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  1. F300 宇宙地球環境研究所
  2. F300b 紀要
  3. 名古屋大学年代測定研究
  4. 1

名古屋大学タンデトロンAMS14Cシステムの現状

https://doi.org/10.18999/nagubc.1.141
https://doi.org/10.18999/nagubc.1.141
2bf1bf9b-fdb6-4fa3-9e2e-61d2bb6f3876
名前 / ファイル ライセンス アクション
141-148_2016.pdf 141-148_2016.pdf (4.2 MB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2018-08-17
タイトル
タイトル 名古屋大学タンデトロンAMS14Cシステムの現状
言語 ja
その他のタイトル
その他のタイトル Status and Applications of a Tandetron AMS System at Nagoya University in 2016
言語 en
著者 中村, 俊夫

× 中村, 俊夫

WEKO 78992

ja 中村, 俊夫

Search repository
南, 雅代

× 南, 雅代

WEKO 78993

ja 南, 雅代

Search repository
増田, 公明

× 増田, 公明

WEKO 78994

ja 増田, 公明

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小田, 寛貴

× 小田, 寛貴

WEKO 78995

ja 小田, 寛貴

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池田, 晃子

× 池田, 晃子

WEKO 78996

ja 池田, 晃子

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栗田, 直幸

× 栗田, 直幸

WEKO 78997

ja 栗田, 直幸

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窪田, 薫

× 窪田, 薫

WEKO 78998

ja 窪田, 薫

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西田, 真砂美

× 西田, 真砂美

WEKO 78999

ja 西田, 真砂美

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椋本, ひかり

× 椋本, ひかり

WEKO 79000

ja 椋本, ひかり

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藤沢, 純平

× 藤沢, 純平

WEKO 79001

ja 藤沢, 純平

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方, 雨婷

× 方, 雨婷

WEKO 79002

ja 方, 雨婷

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徳丸, 誠

× 徳丸, 誠

WEKO 79003

ja 徳丸, 誠

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酢屋, 徳啓

× 酢屋, 徳啓

WEKO 79004

ja 酢屋, 徳啓

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北川, 浩之

× 北川, 浩之

WEKO 79005

ja 北川, 浩之

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Nakamura, Toshio

× Nakamura, Toshio

WEKO 79006

en Nakamura, Toshio

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Minami, Masayo

× Minami, Masayo

WEKO 79007

en Minami, Masayo

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Masuda, Kimiaki

× Masuda, Kimiaki

WEKO 79008

en Masuda, Kimiaki

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Oda, Hirotaka

× Oda, Hirotaka

WEKO 79009

en Oda, Hirotaka

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Ikeda, Akiko

× Ikeda, Akiko

WEKO 79010

en Ikeda, Akiko

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Kurita, Naoyuki

× Kurita, Naoyuki

WEKO 79011

en Kurita, Naoyuki

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Kubota, Kaoru

× Kubota, Kaoru

WEKO 79012

en Kubota, Kaoru

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Nishida, Masami

× Nishida, Masami

WEKO 79013

en Nishida, Masami

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Mukumoto, Hikari

× Mukumoto, Hikari

WEKO 79014

en Mukumoto, Hikari

Search repository
Fujisawa, Junpei

× Fujisawa, Junpei

WEKO 79015

en Fujisawa, Junpei

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Fang, Yuting

× Fang, Yuting

WEKO 79016

en Fang, Yuting

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Suya, Tokunori

× Suya, Tokunori

WEKO 79017

en Suya, Tokunori

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Kitagawa, Hiroyuki

× Kitagawa, Hiroyuki

WEKO 79018

en Kitagawa, Hiroyuki

Search repository
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
キーワード
主題Scheme Other
主題 accelerator mass spectrometry
キーワード
主題Scheme Other
主題 radiocarbon
キーワード
主題Scheme Other
主題 spark detector
キーワード
主題Scheme Other
主題 air-cooling magnet power supply
キーワード
主題Scheme Other
主題 cryovacuum-pumping system
キーワード
主題Scheme Other
主題 turbo pump system
抄録
内容記述 An AMS system (Model 4130-AMS) dedicated to 14C measurements, built by High Voltage Engineering (HVE), B.V., the Netherlands, was delivered to Nagoya University in 1996/97. Acceptance tests on its performance on carbonisotope- ratio measurements were completed in January of 1999 and routine measurements began in mid-2000. The numbers of targets measured from 1999 to 2016 were: 330, 1430, 2077, 1003, 1,979, 1679, 1772, 1115, 1339, 866, 1300, 1701, 1449, 1634, 1351, 1741, 1156, and 466, respectively (24,387 were measured by the end of June 2016). We briefly describe the maintenance processes for the AMS system in 2016. The Tandetron AMS system at Nagoya University encountered several serious problems in 2016. First, the high voltage of the accelerator broke down frequently for no clear reasons. Any sparks happened before these voltage downs. Second, a compressor for the cryo-pumping system stopped suddenly. Parts for maintaining the pump system are no longer supplied by the manufacturer, leaving us no choice but to replace the cryo-pumping system with a turbomolecular pumping system. Third, ion source cleaning had to be conducted due to a shortage of Cs in the container. Fourth, the excessively high temperature of the circulating water used to cool down the power supply system for two high-energy mass-analyzing magnets forced us to replace the system with a magnet power supply system cooled by air. Fifth, a power supply unit for the servo-amplifier controlling the motor for target exchanging function was found to be out of order. Replacement with a spare unit corrected the problem. Six, two big sparks seriously damaged the solid state RF driver for the high-voltage generation, rendering the AMS system incapable of applying the high voltage of 2.5 MV used for 14C measurements. We replaced a damaged coil at the final part of high-voltage power supply for the repair. As a consequence of these numerous problems, were only able to process 466 graphite targets in 2016. We also carried out a number of application programs for 14C measurements at Nagoya University in 2016. Some of the results are reported in these Proceedings.
言語 en
内容記述タイプ Abstract
出版者
言語 ja
出版者 名古屋大学宇宙地球環境研究所年代測定研究部
言語
言語 jpn
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ departmental bulletin paper
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
ID登録
ID登録 10.18999/nagubc.1.141
ID登録タイプ JaLC
書誌情報 ja : 名古屋大学年代測定研究

巻 1, p. 141-148, 発行日 2017-03-31
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