IEEE Nuclear Science Symposium / Medical Imaging Conference (NSS/MIC)
会议论文集名称：
IEEE Nuclear Science Symposium and Medical Imaging Conference
会议时间：
OCT 26-NOV 02, 2019
会议地点：
Manchester, ENGLAND
会议主办单位：
[Cooke, C.;Velthuis, J. J.;Beck, L.;Martin, P.] Univ Bristol, HH Wills Phys Lab, Sch Phys, Tyndall Ave, Bristol BS8 1TL, Avon, England.^[Velthuis, J. J.] Univ South China, Sch Nucl Sci & Technol, 28 West Changsheng Rd, Hengyang, Peoples R China.
会议赞助商：
IEEE
出版地：
345 E 47TH ST, NEW YORK, NY 10017 USA
出版者：
IEEE
ISBN：
978-1-7281-4164-0
机构署名：
本校为其他机构
院系归属：
核科学技术学院
摘要：
For homeland security applications, it is of high importance to locate radioactive sources. This is usually done using networks of sensors. We developed a technique to obtain the distance between the source and detector using a single detector without knowledge of the source activity. The percentage of detected counts in a radiation detector with energies lower than the photopeak is used to find the distance between the detector and stationary gamma source. This method has been tested using Geant4 simulations for Cs-137, Co-60 and U-235, and experimentally confirmed for Cs-137. A very strong c...
