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Development of a detection method for {244}Pu by resonance ionization mass spectrometry

The long-lived actinide {sup 244}Pu (t{sub 1/2} = 81 Myr) is expected to be present in the Interstellar Medium from fresh r-process nucleosynthesis or in direct ejecta from supernovae. Deposition onto Earth may result in traces of live {sup 244}Pu in suitable reservoirs. We are developing a method f...

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Published in:	New astronomy reviews 2006-10, Vol.50 (7-8)
Main Authors:	Ofan, A., Ahmad, I., Greene, J. P., Paul, M., Savina, M. R.
Format:	Article
Language:	English
Subjects:	ACTINIDES CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS DEPOSITION DETECTION EFFICIENCY IONIZATION MASS SPECTROSCOPY NUCLEOSYNTHESIS R PROCESS RESONANCE RESONANCE IONIZATION MASS SPECTROSCOPY SPECTROSCOPY SUPERNOVAE
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creator	Ofan, A. Ahmad, I. Greene, J. P. Paul, M. Savina, M. R.
description	The long-lived actinide {sup 244}Pu (t{sub 1/2} = 81 Myr) is expected to be present in the Interstellar Medium from fresh r-process nucleosynthesis or in direct ejecta from supernovae. Deposition onto Earth may result in traces of live {sup 244}Pu in suitable reservoirs. We are developing a method for {sup 244}Pu detection based on resonance ionization mass spectroscopy. Using Gd as a proxy, we determine an overall efficiency of 0.5% in conditions applicable to the detection of Pu, and present preliminary results on Pu detection.
doi_str_mv	10.1016/j.newar.2006.06.066
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subjects	ACTINIDES CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS DEPOSITION DETECTION EFFICIENCY IONIZATION MASS SPECTROSCOPY NUCLEOSYNTHESIS R PROCESS RESONANCE RESONANCE IONIZATION MASS SPECTROSCOPY SPECTROSCOPY SUPERNOVAE
title	Development of a detection method for {244}Pu by resonance ionization mass spectrometry
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