AMS measurement of In-situ produced cosmogenic <SUP>10</SUP>Be in Loess Quartz in Luochuan

DOU Yu-Ling; LIN Min; HE Ming; TUO Fei; LI Chao-Li; WU Wei-Ming; JIANG Shan

Chinese Physics C> 2008, Vol. 32> Issue(S2) : 279-283

AMS measurement of In-situ produced cosmogenic ¹⁰Be in Loess Quartz in Luochuan

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Abstract：
Loess is the most important and the most typical continental classic sediments of Quaternary. So the measurement of In-situ produced cosmogenic ¹⁰Be is expected to be used for the Loess stratigraphic age. But the production rate of In-situ produced cosmogenic ¹⁰Be in Loess quartz is very low. It requires very high sensitivity and accuracy of measurement. This work has measured the concentrations of ¹⁰Be of two layers in Loess section of Luochuan including L8, L9 and the concentrations of ¹⁰Be in (of) blank sample with the HI-13 AMS system at China Insitute of Atomic Energy(CIAE), then calculated the content of ¹⁰Be in loess quartz for each layer. The ratio of ¹⁰Be/⁹Be was found in the range of 10^－13. The background of ¹⁰Be/⁹Be was about 3×10^－14.

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DOU Yu-Ling, LIN Min, HE Ming, TUO Fei, LI Chao-Li, WU Wei-Ming and JIANG Shan. AMS measurement of In-situ produced cosmogenic ¹⁰Be in Loess Quartz in Luochuan[J]. Chinese Physics C, 2008, 32(S2): 279-283.

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Received: 2008-07-17
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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

AMS measurement of In-situ produced cosmogenic ¹⁰Be in Loess Quartz in Luochuan

Corresponding author: DOU Yu-Ling,

Received Date: 2008-07-17

Accepted Date: 1900-01-01

Available Online: 2008-01-03

Abstract: Loess is the most important and the most typical continental classic sediments of Quaternary. So the measurement of In-situ produced cosmogenic ¹⁰Be is expected to be used for the Loess stratigraphic age. But the production rate of In-situ produced cosmogenic ¹⁰Be in Loess quartz is very low. It requires very high sensitivity and accuracy of measurement. This work has measured the concentrations of ¹⁰Be of two layers in Loess section of Luochuan including L8, L9 and the concentrations of ¹⁰Be in (of) blank sample with the HI-13 AMS system at China Insitute of Atomic Energy(CIAE), then calculated the content of ¹⁰Be in loess quartz for each layer. The ratio of ¹⁰Be/⁹Be was found in the range of 10^－13. The background of ¹⁰Be/⁹Be was about 3×10^－14.

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AMS measurement of In-situ produced cosmogenic ¹⁰Be in Loess Quartz in Luochuan

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AMS measurement of In-situ produced cosmogenic ¹⁰Be in Loess Quartz in Luochuan

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通讯作者: 陈斌, bchen63@163.com

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AMS measurement of In-situ produced cosmogenic 10Be in Loess Quartz in Luochuan

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AMS measurement of In-situ produced cosmogenic ¹⁰Be in Loess Quartz in Luochuan

AMS measurement of In-situ produced cosmogenic ¹⁰Be in Loess Quartz in Luochuan