Measurement of Activation Cross Sections on Tantalum and Tungsten with 14 MeV Neutrons

Yoshimi Kasugai; Masato Asai; Akihiko Tanaka; Hiroshi Yamamoto; Kiyoshi Kawade

doi:10.3327/jnst.31.1248

Measurement of Activation Cross Sections on Tantalum and Tungsten with 14 MeV Neutrons

Yoshimi Kasugai, Masato Asai, Akihiko Tanaka, Hiroshi Yamamoto, Kiyoshi Kawade

Research output: Contribution to journal › Article

Abstract

The cross sections of ¹⁸¹Ta(n,p)¹⁸¹Hf, ¹⁸¹Ta(n, np>)^180mHf, ¹⁸⁴W(n,α)¹⁸¹Hf, ¹⁸⁶W(n, np)¹⁸⁵Ta and ¹⁸⁶(n, α)¹⁸³Hf reactions have been measured in the energy range between 13.4 and 14.9 MeV by the activation method. The intense 14 MeV neutron source facility (OKTAVIAN) at Osaka University was used for irradiation. The γ-rays emitted from the irradiated samples were measured with high-purity germanium (HPGe) detectors. All cross section values were obtained relative to the standard reaction cross section of ⁹³Nb(n, 2n)^92mNb obtained by Netha way. The cross sections of ¹⁸¹Ta(n, np)^180mHf reaction were measured for the first time. The present results were compared with previous data and the evaluated data of JENDL-3 and ENDF/B-VI, and the comparison showed that some significant discrepancies exist.

Original language	English
Pages (from-to)	1248-1254
Number of pages	7
Journal	journal of nuclear science and technology
Volume	31
Issue number	12
DOIs	https://doi.org/10.3327/jnst.31.1248
Publication status	Published - Jan 1 1994
Externally published	Yes

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics
Nuclear Energy and Engineering

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Kasugai, Y., Asai, M., Tanaka, A., Yamamoto, H., & Kawade, K. (1994). Measurement of Activation Cross Sections on Tantalum and Tungsten with 14 MeV Neutrons. journal of nuclear science and technology, 31(12), 1248-1254. https://doi.org/10.3327/jnst.31.1248

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title = "Measurement of Activation Cross Sections on Tantalum and Tungsten with 14 MeV Neutrons",

abstract = "The cross sections of 181Ta(n,p)181Hf, 181Ta(n, np>)180mHf, 184W(n,α)181Hf, 186W(n, np)185Ta and 186(n, α)183Hf reactions have been measured in the energy range between 13.4 and 14.9 MeV by the activation method. The intense 14 MeV neutron source facility (OKTAVIAN) at Osaka University was used for irradiation. The γ-rays emitted from the irradiated samples were measured with high-purity germanium (HPGe) detectors. All cross section values were obtained relative to the standard reaction cross section of 93Nb(n, 2n)92mNb obtained by Netha way. The cross sections of 181Ta(n, np)180mHf reaction were measured for the first time. The present results were compared with previous data and the evaluated data of JENDL-3 and ENDF/B-VI, and the comparison showed that some significant discrepancies exist.",

author = "Yoshimi Kasugai and Masato Asai and Akihiko Tanaka and Hiroshi Yamamoto and Kiyoshi Kawade",

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T1 - Measurement of Activation Cross Sections on Tantalum and Tungsten with 14 MeV Neutrons

AU - Kasugai, Yoshimi

AU - Asai, Masato

AU - Tanaka, Akihiko

AU - Yamamoto, Hiroshi

AU - Kawade, Kiyoshi

PY - 1994/1/1

Y1 - 1994/1/1

N2 - The cross sections of 181Ta(n,p)181Hf, 181Ta(n, np>)180mHf, 184W(n,α)181Hf, 186W(n, np)185Ta and 186(n, α)183Hf reactions have been measured in the energy range between 13.4 and 14.9 MeV by the activation method. The intense 14 MeV neutron source facility (OKTAVIAN) at Osaka University was used for irradiation. The γ-rays emitted from the irradiated samples were measured with high-purity germanium (HPGe) detectors. All cross section values were obtained relative to the standard reaction cross section of 93Nb(n, 2n)92mNb obtained by Netha way. The cross sections of 181Ta(n, np)180mHf reaction were measured for the first time. The present results were compared with previous data and the evaluated data of JENDL-3 and ENDF/B-VI, and the comparison showed that some significant discrepancies exist.

AB - The cross sections of 181Ta(n,p)181Hf, 181Ta(n, np>)180mHf, 184W(n,α)181Hf, 186W(n, np)185Ta and 186(n, α)183Hf reactions have been measured in the energy range between 13.4 and 14.9 MeV by the activation method. The intense 14 MeV neutron source facility (OKTAVIAN) at Osaka University was used for irradiation. The γ-rays emitted from the irradiated samples were measured with high-purity germanium (HPGe) detectors. All cross section values were obtained relative to the standard reaction cross section of 93Nb(n, 2n)92mNb obtained by Netha way. The cross sections of 181Ta(n, np)180mHf reaction were measured for the first time. The present results were compared with previous data and the evaluated data of JENDL-3 and ENDF/B-VI, and the comparison showed that some significant discrepancies exist.

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