Hindered decays from a non-yrast four-quasiparticle isomer in 164Er

T. P.D. Swan; P. M. Walker; Zs Podolyák; M. W. Reed; G. D. Dracoulis; G. J. Lane; T. Kibédi; M. L. Smith

doi:10.1103/PhysRevC.86.044307

Hindered decays from a non-yrast four-quasiparticle isomer in 164Er

T. P.D. Swan^*, P. M. Walker, Zs Podolyák, M. W. Reed, G. D. Dracoulis, G. J. Lane, T. Kibédi, M. L. Smith

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

The half-life of a Kπ=12⁺ isomer in 164Er has been measured to be 68(2) ns, and new decay pathways have been identified. These include highly K-forbidden γ-ray transitions directly to the ground-state rotational band, with reduced hindrance values that can be compared with those found for heavier nuclides. The new data support the interpretation that the level density is a key variable in determining K-forbidden transition rates.

Original language	English
Article number	044307
Journal	Physical Review C - Nuclear Physics
Volume	86
Issue number	4
DOIs	https://doi.org/10.1103/PhysRevC.86.044307
Publication status	Published - 4 Oct 2012

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abstract = "The half-life of a Kπ=12+ isomer in 164Er has been measured to be 68(2) ns, and new decay pathways have been identified. These include highly K-forbidden γ-ray transitions directly to the ground-state rotational band, with reduced hindrance values that can be compared with those found for heavier nuclides. The new data support the interpretation that the level density is a key variable in determining K-forbidden transition rates.",

author = "Swan, {T. P.D.} and Walker, {P. M.} and Zs Podoly{\'a}k and Reed, {M. W.} and Dracoulis, {G. D.} and Lane, {G. J.} and T. Kib{\'e}di and Smith, {M. L.}",

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AU - Podolyák, Zs

AU - Reed, M. W.

AU - Dracoulis, G. D.

AU - Lane, G. J.

AU - Kibédi, T.

AU - Smith, M. L.

PY - 2012/10/4

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N2 - The half-life of a Kπ=12+ isomer in 164Er has been measured to be 68(2) ns, and new decay pathways have been identified. These include highly K-forbidden γ-ray transitions directly to the ground-state rotational band, with reduced hindrance values that can be compared with those found for heavier nuclides. The new data support the interpretation that the level density is a key variable in determining K-forbidden transition rates.

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Hindered decays from a non-yrast four-quasiparticle isomer in 164Er

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