Band structure change in Z>50 region: Doubly odd <math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><mmultiscripts><mrow></mrow><mprescripts></mprescripts><mrow></mrow><mrow><mn>120</mn></mrow><mrow></mrow><mrow></mrow></mmultiscripts></mrow></math>,122Cs and <math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><mmultiscripts><mrow></mrow><mprescripts></mprescripts><mrow></mrow><mrow><mn>126</mn></mrow><mrow></mrow><mrow></mrow></mmultiscripts></mrow></math>,128La

M. A. Quader; C. W. Beausang; P. Chowdhury; U. Garg; D. B. Fossan

doi:10.1103/PhysRevC.33.1109

Rapid Communication

Band structure change in Z>50 region: Doubly odd ${}^{120}$ ,122Cs and ${}^{126}$ ,128La

M. A. Quader, C. W. Beausang, P. Chowdhury, U. Garg, and D. B. Fossan

Phys. Rev. C 33, 1109(R) – Published 1 March 1986

Abstract

ΔJ=1 band structures were found in the doubly odd ${}^{120}$ ,122Cs and ${}^{126}$ ,128La nuclei via γ-ray spectroscopy following heavy-ion-induced reactions. The band characteristics for the Z>50 transition region (non-staggered spacings and positive E2/M1 mixing ratios), that are associated with the $g_{9 / 2}$ proton-hole intruder, were observed in ${}^{120}{Cs}$ , but changed to significant staggering and negative mixing ratios along with increased E2 crossover branching in the other three nuclei.

Received 10 October 1985

DOI:https://doi.org/10.1103/PhysRevC.33.1109

Authors & Affiliations

M. A. Quader, C. W. Beausang, P. Chowdhury, U. Garg, and D. B. Fossan

Department of Physics, State University of New York, Stony Brook, New York 11794

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Vol. 33, Iss. 3 — March 1986

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Physical Review C

covering nuclear physics