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The influence of cosmic-ray production on extinct nuclide systems

Abstract:

Variations in the atomic abundances of 53Cr, 92Zr, 98Ru, 99Ru, and 182W in meteorites and lunar samples relative to terrestrial values may imply the early decay of radioactive 53Mn, 92Nb, 98Tc, 99Tc and 182Hf, respectively. From this one can deduce nucleosynthetic sites and early solar system timescales. Because these effects are very small, production and consumption of the respective isotopes by cosmic-ray interactions is a concern. It has recently been demonstrated that 182W production by ...

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Publication status:
Published

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Institution:
University of Oxford
Division:
MPLS
Department:
Earth Sciences
Role:
Author
Journal:
GEOCHIMICA ET COSMOCHIMICA ACTA More from this journal
Volume:
67
Issue:
3
Pages:
529-541
Publication date:
2003-02-01
DOI:
ISSN:
0016-7037
Language:
English
Pubs id:
pubs:152006
UUID:
uuid:fa5b691c-ceb4-4ceb-92ff-01b19b69a7e6
Local pid:
pubs:152006
Source identifiers:
152006
Deposit date:
2012-12-19

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