Title: Short-lived fission products as a diagnostics tool for studying atom and ion behavior in a gas-based laser ion source
Authors: Weissman, L ×
Prasad, NVSV
Bruyneel, B
Huyse, Marc
Kruglov, K
Kudryavtsev, Yuri
Muller, WF
Van Duppen, Piet
Van Roosbroeck, Jan #
Issue Date: May-2002
Publisher: Elsevier science bv
Series Title: Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, spectrometers, detectors and associated equipment vol:483 issue:3 pages:593-602
Abstract: A striking difference between gamma spectra of neutron-rich Rh isotopes obtained with the laser ion source at the Leuven Isotope Separator On-Line facility has been observed depending on the mode of operation. Although the global production rate of Rh-112(g,m) nuclei decreases considerably, the ratio between the productions of Rh-112(g) and Rh-112(m) increases strongly when no laser ionisation is used. This effect is caused by Ru-112 atoms which decay during gas evacuation of the ion source gas cell, thereby producing Rh-112(g) ions. The comparison in time behaviour of reaction produced ions, beta-decay produced ions and laser produced ions makes it possible to study and characterise the different processes in the gas cell. The influence of these processes has to be considered when extracting nuclear information such as the relative feeding of different short-lived isomers and isotopes and fission cross-sections in a particular mass chain. (C) 2002 Elsevier Science B.V. All rights reserved.
ISSN: 0168-9002
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Nuclear and Radiation Physics Section
× corresponding author
# (joint) last author

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