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New Isomer in La-138 for supernova neutrino process

Research Project

Project/Area Number 18340071
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Particle/Nuclear/Cosmic ray/Astro physics
Research InstitutionJapan Atomic Energy Agency

Principal Investigator

HAYAKAWA Takehito  Japan Atomic Energy Agency, 量子ビーム応用研究部門, 研究主幹 (70343944)

Co-Investigator(Kenkyū-buntansha) SHIZUMA Toshiyuki  日本原子力研究開発機構, 量子ビーム応用研究部門, 研究副主幹 (50282299)
KOMATSUBARA Tetsurou  筑波大学, 数理物質科学研究科, 講師 (10195852)
FUJIWARA Mamoru  大阪大学, 核物理学研究センター, 助教授 (00030031)
NAKADA Hitoshi  千葉大学, 理学部, 助教授 (80221448)
CHIBA Chiba  日本原子力研究開発機構, 先端基礎科学研究センター, 研究主幹 (60354883)
KAJINO Toshitaka  国立天文台, 理論研究部, 助教授 (20169444)
Project Period (FY) 2006 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥10,120,000 (Direct Cost: ¥8,500,000、Indirect Cost: ¥1,620,000)
Fiscal Year 2008: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2007: ¥5,460,000 (Direct Cost: ¥4,200,000、Indirect Cost: ¥1,260,000)
Fiscal Year 2006: ¥3,100,000 (Direct Cost: ¥3,100,000)
Keywords原子核(実験) / ニュートリノ元素合成 / 原子核宇宙時計 / p核 / 超新星元素合成 / スケーリング則 / 光核反応 / 超新星爆発 / 逆コンプトンγ線 / ニュートリノ / 逆コンプトンガンマ線
Research Abstract

鉄より重い元素の約99%は中性子捕獲反応で生成されたが、中性子捕獲反応では生成できない35 核種のp核と呼ばれる同位体が存在している。La-138を含むp核の天体起源を、レーザーコンプトン散乱γ線、中性子等の量子ビームを用いた原子核実験と、理論研究によってすすめる。

Report

(4 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • 2006 Annual Research Report
  • Research Products

    (35 results)

All 2009 2008 2007 2006 Other

All Journal Article (27 results) (of which Peer Reviewed: 4 results) Presentation (8 results)

  • [Journal Article] Reply to "Comment on '138La-138Ce-136Ce nuclear cosmochronometer for supernova neutrino process'"2009

    • Author(s)
      T.Hayakawa, T.Shizuma, T.Kajino, K.Ogawa, H. Nakada
    • Journal Title

      Phys. Rev. C 79

      Pages: 59802-59802

    • Related Report
      2008 Final Research Report
  • [Journal Article] Several-MeV Gamma-ray generation at NewSUBARU by laser Compton backscattering2009

    • Author(s)
      S.Amano, K.Horikawa, K.Ishihara, S.Miyamoto, T.Hayakawa, T.Shizuma, T.Mochizuki
    • Journal Title

      Nucl. Instrum. Method, Phys. Res. A 602

      Pages: 337-341

    • Related Report
      2008 Final Research Report
  • [Journal Article] Nondestructive Detection of Heavily Shielded Materials by Using Nuclear Resonance Fluorescence with a Laser-Compton Scattering Gamma-ray Source2009

    • Author(s)
      N.Kikuzawa, R.Hajima, N.Nishimori, E.Minehara, T.Hayakawa, T.Shizuma, H.Toyokawa, H.Ohgaki
    • Journal Title

      pplied Physics Express 2

    • Related Report
      2008 Final Research Report
  • [Journal Article] A 3-quasiparticle isomer in neutron-rich 183Ta2009

    • Author(s)
      T.Shizuma, T.Ishii, H.Makii, T.Hayakawa, M.Matsuda
    • Journal Title

