Considerations in the design of an improved transportable neutron spectrometer |
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| Affiliation: | 1. Department of Physics, University of Surrey, Guildford GU2 5XH, Surrey, UK;2. Department of Nuclear Science and Technology, HMS Sultan, Gosport, UK;1. Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China;2. CAS Innovative Academy in TMSR Energy System, Shanghai 201800, China;3. University of Chinese Academy of Sciences, Beijing 100049, China;1. UKAEA, Culham Centre for Fusion Energy, Abingdon OX14 3DB, United Kingdom;2. Retired from OECD/NEA, Issy-les-Moulineaux, France;1. School of Environmental Science and Engineering, Shaanxi University of Science and Technology, Xi’an 710021, China;2. College of Biology and the Environment, Nanjing Forestry University, Nanjing 210037, China;3. Tianjin Key Laboratory of Environmental Technology for Complex Trans-Media Pollution, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China;1. Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, CA, 91 109, United States;2. Space Radiation Analysis Group, Johnson Space Center, Houston, TX, 77 058, United States;3. Alan Levin Department of Mechanical and Nuclear Engineering, Kansas State University, Manhattan, KS, 66 506, United States;4. Utah Nuclear Engineering Program, University of Utah, Salt Lake City, UT, 84 112, United States;1. LUNAM University, Oniris, Nantes-Atlantic National College of Veterinary Medicine, Food Science and Engineering, Sanitary Security of Reproduction Biotechnology Unit, Nantes, France;2. INRA, Animal Infectious Diseases and Public Health, Tours, France;3. ANSES, Animal Health Laboratory, Bacterial Zoonosis Unit, Maisons-Alfort, France |
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| Abstract: | The Transportable Neutron Spectrometer (TNS) has been used by the Ministry of Defence for over 15 years to characterise neutron fields in workplace environments and provide local correction factors for both area and personal dosimeters. In light of advances in neutron spectrometry, a programme to evaluate and improve TNS has been initiated. This paper describes TNS, presents its operation in known radioisotope fields and in a reactor environment. Deficiencies in the operation of the instrument are highlighted, together with proposals for updating the response functions and spectrum unfolding methodologies. |
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