The trapped electron mean-life in Luochuan Loess and ESR chronology

Sizhao Jin; Renyou Liang; Zicheng Peng; Peihua Huang

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The trapped electron mean-life in Luochuan Loess and ESR chronology

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- The trapped electron mean-life in Luochuan Loess and ESR chronology
- Nuclear Techniques Vol. 11, Issue 11, (1988)
- 作者机构：
  
  中国科技大学
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：1988-11
- 稿件说明：
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Sizhao Jin, Renyou Liang, Zicheng Peng, et al. The trapped electron mean-life in Luochuan Loess and ESR chronology[J]. Nuclear techniques, 1988, 11(11): 46-48.
DOI：

Sizhao Jin, Renyou Liang, Zicheng Peng, et al. The trapped electron mean-life in Luochuan Loess and ESR chronology[J]. Nuclear techniques, 1988, 11(11): 46-48. DOI：

摘要

本文采用等温退火的实验方法，将洛川黄土样品在同一温度下加热退火不同的时间，然后在不同的温度下重复实验，得到样品中石英颗粒的

′中心在室温下的平均寿命为6.66×10

a，活化能为1.35eV，频率因子为3.67×10

，证明了洛川黄土的ESR年龄值的可信性。

Abstract

In order to determine the mean-life of

' centre of quartz grains in Luochuan Loess

isothermally annealing experiments have been carried out. Samples are heated several times with different duration at the same temperature. Then the experiments are repeated at different temperatures. The result shows that the mean-life of

′

centre of the quartz sample at ambient temperature (20℃)τ=6.66×10

the activation energy

=1.35eV

and the frequency factor

=3.67×10

关键词

Keywords

references

黄培华等，科学通报， 31 （ 1986 ）， 6 ： 453 。

金嗣炤等，洛川黄土的ESR研究，科学通报（将出版）。

刘东生等，黄土与环境，科学出版社， 1985 年，第49、458页。

Y. Yokoyama , et al . , PACT , 8 （ 1983 ）, 9 : 371 .

M. Ikeya and T. Miki , ESR dating and dosimetry , IONICS , Tokyo, Japan , 1985 , p. 181 .

P.L. Smolyanskiy and V.L. Masaytis , Doklady Academy, Nauk SSSR , 248 （ 1979 ）, 1428 .

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Related Institution

Institute of Nuclear Physics and Chemistry, China Academy of Engineering Physics

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