IWASA Naohito 岩佐直仁

… Alternative Names

Iwasa Naohito 岩佐直仁

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Researcher Number	50322996
Other IDs
Affiliation (Current)	2025: 東北大学, 理学研究科, 准教授
Affiliation (based on the past Project Information) *help	2017 – 2021: 東北大学, 理学研究科, 准教授 2014 – 2016: 東北大学, 理学(系)研究科(研究院), 准教授 2009 – 2011: 東北大学, 大学院・理学研究科, 准教授 2001 – 2004: 東北大学, 大学院・理学研究科, 助教授
Review Section/Research Field	Principal Investigator Basic Section 15020:Experimental studies related to particle-, nuclear-, cosmic ray and astro-physics / 素粒子・核・宇宙線 Except Principal Investigator Particle/Nuclear/Cosmic ray/Astro physics / 素粒子・核・宇宙線
Keywords	Principal Investigator 天体核反応 / RIビーム / 超新星・中性子合体の元素合成 / 原子核物理実験 / アクティブ標的 / 超新星・中性子合体での元素合成 / r過程 / 低エネルギーRIビーム / 超新星・中性子星合体 / 原子核(実験) … More / 原子核実験 / ストリッピング反応 / rプロセス / 宇宙核物理 / クーロン分解法 / 不安定核ビーム / クーロン励起・分解 / rpプロセス / 天体核物理 / γ遷移と励起エネルギー / 不安定核 / クーロン励起 … More Except Principal Investigator Neutron-Rich Nuclei / Proton Inelastic Scattering / Nuclear compressibility / Giant Monopole Resonance / Exotic Nuclei / 圧縮率 / 核物質 / RIビーム / 超前方非弾性散乱 / 超前方非弾性散 / 中性子過剰核 / 陽子超前方非弾性散乱 / 核物質圧縮率 / 巨大単極子共鳴 / 不安定核 / 元素の起源 / 宇宙核物理 / 宇宙核物理実験 / ビッグバン模型 / 不安定核の核反応 / ビッグバン元素合成 / 始原的７Ｌｉ問題 / vp過程 / 陽子過剰核のα共鳴 / アクティブ標的 / p核生成 / νp過程 / 陽子過剩核のα共鳴 / 低エネルギーRIビーム / 新星・超新星の元素合成 / 水素の爆発的元素合成過程 / 原子核(実験) Less

Study of reaction rate of the rapid neutron capture process in supernovae and neutron star mergerPrincipal Investigator
- Principal Investigator
  
  Iwasa Naohito
- Project Period (FY)
  2018 – 2021
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 15020:Experimental studies related to particle-, nuclear-, cosmic ray and astro-physics
- Research Institution
  Tohoku University
Experimental Approach to the Key, Li Problem in the Big Bang Nucleosynthesis
- Principal Investigator
  
  Kubono Shigeru
- Project Period (FY)
  2014 – 2017
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Particle/Nuclear/Cosmic ray/Astro physics
- Research Institution
  Institute of Physical and Chemical Research
Study of Alpha-Cluster Structure for Astrophysical Reactions
- Principal Investigator
  
  KUBONO Shigeru
- Project Period (FY)
  2009 – 2011
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Particle/Nuclear/Cosmic ray/Astro physics
- Research Institution
  The University of Tokyo
クーロン分解法による天体核反応rpプロセスの研究Principal Investigator
- Principal Investigator
  
  岩佐直仁
- Project Period (FY)
  2002 – 2004
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  素粒子・核・宇宙線
- Research Institution
  Tohoku University
Study of Giant Monopole Resonance in Unstable Nuclei via Proton Inelastic Scattering at Zero Degrees
- Principal Investigator
  
  KOBAYASHI Toshio
- Project Period (FY)
  2001 – 2003
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  素粒子・核・宇宙線
- Research Institution
  Tohoku University

All 2021 2020 2019 2018 2017 2005 2004 2003

All Journal Article Presentation

[Journal Article] Experimental study of the Γp1/Γp0 ratios of resonance states in Be8 for deducing the Be7(n,p1)Li*7 reaction rate relevant to the cosmological lithium problem2021
- Author(s)
  Iwasa N.、Ishikawa S.、Kubono S.、Sakakibara T.、Kominato K.、Nishio K.、Matsuda M.、Hirose K.、Makii H.、Orlandi R.、Asada K.、Guru D.、Nishimura S.、Hayakawa S.、Kawabata T.
- Journal Title
  
