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Correlation Between Fission Tracks and Fission-Type Xenon from an Extinct Radioactivity

Wasserburg, G. J. and Huneke, J. C. and Burnett, D. S. (1969) Correlation Between Fission Tracks and Fission-Type Xenon from an Extinct Radioactivity. Physical Review Letters, 22 (22). pp. 1198-1201. ISSN 0031-9007. http://resolver.caltech.edu/CaltechAUTHORS:WASprl69

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Abstract

Meteoritic whitlockite containing excess fission tracks has a large concentration of excess neutron-rich xenon isotopes which is 25 times that calculated from the track density. The isotopic spectrum is identical to that calculated previously for the Pasamonte achondrite. These results uniquely associate this spectrum with in situ fission. Identification of the fissioning nucleus as Pu244 gives Pu244/U238 ≅ 1/30 at the time of xenon retention. Neither "sudden" nor "uniform" nucleosynthetic models give consistent solutions for Pu244/U238 and U235/U238.


Item Type:Article
Additional Information:©1969 The American Physical Society Received 24 April 1969 We thank Mr. J. Brown for his competent and meticulous work in obtaining the whilockite separate and in sample preparation. Frequent discussions with W. A. Fowler have been both stimulating and thought provoking. This experiment was conceived when the authors became aware of the high density of tracks and urnaium found in whitlockite by Paul Pellas[21]. We thank O. Eugster for useful comments on the manuscript. Work supported by National Science Foundation Grants Nos. GP 9433 and 9114.
Record Number:CaltechAUTHORS:WASprl69
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:WASprl69
Alternative URL:http://dx.doi.org/10.1103/PhysRevLett.22.1198
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:5260
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:06 Oct 2006
Last Modified:18 Sep 2014 18:11

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