Status and research programs of the multinuclide accelerator mass spectrometry system at the University of Tsukuba
書誌事項
- 公開日
- 2010-04
- 資源種別
- journal article
- 権利情報
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- https://www.elsevier.com/tdm/userlicense/1.0/
- https://www.elsevier.com/legal/tdmrep-license
- DOI
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- 10.1016/j.nimb.2009.10.052
- 公開者
- Elsevier BV
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説明
Abstract We present the current status and research programs of a multinuclide accelerator mass spectrometry (AMS) system on the 12UD Pelletron tandem accelerator at the University of Tsukuba (Tsukuba AMS system), Japan. A maximum terminal voltage of 12 MV is available for the AMS system. The Tsukuba AMS system can measure environmental levels of long-lived radioisotopes of 14 C, 26 Al, 36 Cl and 129 I by employing a molecular pilot beam. Recently, enhancements in AMS techniques and equipment, including sample preparation, the ion source and the data acquisition system, have improved the performance of 36 Cl-AMS. The standard deviation of fluctuations is typically ±2%, and the machine background level for the 36 Cl/Cl ratio is lower than 1 × 10 −15 with a halite sample. We have measured over 500 samples in 1 year, including samples for earth and environmental sciences and nuclear safety research.
収録刊行物
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- Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms
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Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 268 (7-8), 871-875, 2010-04
Elsevier BV
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詳細情報 詳細情報について
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- CRID
- 1360848657332295552
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- ISSN
- 0168583X
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- 資料種別
- journal article
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- データソース種別
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- Crossref
- KAKEN
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