Liquid flash measurement method for changing quenching state by using electron beam

A measurement method and electron beam technology, applied in the field of nuclear radiation or X-ray radiation measurement, can solve the problems of result error, time-consuming calibration process, easy to change the properties of standard samples, etc. Effect

Inactive Publication Date: 2020-01-17
梁金胜
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  • Description
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Problems solved by technology

It can be seen that these calibration methods all require a relatively cumbersome quenching calibration process. Before using the liquid scintillation measuring instrument, the calibr

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  • Liquid flash measurement method for changing quenching state by using electron beam
  • Liquid flash measurement method for changing quenching state by using electron beam
  • Liquid flash measurement method for changing quenching state by using electron beam

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with the accompanying drawings. As described in the background technology, there are many ways to characterize the quenching degree. For example, the principles and calculation methods of the TDCR value mentioned in the present invention and other commonly used characterization parameters (SCR, SIS, ESR, H value, etc.) that are not mentioned belong to the prior art, and the present invention uses TDCR as an example , not to say that only this value is applicable, other values ​​are also applicable, and DPM and CPM are also fixed terms in this field, and have their well-known meanings. The abbreviations mentioned in the present invention are all well-known definitions, and are not included in the description Let me repeat.

[0023] to combine figure 1 and figure 2 , the liquid scintillation measuring instrument of the present invention includes a sample carrying unit (1), a driving unit (2), a measur...

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Abstract

The invention provides a measurement method for changing a quenching state by using an electron beam. The method is based on influence of the electron beam on the quenching degree of a standard sample, a TDCR value principle is combined, dependence on CMP of a to-be-measured sample is broken through, the TDCR value serves as transition, the DPM of the standard sample and the DPM of the to-be-measured sample are associated, a better fitting curve is selected through the fitting degree, a calculation method is simple, operation on the standard sample is avoided, and the measurement precision isimproved.

Description

technical field [0001] The present invention relates to the measurement of nuclear radiation or X-ray radiation, specifically the field of measurement of X-ray radiation, γ-ray radiation, microparticle radiation or cosmic ray radiation, and especially relates to the measurement of the radiation intensity of a scintillation detector in which the scintillator is liquid, specifically A liquid scintillation measurement method that uses an electron beam to change the quenching state. Background technique [0002] Liquid scintillation measurement (referred to as liquid scintillation) technology is an effective method for measuring low-energy beta rays developed in the early 1950s, and can also be used to detect other nuclear radiation, for example, it can be used to detect alpha rays, neutrons, gamma Radiation such as Ma ray, liquid scintillation measuring instrument is widely used in many aspects such as industry, agriculture, biology, chemistry, medicine, pharmacy, geology, hy...

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Application Information

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IPC IPC(8): G01T1/204
CPCG01T1/204G01T1/2042
Inventor 梁金胜
Owner 梁金胜
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