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Radiation dose rate measurement system and method based on high-purity germanium detector

A high-purity germanium detector and radiation dose rate technology, which is applied in radiation measurement, X/γ/cosmic radiation measurement, X-ray energy spectrum distribution measurement, etc., can solve the problems of wasting resources, workers being irradiated, and cumbersome , to achieve the effect of reducing waste of resources and facilitating the radiation experiment process

Pending Publication Date: 2021-10-01
INNER MONGOLIA UNIV FOR THE NATITIES
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Problems solved by technology

However, this method is cumbersome and wastes resources, and even the staff have the risk of radiation

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  • Radiation dose rate measurement system and method based on high-purity germanium detector
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  • Radiation dose rate measurement system and method based on high-purity germanium detector

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Embodiment Construction

[0042] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0043] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0044] refer to Figure 1-2 As shown, this embodiment provides a radiation dose rate measurement system based on a high-purity germanium detector, including: a measurement unit, a simulation unit, a comparative an...

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Abstract

The invention discloses a radiation dose rate measurement system based on a high-purity germanium detector. The radiation dose rate measurement system comprises a measurement unit, a simulation unit, a comparative analysis unit and a data processing unit, the measurement unit is used for performing an energy spectrum measurement experiment on the energy spectrum of the radiation source to obtain a real energy spectrum of the radiation source; the simulation unit is used for carrying out Monte Carlo simulation on the energy spectrum measurement experiment to obtain a simulation energy spectrum of the radiation source, and the simulation unit also simulates the radiation source under different energies based on the Monte Carlo simulation experiment after parameter optimization to obtain a continuous energy spectrum of the radiation source; the comparative analysis unit is used for comparing and analyzing the real energy spectrum and the simulated energy spectrum, and performing parameter optimization on the Monte Carlo simulation experiment; and the data processing unit is used for performing energy spectrum dose conversion according to the continuous energy spectrum and obtaining the radiation dose rate based on the energy spectrum dose conversion. The energy spectrum-dose conversion function can be accurately obtained by measuring the energy spectrum of the radiation source and combining the Monte Carlo simulation technology, and then the radiation dose rate is obtained.

Description

technical field [0001] The invention relates to the technical field of radiation field dose rate measurement, in particular to a radiation dose rate measurement system and method based on a high-purity germanium detector. Background technique [0002] High-purity germanium (HPGe) detectors are semiconductor detectors. Because of their high energy resolution, they are widely used in gamma (γ) ray energy spectrum measurement in nuclear physics experiments, nuclear technology applications, environmental radiation protection, and food safety. . Gamma rays have a strong penetrating ability, and the human body or biological body working in a high-intensity γ-field or being irradiated by low-dose γ-rays for a long time may cause changes in the DNA in the living body, and may even cause cancer, etc. Repair of radiation damage. At present, gas ionization chambers, scintillation counters and G-M counter tubes are mainly used to measure the total radiation dose in the field environme...

Claims

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Application Information

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IPC IPC(8): G01T1/02G01T1/36
CPCG01T1/026G01T1/366
Inventor 张苏雅拉吐王德鑫黄美容白力嘎
Owner INNER MONGOLIA UNIV FOR THE NATITIES
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