  Physical Review C
  
  Volume: 103 Issue: 1 Pages: 015801-015801
- DOI
  10.1103/physrevc.103.015801
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20J14920, KAKENHI-PROJECT-18H01218, KAKENHI-PROJECT-19H01914
[Journal Article] Constraining the Primordial Lithium Abundance: New Cross Section Measurement of the <sup>7</sup>Be + n Reactions Updates the Total 7Be Destruction Rate2021
- Author(s)
  Hayakawa S.、La Cognata M.、Lamia L.、Yamaguchi H.、Kahl D.、Abe K.、Shimizu H.、Yang L.、Beliuskina et al.,
- Journal Title
  
  The Astrophysical Journal Letters
  
  Volume: 915 Issue: 1 Pages: L13-L13
- DOI
  10.3847/2041-8213/ac061f
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03883, KAKENHI-PROJECT-18H01218
[Journal Article] Study on 26mAl(p, γ) Reaction at the SNe Temperature2020
- Author(s)
  Shimizu H.、Kahl D.、Yamaguchi H.、Abe K.、Beliuskina O.、Cha S. M.、Chae K. Y.、Chen A. A.、Ge Z.、Hayakawa S.、Imai N.、Iwasa N.、Kim A.、Kim D. H.、Kim M. J.、Kubono S.、Kawag M. S.、Liang J.、Moon J. Y.、Nishimura S.、Oka S.、Park S. Y.、Psaltis A.、Teranishi T.、Ueno Y.、Yang L.
- Journal Title
  
  JPS Conf. Proc.
  
  Volume: 31 Pages: 011073-011073
- DOI
  10.7566/jpscp.31.011073
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03883, KAKENHI-PROJECT-18H01218
[Journal Article] Two-Neutron Halo is Unveiled in 29F2020
- Author(s)
  S. Bagchi, R. Kanungo, Y. K. Tanaka, H. Geissel, P. Doornenbal, W. Horiuchi, G. Hagen, T. Suzuki, N. Tsunoda, D. S. Ahn, H. Baba, K. Behr, F. Browne, S. Chen, M. L. Cortes, A. Estrade, N. Fukuda, M. Holl, K. Itahashi, N. Iwasa et al.
- Journal Title
  
  Physical Review Letters
  
  Volume: 124 Issue: 22 Pages: 2225041-7
- DOI
  10.1103/physrevlett.124.222504
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03855, KAKENHI-ORGANIZER-18H05400, KAKENHI-PLANNED-18H05404, KAKENHI-PROJECT-18H01218
[Journal Article] Direct processes for the systems 7Be,8B + 208Pb at Coulomb barrier energies2020
- Author(s)
  Mazzocco M、Keeley N、Boiano A、Boiano C、Commara M La、Lagni A、Manea C、Parascandolo C、Pierroutsakou D、Signorini C、Strano E、Torresi D、Yamaguchi H、et al.
- Journal Title
  
  Journal of Physics: Conference Series
  
  Volume: 1643 Issue: 1 Pages: 012096-012096
- DOI
  10.1088/1742-6596/1643/1/012096
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03883, KAKENHI-PROJECT-18H01218
[Journal Article] Experimental Study on the 7Be(n,p)7Li and the 7Be(n,α)4He Reactions for Cosmological Lithium Problem2020
- Author(s)
  Hayakawa S.、La Cognata M.、Lamia L.、Shimizu H.、Yang L.、Yamaguchi H.、Abe K.、Beliuskina O.、Cha S. M.、Chae K. Y.、Cherubini S.、Figuera P.、Ge Z.、Gulino M.、Hu J.、Inoue A. et al.
- Journal Title
  
  JPS Conf. Proc.
  
  Volume: 31 Pages: 011036-011036
- DOI
  10.7566/jpscp.31.011036
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03883, KAKENHI-PROJECT-18H01218
[Journal Article] Studies on Nuclear Astrophysics and Nuclear Clustering with Low-energy RI Beams at CRIB2020
- Author(s)
  Yamaguchi H.、Hayakawa S.、Yang L.、Shimizu H.、Kahl D.、Suhara T.、Iwasa N.、Cha S. M.、Kwag M. S.、Lee J. H.、Lee E. J.、Chae K. Y.、Kim A.、Kim D. H.、Wakabayashi Y.、Imai N.、Kitamura N.、Lee P.、Moon J. Y.、Lee K. B.、Akers C.、Duy N. N.、Khiem L. H.、Lee C. S.
- Journal Title
  
  JPS Conf. Proc.
  
