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Title: New Millisecond Isomer Lifetime Measurements at LANSCE

New half-life measurements have been made of the millisecond isomers {sup 71m}Ge, {sup 114m2}I, {sup 208m}Bi, {sup 88m1}Y, {sup 88m2}Y, and {sup 75m}As populated in neutron-induced reactions. These measurements were made using the unique time structure of the LANSCE/WNR neutron source, by observing the γ-ray decays of the isomers during the time between the LANSCE proton macropulses. Two different LANSCE proton beam time structures were used. The GEANIE array of HPGe detectors was used to detect the γ-ray decays.
Authors:
; ; ;
Publication Date:
OSTI Identifier:
22436682
Resource Type:
Journal Article
Resource Relation:
Journal Name: Nuclear Data Sheets; Journal Volume: 120; Other Information: Copyright (c) 2014 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; ARSENIC 75; BISMUTH 208; GAMMA DECAY; GERMANIUM 71; HALF-LIFE; HIGH-PURITY GE DETECTORS; IODINE 114; NEUTRON SOURCES; PROTON BEAMS; YTTRIUM 88