      Eur. Phys. J. A 39

      Pages: 263-266

    • Related Report
      2008 Final Research Report
  • [Journal Article] Nondestructive detection of hidden chemical compounds with laser Compton-scattering gamma rays2009

    • Author(s)
      T. Hayakawa, H. Ohgaki, T. Shizuma, R. Hajima, N. Kikuzawa, E. Minehara, T. Kii, H. Toyokawa
    • Journal Title

      REVIEW OF SCIENTIFIC INSTRUMENTS 80

      Pages: 45110-45110

    • NAID

      120001642843

    • Related Report
      2008 Final Research Report
  • [Journal Article] Proton-induced Nuclear Reactions Using Compact High-Contrast High-Intensity Laser2009

    • Author(s)
      K. Ogura, T. Shizuma, T. Hayakawa, A. Yogo, M. Nishiuchi, S. Orimo, A. Sagisaka, A. Pirozhkov, M. Mori, H. Kiriyama, S. Kanazawa, S. Kondo, Y. Nakai, T. Shimoura, M. Tanoue, A. Akutsu, T. Motomura, H. Okada, T. Kimura, Y. Oishi1, T. Nayuki1, T. Fujii1, K. Nemoto1, H. Daido
    • Journal Title

      Applied Physics Express 2

      Pages: 66001-66001

    • NAID

      10025086873

    • Related Report
      2008 Final Research Report
  • [Journal Article] 138La-138Ce-136Ce nuclear cosmochronometer for supernova neutrino process2008

    • Author(s)
      T.Hayakawa, T.Shizuma, T.Kajino, K.Ogawa, H. Nakada
    • Journal Title

      Physical Review C 77

    • Related Report
      2008 Final Research Report
  • [Journal Article] Empirical Abundance Scaling laws: its implication for supernova Gamma-process2008

    • Author(s)
      T.Hayakawa, N.Iwamoto, T.Kajino, T.Shizuma, H.Umeda, K.Nomoto
    • Journal Title

      Astrophys. J. 685

      Pages: 1089-1102

    • Related Report
      2008 Final Research Report
  • [Journal Article] Half-life of the 164Ho isomer populated by the (Gamma, n) reaction from laser Compton scattering γ rays at the electron storage ring NewSUBARU2008

    • Author(s)
      T. Hayakawa, T. Shizuma, S. Miyamoto, S. Amano, K. Horikawa, K.Ishihara, M. Mori, K. Kawase, M. Kando, N. Kikuzawa, S. Chiba, T. Mochizuki, T. Kajino, and M. Fujiwara
    • Journal Title

      Physical Review C 77

    • Related Report
      2008 Final Research Report
  • [Journal Article] Direct and semi-direct capture in low-energy (n,g amma) reactions of neutron-rich tin isotopes and its implications for r-process nucleosynthesis2008

    • Author(s)
      S.Chiba, H.Koura, T.Hayakawa, T.Maruyama, T.Kawano, T.Kajino
    • Journal Title

      Phys. Rev. C 77

      Pages: 15809-15809

    • Related Report
      2008 Final Research Report
  • [Journal Article] Proposal of Nondestructive Assay Using a High-Flux Gamma-Ray Source and Nuclear Resonance Fluorescence2008

    • Author(s)
      R. Hajima, T. Hayakawa, N. Kikuzawa, E. Minehara
    • Journal Title

      J. Nucl. Sci. Tech. 45

      Pages: 441-451

    • Related Report
      2008 Final Research Report
  • [Journal Article] One-quasiparticle bands in neutron-rich 187W2008

    • Author(s)
      T.Shizuma, T.Ishii, H.Makii, T.Hayakawa, M.Matsuda, S.Shigematsu, E.Ideguchi, Y.Zheng, M.Liu, T.Morikawa, M.Oi
    • Journal Title

      Phys. Rev. C 77

      Pages: 47303-47303

    • Related Report
      2008 Final Research Report
  • [Journal Article] Fine structure of the magnetic-dipole-strength distribution in 208Pb2008

