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Fusion Science and Technology
Latest News
College students help develop waste-measuring device at Hanford
A partnership between Washington River Protection Solutions (WRPS) and Washington State University has resulted in the development of a device to measure radioactive and chemical tank waste at the Hanford Site. WRPS is the contractor at Hanford for the Department of Energy’s Office of Environmental Management.
Faridah Mohamad Idris, Julie Andrianny Murshidi, Abdul Aziz Mohamed, Norabidin Ashari, Khairiah Yazid, Azraf Azman, Wan Ahmad Tajuddin Wan Abdullah, Nurfikri Norjoharuddeen, Abdul Halim Baijan, Rokiah Sabri, Mohd Faiz Mohd Zin
Fusion Science and Technology | Volume 76 | Number 8 | November 2020 | Pages 957-961
Technical Paper | doi.org/10.1080/15361055.2020.1819749
Articles are hosted by Taylor and Francis Online.
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 3He(n,p) reaction to detect neutrons. Because of the 3He 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 103 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.