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Radiocarbon dating of an ancient Japanese document “Minamoto no Yoritomo Sodehan Migyosho” by accelerator mass spectrometry
Authors:H Oda  M Akiyama  T Masuda  T Nakamura
Institution:(1) Center for Chronological Research, Nagoya University, Chikusa, Nagoya 464-8602, Japan;(2) Nagoya University Library, Chikusa, Nagoya 464-8601, Japan;(3) Aichi Bunkyo University, Komaki, Aichi 485-0802, Japan
Abstract:We measured radiocarbon age of an ancient document “Minamoto no Yoritomo Sodehan Migyosho”. The content tells that it was issued in 1189 by “Minamoto no Yoritomo” known as the virtually first shogun in Japan to grant “Matsugi” family the privilege of controlling craftsmen of foundry industry. Paleographical views, however, suggested that it can be a counterfeit. The radiocarbon dating clarified that the document was written not in the 12th but after the 16th century.
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