 64(2); p. 217-220
Country of publication
ACTINIDE NUCLEI, ALPHA DECAY RADIOISOTOPES, ATOMS, ELECTROMAGNETIC RADIATION, ELEMENTARY PARTICLES, ENERGY, ENERGY-LEVEL TRANSITIONS, EVEN-EVEN NUCLEI, FERMIONS, HEAVY NUCLEI, IONIZING RADIATIONS, ISOTOPES, LEPTONS, MUONS, NUCLEI, POTENTIAL ENERGY, RADIATIONS, RADIOISOTOPES, SPECTRA, URANIUM ISOTOPES, YEARS LIVING RADIOISOTOPES
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