@article{oai:nagoya.repo.nii.ac.jp:00014594, author = {中村, 俊夫 and NAKAMURA, Toshio}, journal = {名古屋大学加速器質量分析計業績報告書}, month = {Mar}, note = {A plan to establish an AMS facility dedicated to radiocarbon (14C) measurement, discussed by Prof. Nakai and his colleagues, was authorized in 1978 at Nagoya University. Dr. Ken Purser, the president of General Ionex Corporation, USA, was invited to Nagoya University to present a talk on his plan to manufacture an ultra-sensitive mass spectrometer for natural-level 14C measurement. In the end, his second product, a model 4130-AMS 14C analyzer, was successfully introduced into the Radioisotope Center, Nagoya University, in 1981/82. The first 14C signal was detected with the machine in February 1983 and routine 14C measurements were started in the autumn of 1983. The AMS system has processed totally 8,612 unknown samples by July in 2000, after that time, he transferred his role of 14C measurements to another new successor. A second AMS system, dedicated to high-precision and high-accuracy 14C measurement, with a recombinator system to measure three carbon isotopes 12C, 13C and 14C simultaneously, produced by High Voltage Engineering Europe BV, The Netherlands was installed in 1996/97. The machine has been in operation since 2O00. The initial stage of 14C-AMS research at Nagoya University is summarized in this article., 第23回名古屋大学年代測定総合研究センターシンポジウム平成22(2010)年度報告}, pages = {23--36}, title = {名古屋大学における14C-AMS 研究の黎明期(1980-1990)}, volume = {22}, year = {2011} }