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Indirectly water-cooled production target at J-PARC hadron facility

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Abstract

After the radioactive material leak accident at the J-PARC hadron experimental facility on May 23, 2013, we designed a new production target, which is capable of a primary proton beam with the energy of 30 GeV and power of 50 kW. It is made of gold and cooled by water through a copper block. For the countermeasures of the recurrence of the accident, the target is enclosed by an airtight chamber and helium gas is circulated to monitor the target soundness. In this paper, technical details of the new target design are presented.

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Authors and Affiliations

  1. Institute of Particle and Nuclear Studies, KEK, 1-1 Oho, Tsukuba, Ibaraki, 305-0801, Japan

    H. Takahashi, K. Agari, K. Aoki, E. Hirose, M. Ieiri, R. Iwasaki, Y. Katoh, M. Minakawa, R. Muto, Y. Sato, S. Sawada, Y. Shirakabe, Y. Suzuki, K. H. Tanaka, A. Toyoda, H. Watanabe & Y. Yamanoi

  2. Radiation Science Center, KEK, 1-1 Oho, Tsukuba, Ibaraki, 305-0801, Japan

    M. Hagiwara

  3. Department of Physics, Kyoto University, Kitashirakawa, Sakyo, Kyoto, 606-8502, Japan

    M. Naruki

  4. Research Center for Nuclear Physics, Osaka University, 10-1 Mihogaoka, Osaka, Ibaraki, 567-0047, Japan

    H. Noumi

Authors
  1. H. Takahashi
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  2. K. Agari
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  3. K. Aoki
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  4. M. Hagiwara
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  5. E. Hirose
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  6. M. Ieiri
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  7. R. Iwasaki
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  8. Y. Katoh
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  9. M. Minakawa
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  10. R. Muto
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  11. M. Naruki
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  12. H. Noumi
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  13. Y. Sato
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  14. S. Sawada
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  15. Y. Shirakabe
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  16. Y. Suzuki
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  17. K. H. Tanaka
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  18. A. Toyoda
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  19. H. Watanabe
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  20. Y. Yamanoi
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Corresponding author

Correspondence to H. Takahashi.

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Takahashi, H., Agari, K., Aoki, K. et al. Indirectly water-cooled production target at J-PARC hadron facility. J Radioanal Nucl Chem 305, 803–809 (2015). https://doi.org/10.1007/s10967-015-3940-9

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  • DOI: https://doi.org/10.1007/s10967-015-3940-9

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