Numajiri Masaharu 沼尻正晴

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NUMAJIRI Masaharu 沼尻正晴

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Researcher Number	20189385
Other IDs
Affiliation (Current)	2025: 大学共同利用機関法人高エネルギー加速器研究機構, 放射線科学センター, シニアフェロー
Affiliation (based on the past Project Information) *help	1997 – 2004: High Energy Accelerator Research Organization, Radiation Science Center, 放射線科学センター, 助手 1996: National Laboratory for High Energy, Radiation Safety Controle Center, 放管, 助手 1991 – 1996: 高エネルギー物理学研究所, 放射線安全管理センター, 助手 1995: High Energy Accelerator Organization Institute of Particle and Nuclear Studies,, 放射線科学センター, 助手 1994: 高エネルギー物理学研究所, 放管, 助手
Review Section/Research Field	Principal Investigator Nuclear engineering / Nuclear engineering Except Principal Investigator 高分子構造・物性(含繊維) / Nuclear engineering / Nuclear engineering / 素粒子・核・宇宙線 / Applied physics, general / Physical chemistry / 高分子合成
Keywords	Principal Investigator spallation reaction / accelerator / 生成断面積 / 陽子加速器 / cross section / γ線測定 / 放射能 / 放射化検出器 / production cross section / high energy proton / 核破砕反応 / 高エネルギー陽子 … More Except Principal Investigator … More 陽電子消滅 / 高分子 / ポジトロニウム / free volume / polymer / positron annihilation / 自由体積 / radio isotopes / thin film / slow positron / pulsed beam / 低速陽電子 / 多層膜境界面 / 多層膜 / 薄膜 / エポキシ樹脂 / 放射化検出器 / コンクリート / 加速器 / トリチウム / Low K film / パルス化 / positronium / 極低温 / 捕捉電子 / surface / 複合材料 / 陽電子の寿命 / シアネート樹脂 / INTEGRATED CIRCUITS / FREE VOLUME HOLES / EPOXY RESINS / POLYMERIZATION / POLYMER / POSITRON ANNIHILATION / 硬化過程 / 放射線損傷 / 高分子材料 / Monte Carlo / deep penetration / shielding experiment / activation detector / neutron field / concrete shield / spallation neutron / 減弱距離 / モンテカルロ / 深層透過 / 陽子加速器 / 遮蔽実験 / 中性子場 / 核破砕中性子 / Tritium / Chlorine-36 / Concrete / AMS / Radioactivity / Clearance / Activated Materials / Accelerator / EGS-4 / 塩素-36 / 加速器質量分析 / 核種分析 / クリアランス / 放射化物 / 加速器施設 / radiation monitoring system / separation and enrichment / slack(gas) monitor / environmental radioactivity / accelerator / polyimide / tritium / hollow-filament type membrane / 電離箱 / 放射線モニタリングシステム / 分離濃縮 / 排気モニター / 環境放射能 / ポリイミド / 中空糸分離膜 / 低誘電率膜 / light breaching / freezing of movement / low temperature / trapped electron / 光効果 / 分子間ポテンシャル / 高分子の凍結 / glass transtion / rotation / relaxation / イオン化 / 電子の浅いトラップ / 陽電子寿翁 / ベータ転移 / ガンマ転移 / ポテンシャル / 高分子構造の凍結 / 緩和現象 / 回転運動 / 高分子緩和 / 陽電子の寿命測定 / パルス化効率 / ドップラー幅 / 高分子表面 / 短パルス化 / 低速陽電子ビーム / Epoxy resin / Positronium / Lifetime / Cyanate / Free Volume / Polymerization / Thermosetting resin / Positron Annihilation / エポチシ樹脂硬化過程 / 重合度 / 硬化反応 / 重合反応 / 熱硬化性樹脂 / マグネティック・ホーン / ニュートリノ・ビーム / 原子核ビーム / 速い取り出し / スーパーサイクル運転 / ビームライン / ニュートリノビーム / 時分割 / 大強度ビーム / 偏極ビーム / 核ビーム / 多機能化 / スーパーサイクル / Beam Line / Neutrino Beam / Time Sharing / High Intensity Beam / Polarized Beam / Nuclear Beam / Multi-function / Super-cycle / POLYETHYLRNE / POSITONIUM / ポリプロピレン / 陽電子照射効果 / ガンマ線照射効果 / ビスフェノールAヂシアネート / 吸水率 / Nuclear Waste Transmutation / Japan Hadron Facility / Kaon Factory / Ceramics Seal / Mineral Insulation / Radiation Resistivity / Mineral Insulation Coil / High Intensity Beam Line / 耐放射線 / 無機絶縁ケーブル / 大電流導体 / 大強度ビーム輸送 / 電磁石 / 消滅処理 / 大型ハドロン計画 / K中間子工場 / セラミック・シール / 無機絶縁 / 耐放射線性 / ミネラル・インシュレーション・ケーブル / 大強度ビームライン / Target Fragmentation / Coulomb Disintegration / Nuclear Beam Acceleration / Keen Beam Monitor / Bragg Curve Counter / Nuclear Fragment detecta / Projectile Fragmentation / Nuclear Beam Transport / High-Energy Heavy Ion / 超高感度ビームモニター / クーロン分離 / 核ビーム加速 / 高感度ビームモニター / ブラ-グ・カーブ・カウンター / 核破砕片検出器 / 入射核破砕反応 / 核ビーム輸送 / 高エネルギー重イオン / Radiation-induced Doping / Conducting Polymer / Gamma-ray Irradiation / Solid State Detecter / Polyaniline / Radiation Dosimetry / Y線照射 / 電子線照射 / ドーピング / gamma線照射 / ド-ピング / 導電性高分子 / γ線照射 / 固体線量計 / ポリアニリン / 線量測定 / POLYETHYLENE / POSITRONIUM / 超延伸ポリエチレン / 結晶化度 / 熱酸化 / 集積回路 / 空孔 / ポリエチレン / 放射線遮蔽 / 核反応データ / 核破砕反応 / ビームモニター / ビーム輸送 / ビーム光学 / 原子核物理実験 / 加速器科学 Less

