High-energy neutron reference fields for the calibration of detectors used in neutron spectrometry |
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| Affiliation: | 1. Physikalisch-Technische Bundesanstalt, Section 6.42, PO Box 3345, Bundesallee 100, D-38116 Braunschweig, Germany;2. Physics Department, University of Cape Town, Rondebosch 7700, South Africa;3. National Accelerator Centre, PO Box 72, Faure 7131, South Africa;4. Institut de Physique Nucléaire, Université Catholique de Louvain, Chemin du cyclotron 2, B-1348 Louvain-la-Neuve, Belgium;1. Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan;2. Atomic Energy Research Institute, Kinki University, 3-4-1 Kowakae, Higashiosaka-shi, Osaka 577-8502, Japan;1. Nuclear Energy and Safety Division (NES), Paul Scherrer Institute (PSI), 5232 Villigen, Switzerland;2. Swiss Federal Institute of Technology, Department of Mechanical and Process Engineering, 8092 Zürich, Switzerland;3. Research with Neutrons and Muons (NUM), Paul Scherrer Institute (PSI), 5232 Villigen, Switzerland;1. Nuclear Science and Technology Development Center, National Tsing Hua University, No. 101, Section 2, Kuang-Fu Road, Hsinchu 30013, Taiwan, ROC;2. Institute of Nuclear Engineering and Science, National Tsing Hua University, No. 101, Section 2, Kuang-Fu Road, Hsinchu 30013, Taiwan, ROC;1. Department of Nuclear Engineering and Radiological Sciences, University of Michigan, Ann Arbor, MI 48109, USA;2. European Commission Joint Research Centre, Institute for the Protection and Security of the Citizen Via Enrico Fermi, 2749 21027 Ispra VA, Italy |
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| Abstract: | Quasi-monoenergetic reference neutron beams in the energy range between 20 and 100 MeV have been produced and characterized with a proton recoil telescope, a scintillation spectrometer, a 238U fission chamber and a Bonner sphere spectrometer. The beams are well suited for the calibration of detectors used in neutron spectrometry. A new method is described which reduces the correction for the contribution from low-energy neutrons present in the beams. |
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