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University of Pennsylvania Radiocarbon Dates V

Published online by Cambridge University Press:  18 July 2016

Elizabeth K. Ralph  and
Robert Stuckenrath Jr.
Elizabeth K. Ralph
Affiliation:
Department of Physics and University Museum, University of Pennsylvania, Philadelphia 4, Pennsylvania
Robert Stuckenrath Jr.
Affiliation:
Department of Physics and University Museum, University of Pennsylvania, Philadelphia 4, Pennsylvania
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In conformance with the request of the editors, ages in this date list have been calculated with the Libby half life value, 5568 ± 30 yr. We should like to mention, however, that the “effective” and, possibly, the true value may differ from this by several hundred years (see discussion by Kohler and Ralph, 1961). The measurements of samples of known age indicate that the “effective” half life value is close to 5800 yr, except for specific recent periods.

Type
Research Article
Information
Radiocarbon , Volume 4 , 1962 , pp. 144 - 159
Copyright
Copyright © The American Journal of Science 

References

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