Measurement of production cross sections for high energy proton reaction with Hg, Pb, Bi targets used as spallation neutron sourcePrincipal Investigator
- Principal Investigator
  
  NUMAJIRI Masaharu
- Project Period (FY)
  2003 – 2004
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Nuclear engineering
- Research Institution
  High Energy Accelerator Research Organization (KEK)
  高エネルギー加速器研究機構
Development of the evaluation method of radioactivity in materials obtained from garious accelerator facilities
- Principal Investigator
  
  SHIBATA Tokushi
- Project Period (FY)
  2002 – 2004
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Nuclear engineering
- Research Institution
  High Energy Accerelator Research Organization
  高エネルギー加速器研究機構
Deep penetration and activation studies using the high energy neutron field
- Principal Investigator
  
  NAKAO Noriaki
- Project Period (FY)
  2002 – 2003
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Applied physics, general
- Research Institution
  高エネルギー加速器研究機構
Free volume in a thin film of epoxy resine coated on a metal base studied by positron annihilation
- Principal Investigator
  
  SUZUKI Takenori
- Project Period (FY)
  2002 – 2003
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  高分子構造・物性(含繊維)
- Research Institution
  High Energy Accelerator Research Organization
A Pulsed Slow Positron Beam Apparatus and its Application to Thin Polymer Films
- Principal Investigator
  
  SUZUKI Takenori
- Project Period (FY)
  2000 – 2002
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  高分子構造・物性(含繊維)
- Research Institution
  High Energy Accelerator Research Organization
Study on basic characteristics of hollow filament polyimide membrane in tritium separation and its application to tritium monitors
- Principal Investigator
  
  SASAKI Shinichi
- Project Period (FY)
  2000 – 2001
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Nuclear engineering
- Research Institution
  High Energy Accelerator Researcgh Organization(KEK)
Production Cross-Sections by Nuclear Reaction with High Energy ProtonPrincipal Investigator
- Principal Investigator
  
  NUMAJIRI Masaharu
- Project Period (FY)
  2000 – 2001
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Nuclear engineering
- Research Institution
  KEK, High Energy Accelerator Research Organization
Study on the light breaching effect on positron annihilation
- Principal Investigator
  
  KONDO Kenjiro
- Project Period (FY)
  1999 – 2000
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Physical chemistry
- Research Institution
  High Energy Accelerator Research Organization
The relation between free volume and relaxation behavior studied by positron annihilation
- Principal Investigator
  
  SUZUKI Takenori
- Project Period (FY)
  1998 – 1999
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  高分子構造・物性(含繊維)
- Research Institution
  High Energy Accelerator Research Organization
Research and development on the pulsed slow positron beam to analyze surface of polymer
- Principal Investigator
  
  SUZUKI Takenori
- Project Period (FY)
  1997 – 1999
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  高分子構造・物性(含繊維)
- Research Institution
  High Energy Accelerator Research Organization
FREE VOLUME DURING CURING REACTION OF THERMOSETTING RESIN STUDIED BY POSITRON ANNIHILATION
- Principal Investigator
  
