Radiation detection device and detection method based on hydrogen-rich perovskite scintillator

Abstract

The invention relates to a radiation detection device and a detection method based on a hydrogen-rich perovskite scintillator, and a purpose is to solve the problem that if the organic scintillator is used in the existing radiation detection device, there is a significant energy response nonlinearity in the response to neutrons and charged particles, which makes it difficult to accurately deduce the information such as the number of neutrons and neutron yield released in the nuclear reaction process according to the neutron response results, resulting in the difficulty in accurately measuring the total amount of nuclear reaction; technical problems that If inorganic scintillators are used, the time response is slow and insensitive to neutrons are further solved. The device comprises a hydrogen-rich perovskite scintillator, a photoelectric conversion device, a power supply and a signal acquisition, analysis and processing unit, wherein a photocathode of the photoelectric conversion device faces the hydrogen-rich perovskite scintillator; the signal acquisition, analysis and processing unit comprises an oscilloscope, an amplifier, a multichannel analyzer and a computer. According to the method, the device is used for discriminating neutrons and gamma rays and obtaining energy.

Description

technical field [0001] The invention relates to a radiation detection device and a detection method, in particular to a radiation detection device and a detection method based on a hydrogen-rich perovskite scintillator. Background technique [0002] Neutrons are regarded as the golden key to unlocking nuclear energy and are used to induce fission of heavy nuclei to release nuclear energy. The processes of nuclear fission and nuclear fusion release neutrons, and the released neutrons carry a large amount of direct information about the process of nuclear reactions. Therefore, the effective detection and high-level diagnosis of neutrons is of great significance, and it is the basis and key for humans to effectively utilize nuclear energy and to understand and grasp the characteristics of nuclear reaction processes. Fast neutron detection is very important for the study of nuclear reaction process. The scintillation detection component composed of hydrogen-containing scintill...

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Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that existing radiation detection devices have a significant non-linear energy response to neutrons and charged particles if organic scintillators are used, making it difficult to accurately infer the neutrons released during the nuclear reaction process based on the neutron response results. Information such as the number of neutrons and the amount of neutrons, and then the total amount of nuclear reactions is difficult to accurately measure. If inorganic scintillators are used, the technical problems of slow time response and insensitivity to neutrons provide a scintillator based on hydrogen-rich perovskite Body radiation detection device and detection method

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