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  1. F300 宇宙地球環境研究所
  2. F300b 紀要
  3. 名古屋大学加速器質量分析計業績報告書
  4. 24

名古屋大学タンデトロンAMS14Cシステムの現状と利用(2012)

https://doi.org/10.18999/sumrua.24.13
https://doi.org/10.18999/sumrua.24.13
77b60b93-2148-4f0b-b669-6d81400c9edd
名前 / ファイル ライセンス アクション
sumrua_24_13.pdf sumrua_24_13.pdf (10.1 MB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2014-06-06
タイトル
タイトル 名古屋大学タンデトロンAMS14Cシステムの現状と利用(2012)
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 2012
言語 en
著者 中村, 俊夫

× 中村, 俊夫

WEKO 83578

ja 中村, 俊夫

Search repository
南, 雅代

× 南, 雅代

WEKO 83579

ja 南, 雅代

Search repository
小田, 寛貴

× 小田, 寛貴

WEKO 83580

ja 小田, 寛貴

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池田, 晃子

× 池田, 晃子

WEKO 83581

ja 池田, 晃子

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一木, 絵理

× 一木, 絵理

WEKO 83582

ja 一木, 絵理

Search repository
伊藤, 一充

× 伊藤, 一充

WEKO 83583

ja 伊藤, 一充

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宮田, 佳樹

× 宮田, 佳樹

WEKO 83584

ja 宮田, 佳樹

Search repository
箱崎, 真隆

× 箱崎, 真隆

WEKO 83585

ja 箱崎, 真隆

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太田, 友子

× 太田, 友子

WEKO 83586

ja 太田, 友子

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西田, 真砂美

× 西田, 真砂美

WEKO 83587

ja 西田, 真砂美

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池盛, 文数

× 池盛, 文数

WEKO 83588

ja 池盛, 文数

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城森, 由佳

× 城森, 由佳

WEKO 83589

ja 城森, 由佳

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加藤, ともみ

× 加藤, ともみ

WEKO 83590

ja 加藤, ともみ

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早田, 葵

× 早田, 葵

WEKO 83591

ja 早田, 葵

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長谷, 和磨

× 長谷, 和磨

WEKO 83592

ja 長谷, 和磨

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冨山, 慎二

× 冨山, 慎二

WEKO 83593

ja 冨山, 慎二

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Nakamura, Toshio

× Nakamura, Toshio

WEKO 83594

en Nakamura, Toshio

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Minami, Masayo

× Minami, Masayo

WEKO 83595

en Minami, Masayo

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Oda, Hirotaka

× Oda, Hirotaka

WEKO 83596

en Oda, Hirotaka

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Ikeda, Akiko

× Ikeda, Akiko

WEKO 83597

en Ikeda, Akiko

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Hitoki, Eri

× Hitoki, Eri

WEKO 83598

en Hitoki, Eri

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Itoh, Kazumi

× Itoh, Kazumi

WEKO 83599

en Itoh, Kazumi

Search repository
Hakozaki, Masataka

× Hakozaki, Masataka

WEKO 83600

en Hakozaki, Masataka

Search repository
Miyata, Yoshiki

× Miyata, Yoshiki

WEKO 83601

en Miyata, Yoshiki

Search repository
Ohta, Tomoko

× Ohta, Tomoko

WEKO 83602

en Ohta, Tomoko

Search repository
Nishida, Masami

× Nishida, Masami

WEKO 83603

en Nishida, Masami

Search repository
Ikemori, Kazufumi

× Ikemori, Kazufumi

WEKO 83604

en Ikemori, Kazufumi

Search repository
Jyomori, Yuka

× Jyomori, Yuka

WEKO 83605

en Jyomori, Yuka

Search repository
Kato, Tomomi

× Kato, Tomomi

WEKO 83606

en Kato, Tomomi

Search repository
Soda, Aoi

× Soda, Aoi

WEKO 83607

en Soda, Aoi

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Hase, Kazuma

× Hase, Kazuma

WEKO 83608

en Hase, Kazuma

Search repository
Tomiyama, Shinji

× Tomiyama, Shinji

WEKO 83609

en Tomiyama, Shinji

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 ferro-fluid feedthrough
キーワード
主題Scheme Other
主題 turbo molecular vacuum pump
キーワード
主題Scheme Other
主題 accelerator terminal pump
キーワード
主題Scheme Other
主題 generator
キーワード
主題Scheme Other
主題 14C wiggle matching
キーワード
主題Scheme Other
主題 加速器質量分析
キーワード
主題Scheme Other
主題 放射性炭素
キーワード
主題Scheme Other
主題 磁気流体軸受
キーワード
主題Scheme Other
主題 ターボ分子真空ポンプ
キーワード
主題Scheme Other
主題 加速器ターミナルポンプ
キーワード
主題Scheme Other
主題 発電機
キーワード
主題Scheme Other
主題 14Cウイグルマッチング
抄録
内容記述 An AMS system (Model 4130-AMS) dedicated to14C measurements, built by High Voltage Engineering Europe (HVEE), B.V., The Netherlands, was delivered to Nagoya University in 1996/97. Acceptance tests of its performance on carbon isotope measurements were completed in January of 1999, and routine measurements began in mid-2000. Since completion of the acceptance tests in early 1999, we have encountered a lot of troubles with the machine, particularly in 2002. Since the end of 2002, the machine has worked relatively well, expect for minor problems. The standard deviation (one sigma) of the 14C/12C ratio is around ±0.3% to ±0.4% (a bit larger than the uncertainty of about ±0.3% calculated from 14C counting statistics) and that of the corresponding 13C/12C ratio is ±0.03% to ±0.07% , as are tested for HOxII targets. The number of targets measured was 330, 1430, 2077, 1003, 1,979, 1679, 1772, 1115, 1339, 866, 1300, 1701, 1449, 1634 in each year from 1999 to 2012, respectively, and total number of targets measured by the end of 2012 is 19,674. The Tandetron AMS system worked well in the early half of 2012, with only minor failures. In September, a noise became large from the 12C-beam chopper, in the recombinator system, owing to the problem of a ferro-fluid-feedthrough, which had been used since June, 2008. We have replaced the ferro-fluid feedthrough to a new one. Soon after the chopper problem, the turbo molecular pump (TMP) in the recombinator system was damaged with the bearing of the rotating fan. We sent the pump to the supplier for repair. Because of the broken bearing, the rotating fan was seriously damaged, and we must purchase a new one. On 24th October, a large noise was generated from inside of the accelerator tank. We decided to open the tank and check the parts inside. The problem was also a bearing mounted in the power generator that supplies electric power to a terminal turbo-pump mounted inside the tank. We can get a new generator in a few weeks, because HVEE possessed one for spare by chance. We purchased it and replaced the damage generator on November. After tank opening, inner surfaces of the accelerator tank absorbed water in the atmosphere, we spent much time to remove water vapor from SF6 insulator gas. We had experienced twice of high voltage sparks, but no detectable damage occurred with the accelerator system. We could have restarted 14C measurements at around mid of December. Owing to these difficulties with the machine, the total number of graphite targets measured was 1634 in 2012, smaller in number than that in 2010 (1701), but a larger than in 2011 (1449).
言語 en
内容記述タイプ Abstract
内容記述
内容記述 名古屋大学年代測定総合研究センターシンポジウム報告
言語 ja
内容記述タイプ Other
出版者
言語 ja
出版者 名古屋大学年代測定資料研究センター
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/sumrua.24.13
ID登録タイプ JaLC
書誌情報 ja : 名古屋大学加速器質量分析計業績報告書

巻 24, p. 13-24, 発行日 2013-03
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