  SUZUKI Takenori
- Project Period (FY)
  1996 – 1997
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  高分子合成
- Research Institution
  High Energy Accelerator Research Organization
Design Study of Multi-Purpose Beam Line
- Principal Investigator
  
  TAKASAKI Minoru
- Project Period (FY)
  1995 – 1996
- Research Category
  
  Grant-in-Aid for international Scientific Research
- Research Institution
  National Laboratory for High Energy, Physics
高エネルギー核ビーム輸送の研究
- Principal Investigator
  
  TAKASAKI Minoru
- Project Period (FY)
  1994
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  素粒子・核・宇宙線
- Research Institution
  高エネルギー物理学研究所
Study of High-Energy Nuclear-Beam Transport
- Principal Investigator
  
  TANAKA Kazuhiro
- Project Period (FY)
  1994 – 1995
- Research Category
  
  Grant-in-Aid for international Scientific Research
- Research Institution
  KEK ; National Laboratory for High Energy Physics
Development of Mineral insulation Cable
- Principal Investigator
  
  TAKASAKI Minoru
- Project Period (FY)
  1994 – 1995
- Research Category
  
  Grant-in-Aid for Developmental Scientific Research (B)
- Research Field
  
  素粒子・核・宇宙線
- Research Institution
  High Energy Accelerator Organization
Free Volumes of Ploymers Studied by Positron Annihilation
- Principal Investigator
  
  SUZUKI Takenori
- Project Period (FY)
  1994 – 1995
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  高分子構造・物性(含繊維)
- Research Institution
  NATIONAL LABORATORY FOR HIGH ENERGY PHYSICS
Development of integrated Radiation Dosimeters using Organic Polymer Films
- Principal Investigator
  
  KONDO Kenjiro
- Project Period (FY)
  1992 – 1993
- Research Category
  
  Grant-in-Aid for Developmental Scientific Research (B)
- Research Field
  
  Nuclear engineering
- Research Institution
  National Laboratory for High Energy Physics (KEK)
Radiation damage of polymers studied by positron annihilation
- Principal Investigator
  
  SUZUKI Takenori
- Project Period (FY)
  1991 – 1992
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  Nuclear engineering
- Research Institution
  NATIONAL LABORATORY FOR HIGH ENERGY PHYSICS

All 2005 2004 2003

All Journal Article

[Journal Article] 高エネルギー陽子加速器構造体中の放射化量評価2005
- Author(s)
  沼尻正晴, 鈴木健訓
- Journal Title
  
  第6回「環境放射能」研究会要旨論文集
- Data Source
  KAKENHI-PROJECT-15560730
[Journal Article] Permanent Magnet Generationg High and Variable Septum Magnetic Field and its Deterioration by Radiation2004
- Author(s)
  Y.Kawakubo, E.Nakamura, M.Numajiri, 他
- Journal Title
  
  Proceedings of EPAC (Europian Particle Accelerator Conference) 2004
  
  Pages: 1696-1698
- Data Source
  KAKENHI-PROJECT-15560730
[Journal Article] Residual Radioactivities Induced in Permanent Magnet using Proton Accelerator Facilities2004
- Author(s)
  M.Numajiri
- Journal Title
  
  KEK Proceedings 2004-8
  
  Pages: 342-350
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15560730
[Journal Article] 高エネルギー陽子加速器施設における永久磁石の放射化量評価2004
- Author(s)
  沼尻正晴他
- Journal Title
  
  Proceedings of the Fifth Workshop in Environmental Radioactivity KFK Proceedings 2004-8
  
  Pages: 342-350
- Data Source
  KAKENHI-PROJECT-15560730
[Journal Article] Residual Radioactivities Induced at High Energy Proton Accelerator Facilities2004
- Author(s)
  M.Numajiri
- Journal Title
  
  Proc. of the Third Annual Convention of the Japanese Society of Radiation Safety Management
  
  Pages: 98-98
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15560730
[Journal Article] 高エネルギー陽子加速器施設における永久磁石の放射化量評価2004
- Author(s)
  沼尻正晴他
- Journal Title
  
  第5回「環境放射能」研究会要旨論文集
  
  Pages: 17-17
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15560730
[Journal Article] 陽子シンクロトロン室内の中性子分布の測定2003
- Author(s)
  沼尻正晴他
- Journal Title
  
  日本放射線安全管理学会第2回学術大会講演予稿集
  
  Pages: 90-90
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15560730
[Journal Article] Production cross sections of 14C in aluminum by nuclear spallation reactions2003
- Author(s)
  M.Numajiri et al.(沼尻正晴他)
- Journal Title
  
  J.Radioanalytical and Nuclear Chemistry 255・3
  
  Pages: 481-483
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15560730
[Journal Article] Measurement Production cross sections for 12GeV Proton Reaction with Hg, Pb, Bi targets used as spallation neutron source2003
- Author(s)
  M.Numajiri
- Journal Title
  
  Nucl. Radiochem. Sci. Vol.4 Supp.
  
