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Precision muonic-atom measurements of nuclear quadrupole moments and the Sternheimer effect in rare-earth atoms

Journal Article · · Phys. Rev. Lett.; (United States)
; ; ; ; ;

The ground-state quadrupole moments of /sup 151/Eu, /sup 153/Eu, /sup 155/Gd, /sup 157/Gd, /sup 159/Tb, /sup 163/Dy, /sup 167/Er, /sup 177/Hf, /sup 179/Hf, /sup 191/Ir, and /sup 193/Ir were determined with an uncertainty of less than one percent by measuring the quadrupole hyperfine-splitting energies of muonic M x rays. The results are used to determine experimentally Sternheimer shielding factors for the 4f, 5d, and 6p electronic states of the respective atoms. The deduced shielding factors for the 5d electronic states were found to vary considerably among these elements, presumably as a result of configuration mixing.

Research Organization:
Department of Physics, Purdue University, West Lafayette, Indiana 47907
OSTI ID:
5454714
Journal Information:
Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 51:18; ISSN PRLTA
Country of Publication:
United States
Language:
English

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Related Subjects

640303 -- Atomic
Molecular & Chemical Physics-- Positronium
Muonium
& Muonic & Mesic Atoms & Molecules
651824* -- Nuclear Properties & Reactions
A=150-189
Experimental-- Moments & Spin-- (-1987)
651924 -- Nuclear Properties & Reactions
A=190-219
Experimental-- Moments & Spin-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
74 ATOMIC AND MOLECULAR PHYSICS
ATOMS
CONFIGURATION MIXING
DAYS LIVING RADIOISOTOPES
DEFORMATION
DYSPROSIUM
DYSPROSIUM 163
DYSPROSIUM ISOTOPES
ELECTROMAGNETIC RADIATION
ELEMENTS
ENERGY LEVELS
ERBIUM
ERBIUM 167
ERBIUM ISOTOPES
EUROPIUM
EUROPIUM 151
EUROPIUM 153
EUROPIUM ISOTOPES
EVEN-ODD NUCLEI
GADOLINIUM
GADOLINIUM 155
GADOLINIUM 157
GADOLINIUM ISOTOPES
HAFNIUM
HAFNIUM 177
HAFNIUM 179
HAFNIUM ISOTOPES
HEAVY NUCLEI
HYPERFINE STRUCTURE
INTERACTIONS
INTERMEDIATE MASS NUCLEI
INTERNAL CONVERSION RADIOISOTOPES
IONIZING RADIATIONS
IRIDIUM
IRIDIUM 191
IRIDIUM 193
IRIDIUM ISOTOPES
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
METALS
MUONIC ATOMS
NUCLEAR DEFORMATION
NUCLEI
ODD-EVEN NUCLEI
PLATINUM METALS
QUADRUPOLE MOMENTS
RADIATIONS
RADIOISOTOPES
RARE EARTH ISOTOPES
RARE EARTH NUCLEI
RARE EARTHS
SECONDS LIVING RADIOISOTOPES
STABLE ISOTOPES
STERNHEIMER FORMULA
TERBIUM
TERBIUM 159
TERBIUM ISOTOPES
TRANSITION ELEMENTS
X RADIATION