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

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

  • 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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    [1] . Hofmann H J, Bonani G et al. Nuclear Instruments and Methods in Physics Research B, 1987, 29: 32-362. Norris T L, Gancarz A J, Rokop D J et al. Journal of Geo-physical Research, 1983, 88: 331-3333. Davis R Jr, Schae er O A. Ann. N. Y. Acad. Sci., 1955,62: 105-1224. MA Pei-Xue, GUO Zhi-Yu, LI Kun et al. Advance in Earth Sciences, 1998, 13(1): 101-1145. SHAO Qing-Feng, GAO Bin. Carsologica Sinica, 2006,25(3) 195-1996. GUO Zhao-Yan, Dal D, GUO Zheng-Tang. Quayernary Sci-ences, 2000, 20(5): 409-4217. YIWei-Xi, SHENG Cheng-De, OUYANG Zi-Yuan. NuclearTechniques, 1991, 14(1): 33-35 8. YI Wei-Xi, SHENG Cheng-De, ZHONG Hong-Hai.Geochimica, 1994, 23(3): 262-268 9. Kazuho Horiucji Hiroyuki Matsuzaki Eduard Osiberia etal. Nuclear Instruments and Methods in Physics ResearchB, 2004, 223-224: 633-63810. Kim K J, Englert P A J. Nuclear Instruments and Methodsin Physics Research B, 2004, 223-224: 639-64411. LIU K X, GAO H L, ZHOU L P. Nuclear Instruments and Methods in Physics Research B, 2004, 223-224: 168-17112. SHEN Cheng-De, YI Wei-Xi, LI Kun et al. Advance in Earth Sciences, 1995, 10(6): 590-596 13. JIANG Shan, JIANG Song-Sheng, WANG Xun et al.Atomic Energy Saience and Technology, 1991, 25(3): 40-44

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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.
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. shu
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Received: 2008-07-17
Revised: 1900-01-01
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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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