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Transition Probabilities in {sup 189}Os

Abstract

The level structure of {sup 189}Os has been studied from the decay of {sup 189}Ir (13,3 days) produced in proton spallation at CERN and mass separated in the ISOLDE on-line facility. The gamma-ray spectrum has been recorded both with a high resolution Si(Li) - detector and Ge(Li) - detectors. Three previously not reported transitions were observed defining a new level at 348.5 keV. Special attention was given to the low energy level band structure. Several multipolarity mixing ratios were deduced from measured L-subshell ratios which, together with measured level half-lives, gave absolute transition probabilities. The low level decay properties are discussed in terms of the Nilsson model with the inclusion of Coriolis coupling.
Publication Date:
Feb 15, 1970
Product Type:
Technical Report
Report Number:
AE-387
Resource Relation:
Other Information: 32 refs., 4 figs., 6 tabs.
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; ENERGY-LEVEL TRANSITIONS; ENERGY LEVELS; MIXING RATIO; NILSSON-MOTTELSON MODEL; GAMMA SPECTROSCOPY; ELECTRON SPECTROSCOPY; OSMIUM 189; HALF-LIFE
OSTI ID:
20961856
Research Organizations:
AB Atomenergi, Nykoeping (Sweden)
Country of Origin:
Sweden
Language:
English
Other Identifying Numbers:
TRN: SE0708774
Availability:
Commercial reproduction prohibited; OSTI as DE20961856
Submitting Site:
SWDN
Size:
34 pages
Announcement Date:
Dec 31, 2007

Citation Formats

Malmskog, S G, Berg, V, and Baecklin, A. Transition Probabilities in {sup 189}Os. Sweden: N. p., 1970. Web.
Malmskog, S G, Berg, V, & Baecklin, A. Transition Probabilities in {sup 189}Os. Sweden.
Malmskog, S G, Berg, V, and Baecklin, A. 1970. "Transition Probabilities in {sup 189}Os." Sweden.
@misc{etde_20961856,
title = {Transition Probabilities in {sup 189}Os}
author = {Malmskog, S G, Berg, V, and Baecklin, A}
abstractNote = {The level structure of {sup 189}Os has been studied from the decay of {sup 189}Ir (13,3 days) produced in proton spallation at CERN and mass separated in the ISOLDE on-line facility. The gamma-ray spectrum has been recorded both with a high resolution Si(Li) - detector and Ge(Li) - detectors. Three previously not reported transitions were observed defining a new level at 348.5 keV. Special attention was given to the low energy level band structure. Several multipolarity mixing ratios were deduced from measured L-subshell ratios which, together with measured level half-lives, gave absolute transition probabilities. The low level decay properties are discussed in terms of the Nilsson model with the inclusion of Coriolis coupling.}
place = {Sweden}
year = {1970}
month = {Feb}
}