    • Author(s)
      .Shizuma, T.Hayakawa, H.Ohgaki, H.Toyokawa, T.Komatsubara, N.Kikuzawa, A.Tamii, H.Nakada
    • Journal Title

      Phys. Rev. C 78

    • Related Report
      2008 Final Research Report
  • [Journal Article] Sub-MeV tunably polarized X-ray production with laser Thomson Backscattering2008

    • Author(s)
      K.Kawase, M.Kando, T.Hayakawa, I.Daito, S.Kondo, T.Homma, T.Kameshima, H.Kotaki, L.-M.Chen, Y.Fukuda
    • Journal Title

      Review of Scientifc Instruments 79

      Pages: 3302-3302

    • Related Report
      2008 Final Research Report
  • [Journal Article] ^<138>La-^<138>Ce-^<136>Ce nuclear cosmochronometer for supernova neutrino process2008

    • Author(s)
      T. Hayakawa, T. Shizuma, T. Kajno, et al.
    • Journal Title

      Physical Review C 77

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Half-life of the ^<164>Ho isomer populated by the (γ, n) reaction from laser Compton scattering γ rays at the electron storage ring NewSUBARU2008

    • Author(s)
      T. Hayakawa, T. Shizuma, S. Miyamoto, et al.
    • Journal Title

      Physical Review C 77

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Empirical Abundance Scaling laws : its implication for supernov a Gamma-process2008

    • Author(s)
      T. Hayakawa, N. Iwamoto, T. Kajino, et al.
    • Journal Title

      Astrophysical Journal 685

      Pages: 1089-1102

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Direct and semi-direct capture in low-energy(n,Y)reactionsof neutron-rich tin isotopes and its implications for r-processnucleosynthesis2008

    • Author(s)
      S. Chiba, H. Koura, T. Hayakawa, T. Maruyama, T. Kawano T. Kajino
    • Journal Title

      Phys.Rev.C 77

      Pages: 15809-15809

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Evidence for a Kπ = 1/2+ isomer in neutron-rich 185Ta2007

    • Author(s)
      T.Shizuma, T.Ishii, H.Makii, T.Hayakawa, S.Shigematsu, M.Matsuda, E.Ideguchi, Y.Zheng, M.Liu, T.Morikawa
    • Journal Title

      Eur. Phys. J. A 34

      Pages: 1-1

    • Related Report
      2008 Final Research Report
  • [Journal Article] Principle of universality of gamma-process nucleosynthesis in core-collapse supernova explosions2006

    • Author(s)
      T.Hayakawa, N.Iwamoto, T.Kajino, T.Shizuma, H.Umeda, K.Nomoto
    • Journal Title

      Astrophysical Journal 648-1, Part2

    • Related Report
      2008 Final Research Report
  • [Journal Article] Excited states in neutron-rich W produced by an induced neutron transfer reaction2006

    • Author(s)
      T.Shizuma, T.Ishii, H.Makii, T.Hayakawa, S.Shigematsu, M.Matsuda, E.Ideguchi, Y. Zheng, M. Liu, T.Morikawa, P.M. Walker, M. Ohi
    • Journal Title

      European Physical Journal A 30-2

      Pages: 391-396

    • Related Report
      2008 Final Research Report
  • [Journal Article] Evidence for p-process nucleosynthesis recorded at the Solar System abundances2006

    • Author(s)
      T.Hayakawa, N.Iwamoto, T.Shizuma, T.Kajino, H.Umeda, K.Nomoto
    • Journal Title

      Eur. Phys. J. A 27, Supplement 1

      Pages: 123-123

    • Related Report
      2008 Final Research Report
  • [Journal Article] Principle of Universality of ν -Process Nucleosynthesis in core-collapse supernova2006

    • Author(s)
      T.Hayakawa
    • Journal Title

      The Astrohpysical Journal 648

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Evidence for p-process nucleosynthesis recorded at the Solar System abundances2006

