SYMPOSIA PAPER Published: 01 January 2001

Development of Calibration Fields of Intermediate Neutrons by Using Several Sources


Intermediate neutron Fields were developed using three different neutron sources, i.e., a 124Sb-Be photoneutron source, an iron filtered neutron beam from the Kyoto University Reactor (KUR), and a Sc(p,n)Ti reaction using an electrostatic accelerator at the Electrotechnical Laboratory (ETL). Neutron fluences of the iron filtered neutron beam and the neutron generated by Sc(p,n)Ti reaction were measured by a 3He or hydrogen gas proportional counter. Neutron emission rate of the 124Sb-Be source was measured by a manganese bath method developed at the ETL. Neutron energy spectra were simulated by MCNP-4 code. Field properties were then studied and compared.

Author Information

Takeda, N
Electrotechnical Laboratory, Ibaraki, Japan
Kudo, K
Electrotechnical Laboratory, Ibaraki, Japan
Fujishiro, M
Research Institute for Advanced Science and Technology, Osaka Prefecture University, Osaka, Japan
Okamoto, K
Research Reactor Institute, Kyoto University, Osaka, Japan
Kobayashi, K
Research Reactor Institute, Kyoto University, Osaka, Japan
Yoshimoto, T
Research Reactor Institute, Kyoto University, Osaka, Japan
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Developed by Committee: E10
Pages: 367–374
DOI: 10.1520/STP13618S
ISBN-EB: 978-0-8031-5450-6
ISBN-13: 978-0-8031-2884-2