  Pages: 68-68
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15560730
[Journal Article] 核破砕中性子源に用いられる重元素の12GeV陽子による生成核断面積の測定(3)2003
- Author(s)
  沼尻正晴他
- Journal Title
  
  Journal of Nuclear and Radiochemical Sciences(日本放射化学会誌別冊) 4,Suppl.
  
  Pages: 68-68
- Data Source
  KAKENHI-PROJECT-15560730
[Journal Article] 核破砕中性子源に用いられる重元素の12GeV陽子による生成核断面積の測定(3)2003
- Author(s)
  沼尻正晴他
- Journal Title
  
  Journal of Nuclear and Radiochemical Sciences(日本放射化学会誌別冊) 4, Suppl.
  
  Pages: 68-68
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15560730
[Journal Article] Production cross sections of 14C in aluminum by nuclear spallation reactions2003
- Author(s)
  M.Numajiri
- Journal Title
  
  J. Radioanalytical and Nuclear Chemistry 255
  
  Pages: 481-481
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15560730

1. MIURA Taichi (80209717)

# of Collaborated Projects: 16 results

# of Collaborated Products: 0 results
2. KONDO Kenjiro (20004434)

# of Collaborated Projects: 12 results

# of Collaborated Products: 0 results
3. SUZUKI Takenori (40162961)

# of Collaborated Projects: 12 results

# of Collaborated Products: 1 results
4. OKI Yuichi (40204094)

# of Collaborated Projects: 10 results

# of Collaborated Products: 0 results
5. NOUMI Hiroyuki (10222192)

# of Collaborated Projects: 4 results

# of Collaborated Products: 0 results
6. TAKASAKI Minoru (70044782)

# of Collaborated Projects: 4 results

# of Collaborated Products: 0 results
7. IEIRI Masaharu (50192472)

# of Collaborated Projects: 4 results

# of Collaborated Products: 0 results
8. TANAKA Kazuhiro (90171743)

# of Collaborated Projects: 4 results

# of Collaborated Products: 0 results
9. BAN Syuichi (70141976)

# of Collaborated Projects: 4 results

# of Collaborated Products: 0 results
10. NAKAI Koji (40028155)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
11. MURAKAMI Tetsuya (50219896)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
12. YOSHII Masato (00200931)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
13. SAKAI Izumi (30141972)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
14. SATOH Hikaru (80100816)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
15. CHIBA Junsei (50126124)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
16. IMAZATO Jun (40107686)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
17. SHIBATA Tokushi (80028224)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
18. 庄司善彦 (90196585)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
19. 何春清

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
20. MORINOBU Shunpei (50016078)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
21. NAGAE Tomofumi (50198298)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
22. KIMURA Kikuo (60108636)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
23. TANAKA Yoshito (30269089)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
24. NISHIKAWA Koichiro (60198439)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
25. UWAMINO Yoshitomo (60160339)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
26. NAKAMUA Kenzo (10011735)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
27. SASAKI Shinichi (80178649)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
28. OKUNO Kenji (80293596)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
29. MASUMOTO Kazuyoshi (60124624)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
30. MATSUMURA Hiroshi (30328661)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
31. HIRAYAMA Hideo (00044785)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
32. NAKAO Noriaki (80272524)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
33. KAWAI Masayoshi (10311127)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
34. SANAMI Toshiya (90321538)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
35. 外山毅 (30207641)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
36. 伊藤靖彦

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
37. 横井哲夫

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
38. HE Chun-Qing

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Numajiri Masaharu 沼尻 正晴

NUMAJIRI Masaharu 沼尻 正晴

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Measurement of production cross sections for high energy proton reaction with Hg, Pb, Bi targets used as spallation neutron sourcePrincipal Investigator

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Production Cross-Sections by Nuclear Reaction with High Energy ProtonPrincipal Investigator

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Numajiri Masaharu 沼尻正晴

NUMAJIRI Masaharu 沼尻正晴