Development of an ion funnel reaction cell for suppression of isobaric interference in chrorin-36 dating

Jinno, Satoshi ; Fujita, Natsuko ; Tanuma, Hajime*

The measurement of chlorine-36 ( $^{36}$ Cl) in AMS, which is important for the dating of saline groundwater, is more difficult than other nuclides due to the isobaric interference by sulfur-36 ( $^{36}$ S). In general, acceleration voltages of 6 MV or higher are required to separate $^{36}$ Cl and $^{36}$ S. Therefore, this study aims to develop an ion funnel reaction cell and incorporate it into the low energy side of JAEA-AMS-TONO-5MV to selectively suppress $^{36}$ S.

Language	:	Japanese
Journal	:	Dai-23-Kai AMS Shimpojiumu Hokokushu
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Number	:
Pages	:	p.89 - 92
Publication Year/Month	:	2022/12
Meeting title	:	第23回AMSシンポジウム(JAMS-23)
Held date	:	2022/12
Location (city)	:	山形
Location (country)	:	日本
Patent information	:
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DOI for research data	:
Keywords	:	加速器質量分析; 負イオン; イオンファネル
Research Facility	:	ペレトロン年代測定装置
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Article of JAEA R&D Review	:
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Registration No. : BB20221226
JAEA Abstracts No. : 51000739
Paper Submission No. : 26682

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