Development of a detection method for 244Pu by Resonance Ionization Mass Spectrometry

Details Development of a detection method for 244Pu by Resonance Ionization Mass Spectrometry Development of a detection method for 244Pu by Resonance Ionization Mass Spectrometry

Oct 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006newar..50..640o&link_type=abstract

New Astronomy Reviews, Volume 50, Issue 7-8, p. 640-643.

Astronomy and Astrophysics

Astronomy

97.60.Bw, 98.38.-J, 42.62.Fi

Scientific paper

The long-lived actinide 244Pu (t1/2 = 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 244Pu in suitable reservoirs. We are developing a method for 244Pu 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.

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