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Transition rates in {sup 161}Dy

Abstract

The decay of {sup 161}Tb has been studied using a high resolution Ge(Li)-detector. Five new transitions were observed and fitted into the earlier proposed decay scheme. The half-life of the 131.8 keV level in {sup 161}Dy was determined in a delayed coincidence measurement to be 145 {+-} 15 psec. The low level scheme in {sup 161}Dy is discussed within a quasi-particle model allowing for Coriolis mixing. Special attention is given to the strongly retarded, K-allowed 131.8 keV E1 transition with a retardation factor F{sub W} > 1.5 x 10{sup 8}.
Publication Date:
Jun 15, 1969
Product Type:
Technical Report
Report Number:
AE-363
Resource Relation:
Other Information: 29 refs., 6 figs., 7 tabs.
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; HALF-LIFE; ENERGY LEVELS; COINCIDENCE SPECTROMETRY; DYSPROSIUM 161; GAMMA SPECTROSCOPY; ELECTRON SPECTROSCOPY
OSTI ID:
20956198
Research Organizations:
AB Atomenergi, Nykoeping (Sweden)
Country of Origin:
Sweden
Language:
English
Other Identifying Numbers:
TRN: SE0708641
Availability:
Commercial reproduction prohibited; OSTI as DE20956198
Submitting Site:
SWDN
Size:
38 pages
Announcement Date:
Dec 29, 2007

Citation Formats

Berg, V, and Malmskog, S G. Transition rates in {sup 161}Dy. Sweden: N. p., 1969. Web.
Berg, V, & Malmskog, S G. Transition rates in {sup 161}Dy. Sweden.
Berg, V, and Malmskog, S G. 1969. "Transition rates in {sup 161}Dy." Sweden.
@misc{etde_20956198,
title = {Transition rates in {sup 161}Dy}
author = {Berg, V, and Malmskog, S G}
abstractNote = {The decay of {sup 161}Tb has been studied using a high resolution Ge(Li)-detector. Five new transitions were observed and fitted into the earlier proposed decay scheme. The half-life of the 131.8 keV level in {sup 161}Dy was determined in a delayed coincidence measurement to be 145 {+-} 15 psec. The low level scheme in {sup 161}Dy is discussed within a quasi-particle model allowing for Coriolis mixing. Special attention is given to the strongly retarded, K-allowed 131.8 keV E1 transition with a retardation factor F{sub W} > 1.5 x 10{sup 8}.}
place = {Sweden}
year = {1969}
month = {Jun}
}