Position-Sensitive Detector in Neutron Tomography and Material Characterization

被引：0

作者：

Idris, Faridah Mohamad ^{[1
]}

Murshidi, Julie Andrianny ^{[1
]}

Mohamed, Abdul Aziz ^{[2
]}

Ashari, Norabidin ^{[3
]}

Yazid, Khairiah ^{[1
]}

Azman, Azraf ^{[4
]}

Abdullah, Wan Ahmad Tajuddin Wan ^{[5
]}

Norjoharuddeen, Nurfikri ^{[5
]}

Baijan, Abdul Halim ^{[1
]}

Sabri, Rokiah ^{[1
]}

Zin, Mohd Faiz Mohd ^{[1
]}

机构：

[1] Agensi Nuklear Malaysia, Kajang 43000, Selangor, Malaysia

[2] Iris Corp, Technol Pk Malaysia, Kuala Lumpur 43000, Malaysia

[3] Malaysian Nucl Soc, Kompleks Niaga Sungai Merab, Sepang, Selangor, Malaysia

[4] Univ Tenaga Nas, Jalan Ikram UNITEN, Kajang 43000, Selangor, Malaysia

[5] Univ Malaya, Natl Ctr Particle Phys, Kuala Lumpur 50603, Malaysia

来源：

FUSION SCIENCE AND TECHNOLOGY | 2020年 / 76卷 / 08期

关键词：

Position-sensitive detector; Small Angle Neutron Scattering; data acquisition;

D O I：

10.1080/15361055.2020.1819749

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

Position-sensitive detectors (PSDs) have been used in neutron tomography and nanostructural characterization of material using neutrons that scattered from a monochromator of highly oriented pyrolytic graphite type, placed directly in the neutron beam in the Small Angle Neutron Scattering (SANS) facility at the Malaysian Nuclear Agency. PSD uses the He-3(n,p) reaction to detect neutrons. Because of the He-3 high neutron cross section of 5333 b at 25.3 meV, a PSD is suitable for neutron detection across its axial direction at a low neutron flux of 10(3) cm(-2) s(-1). Because of its insensitivity toward gamma radiation, the signals from the PSD for real neutrons are relatively easy to analyze. This paper discusses the use of a PSD in neutron tomography and nanostructural characterization of material in the SANS facility at the Malaysian Nuclear Agency.

引用

页码：957 / 961

页数：5

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