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Heavy gold cluster beams production and identification

Abstract : It is shown that beams of very heavy gold clusters can be produced by a liquid metal ion source (LMIS). An experimental method is described for defining the LMIS source and the Wien filter parameters that must be set to extract and select large Aun clusters. This method is based on the acceleration of the clusters to high energy (MeV) and on the measurement, after their passage through a thin foil, of their number of constituents and velocity. Only an average mass over charge value is obtained for a given set of source and Wien filter parameters. These parameters can then be used to select heavy Aun cluster beams for applications at low energy (keV) in mass spectrometry.
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Submitted on : Tuesday, November 2, 2004 - 10:56:10 AM
Last modification on : Wednesday, September 16, 2020 - 4:07:25 PM
Long-term archiving on: : Thursday, April 1, 2010 - 3:25:42 PM


  • HAL Id : in2p3-00023214, version 1



S. Bouneau, S. Della-Negra, J. Depauw, D. Jacquet, Y. Le Beyec, et al.. Heavy gold cluster beams production and identification. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, Elsevier, 2004, 225, pp.579-589. ⟨in2p3-00023214⟩



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