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Browsing by Author Pham, Duc Khue

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  • Experimental determination of enrichment of uranium material by gamma-spectroscopic technique

    • Authors: Bui, Van Loat; Le, Tuan Anh; Nguyen, Cong Tam; Pham, Duc Khue; Bui, Minh Hue (2013)

  • During the last years, as the international illicit traffic of radioactive/ fissionable materials have increased, it became important to be able to apply fast reliable methods for the uranium enrichment determination. In order to determine the uranium enrichment the activity ratios of 234U/235U and 238U/235Uwas measured. Uranium isotopic abundance can be determined by alpha spectrometry and mass- spectrometry methods, which are destructive methods. In this work the non-destructive gamma – spectroscopic method for uranium enrichment is presented. The method is applicable to material of any physical form and geometrical shape, and does not require the use of reference materials nor the ...
  • 59.pdf.jpg
  • Article

  • Measurement of some characteristics of the BEGe detector

    • Authors: Bui, Van Loat; Le, Tuan Anh; Dong, Van Thanh; Nguyen, The Nghia; Pham, Duc Khue (2012)

  • Nowadays, semiconductor detectors, in general, and high purity gemanium detectors (HPGe) in particular are widely used in various fields of experimental nuclear physics. In gamma ray experiments, energy resolution and the efficiency are very important characteristics of detectors. In this paper, the gamma standard sources such as 137Cs, 57Co, 60Co, 54Mn, 133Ba, and 109Cd were used to study the characteristics of the BEGe 3050 detector. The methods of determining the absolute photo- peak efficiency and the dependence of the energy resolution on γ-ray energy are presented.

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Browsing by Author Pham, Duc Khue

Jump to: 0-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
or enter first few letters:  
Showing results 1 to 2 of 2
  • 80.pdf.jpg
  • Article

  • Experimental determination of enrichment of uranium material by gamma-spectroscopic technique

    • Authors: Bui, Van Loat; Le, Tuan Anh; Nguyen, Cong Tam; Pham, Duc Khue; Bui, Minh Hue (2013)

  • During the last years, as the international illicit traffic of radioactive/ fissionable materials have increased, it became important to be able to apply fast reliable methods for the uranium enrichment determination. In order to determine the uranium enrichment the activity ratios of 234U/235U and 238U/235Uwas measured. Uranium isotopic abundance can be determined by alpha spectrometry and mass- spectrometry methods, which are destructive methods. In this work the non-destructive gamma – spectroscopic method for uranium enrichment is presented. The method is applicable to material of any physical form and geometrical shape, and does not require the use of reference materials nor the ...
  • 59.pdf.jpg
  • Article

  • Measurement of some characteristics of the BEGe detector

    • Authors: Bui, Van Loat; Le, Tuan Anh; Dong, Van Thanh; Nguyen, The Nghia; Pham, Duc Khue (2012)

  • Nowadays, semiconductor detectors, in general, and high purity gemanium detectors (HPGe) in particular are widely used in various fields of experimental nuclear physics. In gamma ray experiments, energy resolution and the efficiency are very important characteristics of detectors. In this paper, the gamma standard sources such as 137Cs, 57Co, 60Co, 54Mn, 133Ba, and 109Cd were used to study the characteristics of the BEGe 3050 detector. The methods of determining the absolute photo- peak efficiency and the dependence of the energy resolution on γ-ray energy are presented.