Electric moments and charge deformation parameters inSm152,154,Gd156, andEr166

1 March 1977

journal article
research article
Published by American Physical Society (APS) in Physical Review C

Vol. 15 (3), 921-926
https://doi.org/10.1103/physrevc.15.921

Abstract

Coulomb excitation experiments with

α

particles were performed on the four rare-earth nuclei

{}^{152, 154}{Sm}

{}^{156}{Gd}

, and

{}^{166}{Er}

E 2

and

E 4

transition matrix elements of low-lying levels in the rotational ground-state bands were obtained. Model dependent charge deformation parameters

β_{2}^{c}

and

β_{4}^{c}

were extracted assuming a deformed Fermi distribution with diffuse surface. The possible difference between charge and nuclear hexadecapole deformation observed in

{}^{154}{Sm}

does not show up in the isotone

{}^{156}{Gd}

Keywords

This publication has 27 references indexed in Scilit:

Shapes of deformed nuclei as determined by electron scattering: ${}^{152}{Sm}$ , ${}^{154}{Sm}$ , ${}^{166}{Er}$ , ${}^{176}{Yb}$ , ${}^{232}{Th}$ , and ${}^{238}U$
Physical Review C, 1976
Electric moments and charge deformation in even rare-earth nuclei
Physical Review C, 1974
Hexadecapole moments obtained by semiclassical and quantum mechanical analyses of Coulomb excitation
Physics Letters B, 1974
Measurements ofE4 matrix elements in152Sm and154Sm
The European Physical Journal A, 1973
Electric hexadecapole transition moments in 152, 154Sm
Physics Letters B, 1972
Quadrupole and Hexadecapole Deformations in Rare-Earth Nuclei
Physical Review Letters, 1972
Deformation Parameters of ${}^{152}{Sm}$ by Electron Scattering
Physical Review Letters, 1972
$E 4$ Moments in ${}^{152}{Sm}$ and ${}^{154}{Sm}$
Physical Review Letters, 1971
Quadrupole and hexadecapole deformations in rare earth nuclei
Nuclear Physics A, 1970
Determination of Y40 and Y60 components in the shapes of rare earth nuclei
Physics Letters B, 1968

Cited by 28 articles