  Volume: 32 Pages: 010055-010055
- DOI
  10.7566/jpscp.32.010055
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03883, KAKENHI-PROJECT-18H01218
[Journal Article] Experiments on astrophysical reactions with low-energy unstable nuclei beams at CRIB2020
- Author(s)
  Yamaguchi H.、Hayakawa S.、Ma N.R.、Shimizu H.、Yang L.、Kahl D.、Abe K.、Suhara T.、Iwasa N.、Kim A.、et al.
- Journal Title
  
  Journal of Physics: Conference Series
  
  Volume: 1643 Issue: 1 Pages: 012069-012069
- DOI
  10.1088/1742-6596/1643/1/012069
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03883, KAKENHI-PROJECT-18H01218
[Journal Article] Experimental Study of the 7Be(n,p1)7Li* Reaction for the Cosmological Lithium Problem2020
- Author(s)
  S. Ishikawa, N. Iwasa, S. Kubono et al
- Journal Title
  
  JPS Conf. Proc.
  
  Volume: 31 Pages: 011037-011037
- DOI
  10.7566/jpscp.31.011037
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01218
[Journal Article] Elastic scattering for the B8 and Be7+Pb208 systems at near-Coulomb barrier energies2019
- Author(s)
  Mazzocco M.、Keeley N.、Boiano A.、Boiano C.、La Commara M.、Manea C.、Parascandolo C.、Pierroutsakou D.、Signorini C.、Strano E.、Torresi D.、Yamaguchi H.、Kahl D. et al.
- Journal Title
  
  Physical Review C
  
  Volume: 100 Issue: 2 Pages: 024602-024602
- DOI
  10.1103/physrevc.100.024602
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03883, KAKENHI-PROJECT-18H01218, KAKENHI-PROJECT-19H01903
[Journal Article] Experimental Challenge to the Cosmological Li Problem2019
- Author(s)
  S. Kubono, T. Kawabata, N. Iwasa et al.
- Journal Title
  
  Nuclei in the Cosmos XV
  
  Volume: 1 Pages: 45-51
- DOI
  10.1007/978-3-030-13876-9_8
- ISBN
  9783030138752, 9783030138769
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01218
[Journal Article] Cross Section Measurements of the 7Be(n,p)7Li and the 7Be(n,α)4He Reactions Covering the Big-Bang Nucleosynthesis Energy Range by the Trojan Horse Method at CRIB2019
- Author(s)
  Hayakawa S.、Abe K.、Beliuskina O.、Cha S. M.、Chae K. Y.、Cherubini S.、Figuera P.、Ge Z.、Gulino M.、Hu J.、Inoue A.、Iwasa N.、Kahl D.、Kim A.、Kim D. H.、Kiss G. G. et al.
- Journal Title
  
  Nuclei in the Cosmos XV
  
  Volume: 1 Pages: 33-37
- DOI
  10.1007/978-3-030-13876-9_6
- ISBN
  9783030138752, 9783030138769
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03883, KAKENHI-PROJECT-18H01218
[Journal Article] Location of the Neutron Dripline at Fluorine and Neon2019
- Author(s)
  Ahn D.S.、Fukuda N.、Geissel H.、Inabe N.、Iwasa N.、Kubo T.、Kusaka K.、Morrissey D.J.、Murai D.、Nakamura T.、Ohtake M.、Otsu H.、Sato H.、Sherrill B.M.、Shimizu Y.、Suzuki H.、Takeda H.、Tarasov O.B.、Ueno H.、Yanagisawa Y.、Yoshida K.
- Journal Title
  
  Physical Review Letters
  
  Volume: 123 Issue: 21 Pages: 212501-212501
- DOI
  10.1103/physrevlett.123.212501
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-ORGANIZER-18H05400, KAKENHI-PLANNED-18H05462, KAKENHI-PROJECT-16H02179, KAKENHI-PLANNED-18H05464, KAKENHI-PLANNED-18H05404, KAKENHI-PROJECT-18H01218
[Journal Article] First measurement of 30S + α resonant elastic scattering for the 30S(α, p) reaction rate2018
- Author(s)
  D. Kahl,H. Yamaguchi, S. Kubono, A.A. Chen, A. Parikh, D.N. Binh, J. Chen, S. Cherubini, N. N. Duy, T. Hashimoto S. Hayakawa, N. Iwasa H. S. Jung, S. Kato,Y. K. Kwon S. Nishimura, S. Ota, K. Setoodehnia, T. Teranishi, H. Tokieda, T. Yamada, C. C. Yun and L. Y. Zhang,
- Journal Title
  
  Phys. Rev. C
  
  Volume: 97 Issue: 1 Pages: 015802-015802
- DOI
  10.1103/physrevc.97.015802
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K05369, KAKENHI-PROJECT-18H01218
[Journal Article] Beam production of ? 18 Ne with in-flight method for alpha scattering at CRIB2018
- Author(s)
  Duy N.N.、Chae K.Y.、Cha S.M.、Yamaguchi H.、Abe K.、Bae S.H.、Binh D.N.、Choi S.H.、Hahn K.I.、Hayakawa S.、Hong B.、Iwasa N.、Kahl D.、et al.
- Journal Title
  
  Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
  
  Volume: 897 Pages: 8-13
- DOI
  10.1016/j.nima.2018.04.043
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K05369, KAKENHI-PROJECT-18H01218
[Journal Article] Discovery of 60Ca and Implications For the Stability of 70Ca2018
- Author(s)
  O.B. Tarasov, N.Iwasa他
- Journal Title
  
  Phys. Rev. Lett.
  
