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Mass-fractionation induced by the Genesis solar wind concentrator: Analysis of neon isotopes by UV laser ablation

Heber, V. S. and Wiens, R. C. and Olinger, C. and Burnett, D. S. and Baur, H. and Wiechert, U. and Wieler, R. (2006) Mass-fractionation induced by the Genesis solar wind concentrator: Analysis of neon isotopes by UV laser ablation. Meteoritics and Planetary Science, 41 (S8). A72-A72. ISSN 1086-9379. doi:10.1111/j.1945-5100.2006.tb00996.x.

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The solar wind (SW) concentrator, a key instrument onboard the Genesis mission, was designed to provide larger fluences of implanted SW for precise isotope analyses of oxygen and nitrogen [1]. SW ions in the mass range 4–28 amu were accelerated and focused on a “concentrator target” by an electrostatic mirror. This concentration process caused some instrumental mass fractionation of the implanted SW ions as function of the radial position on the target. Correction of this fractionation will be based on a combination of the measured radial fractionation of Ne isotopes with results of simulations of the implantation process using the actual performance of the concentrator and the SW conditions during exposure. Here we present He and Ne abundance and Ne isotopic composition data along one arm of the gold cross that framed the 4 concentrator subtargets.

Item Type:Article
Related URLs:
URLURL TypeDescription
Wiens, R. C.0000-0002-3409-7344
Burnett, D. S.0000-0001-9521-8675
Wieler, R.0000-0001-5666-7494
Additional Information:© 2006 The Meteoritical Society. Article first published online: 26 Jan. 2010.
Issue or Number:S8
Record Number:CaltechAUTHORS:20130131-134926701
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Official Citation:(2006), Abstracts. Meteoritics & Planetary Science, 41: A13–A199. doi: 10.1111/j.1945-5100.2006.tb00996.x
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:36714
Deposited By: Tony Diaz
Deposited On:27 Feb 2013 21:47
Last Modified:09 Nov 2021 23:24

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