    • Author(s)
      T.Hayakawa
    • Journal Title

      The European Physical Journal A 27

      Pages: 123-128

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Half-life of ^<184>Repopulated by the (ν, n) reaction from laser Compton scattering ν rays at the electron storage ring NewSUBARU2006

    • Author(s)
      T.Hayakawa
    • Journal Title

      The Physical Review C 74

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Half-life of Re populated by the reaction from laser Compton scattering rays at the electron storage ring NewSUBARU

    • Author(s)
      T.Hayakawa, S.Miyamoto, Y.Hayashi, K.Kawase, K.Horikawa, S.Chiba, H.Nakanishi, S.Hashimoto, T.Ohta, M.Kando, T.Motsizuki, T.Kajino, M.Fujiwara
    • Journal Title

      Physical Review C 74-6

    • Related Report
      2008 Final Research Report
  • [Journal Article]

    • Related Report
      2008 Annual Research Report
  • [Presentation] p核の天体起源の探究2009

    • Author(s)
      早川岳人, 他
    • Organizer
      2009春の物理学会
    • Place of Presentation
      立教大学
    • Year and Date
      2009-03-30
    • Related Report
      2008 Annual Research Report
  • [Presentation] p核の天体起源の探究2009

    • Author(s)
      早川岳人、岩本信之、梶野敏貴、静間俊行、梅田秀之、野本憲一
    • Organizer
      日本物理学会
    • Place of Presentation
      東京
    • Related Report
      2008 Final Research Report
  • [Presentation] NewSUBARUの逆コンプトンガンマ線によるHo-164の光核反応による生成と崩壊測定2008

    • Author(s)
      早川岳人、静間俊行、宮本修治、天野壮、堀川賢、石原一樹、森道昭、川瀬啓悟、神門正城、菊澤信宏、望月孝晏、梶野敏貴、藤原守
    • Organizer
      日本物理学会
    • Place of Presentation
      大阪市
    • Related Report
      2008 Final Research Report
  • [Presentation] s過程研究のためのCd-113アイソマーへの熱中性子捕獲反応断面積測定2008

    • Author(s)
      早川岳人、静間俊行、千葉敏、梶野敏貴、初川雄一、岩本信之、篠原伸夫、原田秀郎
    • Organizer
      日本物理学会
    • Place of Presentation
      山形市
    • Related Report
      2008 Final Research Report
  • [Presentation] Half-life of 184Re populated by photodisintegration reaction with Laser Compton scattering gammar-rays NewSUBARU2007

    • Author(s)
      T. Hayakawa
    • Organizer
      International Conference in Nuclear Data for Science and Technology 2007
    • Place of Presentation
      Nice
    • Year and Date
      2007-04-27
    • Related Report
      2007 Annual Research Report
  • [Presentation] ニュースバルの逆コンプトンガンマ線によるReの光核反応2007

    • Author(s)
      早川岳人、宮本修治、林由紀雄、川瀬啓悟、堀川賢、千葉敏、中西康介、橋本尚信、太田岳史、神門正城、梶野敏貴、藤原守
    • Organizer
      日本物理学会
    • Place of Presentation
      八王子市
    • Related Report
      2008 Final Research Report
  • [Presentation] 超新星爆発の光核反応の元素合成過程2007

    • Author(s)
      早川岳人、岩本信之、梶野敏貴、静間俊行、梅田秀之、野本憲一
    • Organizer
      日本物理学会
    • Place of Presentation
      札幌市
    • Related Report
      2008 Final Research Report
  • [Presentation] 超新星爆発におけるニュートリノ過程の原子核宇宙時計の提唱2006

    • Author(s)
      早川岳人、静間俊行、梶野敏貴、小川建吾、中田仁
    • Organizer
      日本物理学会2006秋の大会
    • Place of Presentation
      奈良市
    • Related Report
      2008 Final Research Report

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Published: 2006-04-01   Modified: 2016-04-21  

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