title: A prototype of radioactive waste drum monitor by non-destructive assays using gamma spectrometry.
abstract: In this work, segmented gamma scanning and the gamma emission tomography were used to locate unknown sources in a radioactive waste drum. The simulated detector response function and full energy peak efficiency are compared to corresponding experimental data and show about 5.3% difference for an energy ranging from 81keV to 1332.5keV for point sources. Computation of the corresponding activity is in good agreement with the true values.
authors.affiliation: Department of Nuclear Physics, Faculty of Physics and Engineering Physics, VNUHCM-University of Science, 227, Nguyen Van Cu Street, District 5, Ho Chi Minh City, Vietnam; Nuclear Technique Laboratory, VNUHCM-University of Science, 227, Nguyen Van Cu Street, District 5, Ho Chi Minh City, Vietnam. Electronic address: ttthanh@hcmus.edu.vn.
authors.forename: Tran Thien
authors.initials: TT
authors.lastname: Thanh
authors.affiliation: Department of Nuclear Physics, Faculty of Physics and Engineering Physics, VNUHCM-University of Science, 227, Nguyen Van Cu Street, District 5, Ho Chi Minh City, Vietnam; Nuclear Technique Laboratory, VNUHCM-University of Science, 227, Nguyen Van Cu Street, District 5, Ho Chi Minh City, Vietnam.
authors.forename: Hoang Thi Kieu
authors.initials: HTK
authors.lastname: Trang
authors.affiliation: Nuclear Technique Laboratory, VNUHCM-University of Science, 227, Nguyen Van Cu Street, District 5, Ho Chi Minh City, Vietnam.
authors.forename: Huynh Dinh
authors.initials: HD
authors.lastname: Chuong
authors.affiliation: Department of Nuclear Physics, Faculty of Physics and Engineering Physics, VNUHCM-University of Science, 227, Nguyen Van Cu Street, District 5, Ho Chi Minh City, Vietnam.
authors.forename: Vo Hoang
authors.initials: VH
authors.lastname: Nguyen
authors.affiliation: Department of Nuclear Physics, Faculty of Physics and Engineering Physics, VNUHCM-University of Science, 227, Nguyen Van Cu Street, District 5, Ho Chi Minh City, Vietnam; Nuclear Technique Laboratory, VNUHCM-University of Science, 227, Nguyen Van Cu Street, District 5, Ho Chi Minh City, Vietnam.
authors.forename: Le Bao
authors.initials: LB
authors.lastname: Tran
authors.affiliation: Department of Nuclear Physics, Faculty of Physics and Engineering Physics, VNUHCM-University of Science, 227, Nguyen Van Cu Street, District 5, Ho Chi Minh City, Vietnam; Faculty of Physics, Ho Chi Minh City University of Pedagogy, 280, An Duong Vuong Street, District 5, Ho Chi Minh City, Vietnam.
authors.forename: Hoang Duc
authors.initials: HD
authors.lastname: Tam
authors.affiliation: Department of Nuclear Physics, Faculty of Physics and Engineering Physics, VNUHCM-University of Science, 227, Nguyen Van Cu Street, District 5, Ho Chi Minh City, Vietnam; Nuclear Technique Laboratory, VNUHCM-University of Science, 227, Nguyen Van Cu Street, District 5, Ho Chi Minh City, Vietnam.
authors.forename: Chau Van
authors.initials: CV
authors.lastname: Tao
keywords: Gamma emission tomography; Point spread function; Segmented gamma scanning; Waste drum