Research on Fast Neutron ImagingUsing Photostimulated Phosphors

• Project/Area Number: 18560050
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Applied physics, general
• Research Institution: Japan Atomic Energy Agency
• Principal Investigator: SAKASAI Kaoru Japan Atomic Energy Agency, J-PARCセンター, 研究主幹 (00343913)
• Co-Investigator(Kenkyū-buntansha): SOYAMA Kazuhiko 独立行政法人日本原子力研究開発機構, J-PARCセンター, 研究主幹 (90343912)
• Project Period (FY): 2006 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥4,040,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥540,000); Fiscal Year 2008: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000); Fiscal Year 2007: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000); Fiscal Year 2006: ¥1,700,000 (Direct Cost: ¥1,700,000)
• Keywords: 輝尽性蛍光体 / 高速中性子 / イメージング

Research Abstract

電荷を持たないため直接の検出が難しく、しかも人体に有害な、高いエネルギーを有する高速中性子のイメージング或いは検出方法として、輝尽性蛍光体(放射線を光信号に変える物質)とポリエチレン(高速中性子を測定しやすい荷電粒子に変換する物質)を組み合わせた方法について研究した。高速中性子発生には必ずガンマ線が伴うが、高速中性子のみを測定するために、本研究では、ガンマ線に感じにくい輝尽性蛍光体を作成して研究を行い、その方法の有効性を確認した。

Research Products

• [Journal Article] Detection of Fast Neutron by Storage Phosphors With Low Gamma-ray Sensitivity (2008)
  • Author(s): K. Sakasai, Y. Iwamoto, K. Soyama
  • Journal Title: IEEE Transaction on Nuclear Science Vol.55
  • Peer Reviewed
• [Journal Article] Storage Characteristics of SrBPO5:Eu2+ Phosphors by Fast Neutron Irradiation (2008)
  • Author(s): K. Sakasai, Y. Iwamoto, K. Soyama
  • Journal Title: IEEE Nuclear Science Symposium Conference Record (CD-ROM)
• [Journal Article] Detection of Fast Neutron by Storage Phosphors With Low Gamma-ray Sensitivity (2008)
  • Author(s): K. Sakasai, Y. Iwamoto, K. Soyama
  • Journal Title: IEEE Transaction on Nuclear Science 55 Pages: 2352-2356
  • Peer Reviewed
• [Journal Article] Storage Characteristics of SrBPO_5 : Eu^<2+> Phosphors by Fast Neutron Irradiation (2008)
  • Author(s): K. Sakasai, Y. Iwamoto, K. Soyama
  • Journal Title: IEEE Nuclear Science Symposium Conference Record (CD-ROM)
• [Journal Article] Fast Neutron Detection by Storage Phosphors With Low Gamma-ray Sensitivity (2007)
  • Author(s): K. Sakasai, Y. Iwamoto, K. Soyama
  • Journal Title: IEEE Nuclear Science Symposium Conference Record (CD-ROM)
• [Presentation] Storage Characteristics of SrBPO5:Eu2+ Phosphors by Fast Neutron Irradiation (2008)
  • Author(s): K. Sakasai, Y. Iwamoto, K. Soyama
  • Organizer: IEEE Nuclear Science Symposium
  • Place of Presentation: Dresden, Germany
  • Year and Date: 2008-10-20
• [Presentation] Storage Characteristics of SrBPO_5 : Eu^<2+> Phosphors by Fast Neutron Irradiation (2008)
  • Author(s): K. Sakasai, Y. Iwamoto, K. Soyama
  • Organizer: IEEE Nuclear Science Symposium
  • Place of Presentation: ドレスデン(ドイツ)
  • Year and Date: 2008-10-20
• [Presentation] Fast Neutron Detection by Storage Phosphors With Low Gamma-ray Sensitivity (2007)
  • Author(s): K. Sakasai, Y. Iwamoto, K. Soyama
  • Organizer: IEEE Nuclear Science Symposium
  • Place of Presentation: Hawaii, U.S.
  • Year and Date: 2007-10-31
• [Presentation] 低ガンマ線感度輝尽性蛍光体による高速中性子検出 (2007)
  • Author(s): 坂佐井馨、岩元洋介、曽山和彦
  • Organizer: 007年秋季第68回応用物理学会学術講演会
  • Place of Presentation: 札幌