Yield measurements for 7Be and 10Be productions from natCu, natAg and 197Au by bremsstrahlung irradiation at E0=200 MeV

Hiroshi Matsumura; Takahiro Aze; Yasuji Oura; Hidetoshi Kikunaga; Akihiko Yokoyama; Koichi Takamiya; Seiichi Shibata; Tsutomu Otsuki; Hideyuki Yuki; Koh Sakamoto; Hiromitsu Haba; Koshin Washiyama; Hisao Nagai; Hiroyuki Matsuzaki

doi:10.1016/j.nimb.2004.04.149

Yield measurements for ⁷Be and ¹⁰Be productions from ^natCu, ^natAg and ¹⁹⁷Au by bremsstrahlung irradiation at E₀=200 MeV

Hiroshi Matsumura, Takahiro Aze, Yasuji Oura, Hidetoshi Kikunaga, Akihiko Yokoyama, Koichi Takamiya, Seiichi Shibata, Tsutomu Otsuki, Hideyuki Yuki, Koh Sakamoto, Hiromitsu Haba, Koshin Washiyama, Hisao Nagai, Hiroyuki Matsuzaki

Research output: Contribution to journal › Article

1 Citation (Scopus)

Abstract

The yields of ⁷Be and ¹⁰Be produced by bremsstrahlung having a maximum energy (E₀) of 200 MeV in ^natCu, ^natAg and ¹⁹⁷Au targets were investigated by the AMS technique at MALT of the University of Tokyo. It was found that the yields at E₀=200 MeV were much lower than those at E₀≥250 MeV, obtained in our previous works. A change in the yields of the fragmentation component in the target-mass dependence was observed at E₀=200 MeV when compared with those at E₀≥250 MeV. However, the ratios of the fragmentation yield of ¹⁰Be to that of ⁷Be remained unchanged throughout the concerned E₀.

Original language	English
Pages (from-to)	807-811
Number of pages	5
Journal	Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume	223-224
Issue number	SPEC. ISS.
DOIs	https://doi.org/10.1016/j.nimb.2004.04.149
Publication status	Published - 2004 Aug 1
Externally published	Yes

Keywords

Photonuclear reaction
Radiochemical method
Target fragmentation

ASJC Scopus subject areas

Nuclear and High Energy Physics
Instrumentation

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10.1016/j.nimb.2004.04.149

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Matsumura, H., Aze, T., Oura, Y., Kikunaga, H., Yokoyama, A., Takamiya, K., Shibata, S., Otsuki, T., Yuki, H., Sakamoto, K., Haba, H., Washiyama, K., Nagai, H., & Matsuzaki, H. (2004). Yield measurements for ⁷Be and ¹⁰Be productions from ^natCu, ^natAg and ¹⁹⁷Au by bremsstrahlung irradiation at E₀=200 MeV. Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, 223-224(SPEC. ISS.), 807-811. https://doi.org/10.1016/j.nimb.2004.04.149

Yield measurements for ⁷Be and ¹⁰Be productions from ^natCu, ^natAg and ¹⁹⁷Au by bremsstrahlung irradiation at E₀=200 MeV. / Matsumura, Hiroshi; Aze, Takahiro; Oura, Yasuji; Kikunaga, Hidetoshi; Yokoyama, Akihiko; Takamiya, Koichi; Shibata, Seiichi; Otsuki, Tsutomu; Yuki, Hideyuki; Sakamoto, Koh; Haba, Hiromitsu; Washiyama, Koshin; Nagai, Hisao; Matsuzaki, Hiroyuki.

In: Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, Vol. 223-224, No. SPEC. ISS., 01.08.2004, p. 807-811.

Research output: Contribution to journal › Article

Matsumura, H, Aze, T, Oura, Y, Kikunaga, H, Yokoyama, A, Takamiya, K, Shibata, S, Otsuki, T, Yuki, H, Sakamoto, K, Haba, H, Washiyama, K, Nagai, H & Matsuzaki, H 2004, 'Yield measurements for ⁷Be and ¹⁰Be productions from ^natCu, ^natAg and ¹⁹⁷Au by bremsstrahlung irradiation at E₀=200 MeV', Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, vol. 223-224, no. SPEC. ISS., pp. 807-811. https://doi.org/10.1016/j.nimb.2004.04.149

Matsumura H, Aze T, Oura Y, Kikunaga H, Yokoyama A, Takamiya K et al. Yield measurements for ⁷Be and ¹⁰Be productions from ^natCu, ^natAg and ¹⁹⁷Au by bremsstrahlung irradiation at E₀=200 MeV. Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms. 2004 Aug 1;223-224(SPEC. ISS.):807-811. https://doi.org/10.1016/j.nimb.2004.04.149

Matsumura, Hiroshi ; Aze, Takahiro ; Oura, Yasuji ; Kikunaga, Hidetoshi ; Yokoyama, Akihiko ; Takamiya, Koichi ; Shibata, Seiichi ; Otsuki, Tsutomu ; Yuki, Hideyuki ; Sakamoto, Koh ; Haba, Hiromitsu ; Washiyama, Koshin ; Nagai, Hisao ; Matsuzaki, Hiroyuki. / Yield measurements for ⁷Be and ¹⁰Be productions from ^natCu, ^natAg and ¹⁹⁷Au by bremsstrahlung irradiation at E₀=200 MeV. In: Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms. 2004 ; Vol. 223-224, No. SPEC. ISS. pp. 807-811.

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abstract = "The yields of 7Be and 10Be produced by bremsstrahlung having a maximum energy (E0) of 200 MeV in natCu, natAg and 197Au targets were investigated by the AMS technique at MALT of the University of Tokyo. It was found that the yields at E0=200 MeV were much lower than those at E0≥250 MeV, obtained in our previous works. A change in the yields of the fragmentation component in the target-mass dependence was observed at E0=200 MeV when compared with those at E0≥250 MeV. However, the ratios of the fragmentation yield of 10Be to that of 7Be remained unchanged throughout the concerned E0.",

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AU - Aze, Takahiro

AU - Oura, Yasuji

AU - Kikunaga, Hidetoshi

AU - Yokoyama, Akihiko

AU - Takamiya, Koichi

AU - Shibata, Seiichi

AU - Otsuki, Tsutomu

AU - Yuki, Hideyuki

AU - Sakamoto, Koh

AU - Haba, Hiromitsu

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AU - Nagai, Hisao

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AB - The yields of 7Be and 10Be produced by bremsstrahlung having a maximum energy (E0) of 200 MeV in natCu, natAg and 197Au targets were investigated by the AMS technique at MALT of the University of Tokyo. It was found that the yields at E0=200 MeV were much lower than those at E0≥250 MeV, obtained in our previous works. A change in the yields of the fragmentation component in the target-mass dependence was observed at E0=200 MeV when compared with those at E0≥250 MeV. However, the ratios of the fragmentation yield of 10Be to that of 7Be remained unchanged throughout the concerned E0.

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