Radiocarbon ages of ancient Japanese documents

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  • 古文書のAMS <14>^C年代 : 近世の古文書と浄瑠璃寺阿弥陀如来像印仏の測定結果

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Abstract

We have been worked on radiocarbon dating of ancient Japanese documents written dates of which are known. In 1998 and 1999,we measured seven radiocarbon ages of ancient documents by using Tandetron accelerator mass spectrometer at Nagoya University. This paper reports five radiocarbon ages of ancient Japanese documents, which were measured in 2000 and 2001 by using new Tandetron accelerator mass spectrometer. The calibrated radiocarbon ages are in good agreement with the corresponding historical ages. It was shown by radiocarbon dating of the ancient documents that Japanese paper has little gap by "old wood effect"; accordingly, ancient Japanese document is a suitable sample for radiocarbon dating of recent historic period.

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