Measurement of total muon-capture rates in /sup 232/Th, /sup 235/ /sup 238/U, and /sup 239/Pu

Journal Article · Wed Jun 01 04:00:00 EDT 1977 · Phys. Rev., C; (United States)

DOI:https://doi.org/10.1103/PhysRevC.15.2169· OSTI ID:7106549

Johnson, M W; Schroeder, W U; Huizenga, J R; Hensley, W K; Perry, D G; Browne, J C

The disappearance rate of muons from the 1s state of muonic actinide atoms has been measured by detecting muon-decay electrons. The experimental muon lifetimes are (79.2 +- 2.0), (75.4 +- 1.9), (73.5 +- 2.0), and (73.4 +- 2.8) nsec for muonic /sup 232/Th, /sup 235/ /sup 238/U, and /sup 239/Pu, respectively. The muon-capture rates deduced from the data are compared with the predictions of various theories. The experimental values are consistent with the systematics of muon-capture rates in the heavy elements, but are generally higher than theoretical predictions, which take deformation of the nuclear charge distribution into account. The results provide no evidence for a muon-induced isomeric fission process.

• Research Organization: Nuclear Structure Research Laboratory
• OSTI ID: 7106549
• Journal Information: Phys. Rev., C; (United States), Journal Name: Phys. Rev., C; (United States) Vol. 15:6; ISSN PRVCA
• Country of Publication: United States
• Language: English

Related Subjects

640303* -- Atomic
Molecular & Chemical Physics-- Positronium
Muonium
& Muonic & Mesic Atoms & Molecules
74 ATOMIC AND MOLECULAR PHYSICS
ACTINIDE ISOTOPES
ACTINIDE NUCLEI
ACTINIDES
ALPHA DECAY RADIOISOTOPES
ATOMS
CAPTURE
CHARGE DISTRIBUTION
DECAY
ELECTRONS
ELEMENTARY PARTICLES
ELEMENTS
EVEN-EVEN NUCLEI
EVEN-ODD NUCLEI
FERMIONS
HALF-LIFE
HEAVY NUCLEI
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
LEPTONS
LIFETIME
METALS
MINUTES LIVING RADIOISOTOPES
MUONIC ATOMS
NUCLEI
PLUTONIUM
PLUTONIUM 239
PLUTONIUM ISOTOPES
RADIOISOTOPES
THORIUM
THORIUM 232
THORIUM ISOTOPES
TRANSURANIUM ELEMENTS
URANIUM
URANIUM 235
URANIUM 238
URANIUM ISOTOPES
YEARS LIVING RADIOISOTOPES