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Using proton-induced ^3He to study He diffusion kinetics and rock thermal histories

Farley, K. A. and Shuster, D. L. and Burnett, D. S. and Sisterson, J. (2002) Using proton-induced ^3He to study He diffusion kinetics and rock thermal histories. Geochimica et Cosmochimica Acta, 66 (15A). A224. ISSN 0016-7037.

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We have investigated He release kinetics by step-heating of minerals in which we introduced artificial ^3He with a beam of ~150 MeV protons in a particle accelerator used primarily for cancer therapy. This process mimics cosmic-ray spallation, and produces He with a ^3He/^4He ratio of about unity. The induced helium is homogeneously distributed within the target crystals, and because it is emitted with few MeV energies, the ^3He should reside in sites indistinguishable from those of radiogenic ^4He.

Item Type:Article
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URLURL TypeDescription
Farley, K. A.0000-0002-7846-7546
Burnett, D. S.0000-0001-9521-8675
Additional Information:© 2002 Published by Elsevier Ltd.
Issue or Number:15A
Record Number:CaltechAUTHORS:20150506-155302502
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Official Citation:Abstracts, Geochimica et Cosmochimica Acta, Volume 66, Supplement 1, 15 August 2002, Pages 201-300, ISSN 0016-7037, (
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:57299
Deposited By: Tony Diaz
Deposited On:06 May 2015 22:59
Last Modified:09 Mar 2020 13:18

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