Rotational Structure and Nilsson Orbitals for Highly Deformed Odd- $A$ Nuclei in the $A \sim 100$ Region

Publisher Website

5 September 1983

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

Vol. 51 (10) , 873-876
https://doi.org/10.1103/physrevlett.51.873

Abstract

Six rotational bands have been found in

{}_{39}^{99}Y_{60}

,

{}_{39}^{101}Y_{62}

,

{}_{38}^{99}{Sr}_{61}

, and

{}_{40}^{101}{Zr}_{61}

. All bands have small and very similar values of

\frac{ℏ^{2}}{2 I}

that indicate deformations of ∼ 0.3-0.4 and imply that these nuclei are among the most deformed known, with

I \sim 0.8 I_{rigid}

. Relative strengths of intraband

γ

transitions suggest Nilsson orbital assignments of

π \frac{5}{2} [422]

for the Y ground bands.

Keywords

This publication has 12 references indexed in Scilit:

Evidence for a rotational band in99Y
Zeitschrift für Physik A Atoms and Nuclei, 1982
Relation between the $Z = 64$ Shell Closure and the Onset of Deformation at $N = 88 - 90$
Physical Review Letters, 1981
The strongly deformed nucleus 100Sr
Physics Letters B, 1979
Unified shell-model description of nuclear deformation
Physical Review C, 1979
Hartree-Fock-Bogolyubov study of deformation in the ZrMo region
Physics Letters B, 1978
E2,M1 multipole mixing ratios in odd-mass nuclei, A > 150
Atomic Data and Nuclear Data Tables, 1976
Ground-state deformations for neutron-rich nuclei in the A ≈ 100 region
Nuclear Physics A, 1974
Determination of the Charge and Mass Distribution in the Fission of ${}^{252}{Cf}$
Physical Review C, 1971
A Survey of Nonrotational States of Deformed Odd- $A$ Nuclei ( $150 < A < 190$ )
Reviews of Modern Physics, 1971
Equilibrium deformations of neutron-rich nuclei in the A ≈ 100 region
Nuclear Physics A, 1969