  Volume: 121 Issue: 2 Pages: 022501-022501
- DOI
  10.1103/physrevlett.121.022501
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01218
[Journal Article] Time-Reversal Measurement of the p-Wave Cross Section of the 7Be(n; alpha) Reaction for the Cosmological Li Problem2017
- Author(s)
  T. Kawabata, et al.
- Journal Title
  
  Physical Review Letters
  
  Volume: 118 Issue: 5 Pages: 052701-052701
- DOI
  10.1103/physrevlett.118.052701
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-24105004, KAKENHI-PROJECT-15H02091, KAKENHI-PROJECT-14J00949, KAKENHI-PROJECT-26287058
[Journal Article] Excited states in neutron rich boron isotopes2005
- Author(s)
  R.Kanungo, N.Iwasa et al.
- Journal Title
  
  Physics Letters B608
  
  Pages: 206-206
- Data Source
  KAKENHI-PROJECT-14740149
[Journal Article] Neutron Removal Studies on ^<19>C2004
- Author(s)
  M.Chiba, N.Iwasa et al.
- Journal Title
  
  Nuclear Physics A741
  
  Pages: 29-29
- Data Source
  KAKENHI-PROJECT-14740149
[Journal Article] The First Excited State of ^<30>Ne Studied by Proton Inelastic Scattering in Reversed Kinematics2004
- Author(s)
  Y.Yanagisawa, N.Iwasa et al.
- Journal Title
  
  Nuclear Physics A734
  
  Pages: 374-374
- Data Source
  KAKENHI-PROJECT-14740149
[Journal Article] Molecular states in neutron-rich beryllium isotopes2004
- Author(s)
  A.Saito, N.Iwasa et al.
- Journal Title
  
  Nuclear Physics A738
  
  Pages: 337-337
- NAID
  210000127516
- Data Source
  KAKENHI-PROJECT-14740149
[Journal Article] Study of the Stellar ^<22>Mg(p,γ)^<23>Al Reaction using the Coulomb-Dissociation Method2004
- Author(s)
  T.Gomi, N.Iwasa et al.
- Journal Title
  
  Nuclear Physics A734
- Data Source
  KAKENHI-PROJECT-14740149
[Journal Article] Decoupling of valence neutrons from the core in ^<16>C2004
- Author(s)
  Z.Elekes, N.Iwasa et al.
- Journal Title
  
  Physics Letters B586
  
  Pages: 34-34
- Data Source
  KAKENHI-PROJECT-14740149
[Journal Article] Study of the density distribution of ^<17>C from reaction cross section measurement2004
- Author(s)
  C.Wu, N.Iwasa et al.
- Journal Title
  
  Nuclear Physics A739
  
  Pages: 3-3
- Data Source
  KAKENHI-PROJECT-14740149
[Journal Article] Density distribution of ^<17>B from a reaction cross-section measurement2004
- Author(s)
  Y.Yamaguchi, N.Iwasa et al.
- Journal Title
  
  Physical Review C70
  
  Pages: 54320-54321
- Data Source
  KAKENHI-PROJECT-14740149
[Journal Article] One- and Two-proton removal from ^<15>O2004
- Author(s)
  H.Jeppesen, N.Iwasa et al.
- Journal Title
  
  Nuclear Physics A739
  
  Pages: 57-57
- Data Source
  KAKENHI-PROJECT-14740149
[Journal Article] In-beam γ spectroscopy of ^<34>Si with deuteron inelastic scattering using reverse kinematics2003
- Author(s)
  N.Iwasa et al.
- Journal Title
  
  Physical Review C67
  
  Pages: 64315-64315
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-13440064
[Presentation] 9Be(3He,α)8Be*→7Li+p反応測定を用いた、宇宙リチウム問題への7Be(n,p1)7Li*反応の影響の研究2020
- Author(s)
  石川竣喜、岩佐直仁、久保野茂他
- Organizer
  日本物理学会
- Data Source
  KAKENHI-PROJECT-18H01218

1. KUBONO Shigeru (20126048)

# of Collaborated Projects: 3 results

# of Collaborated Products: 3 results
2. YAMAGUCHI Hidetoshi (30376529)

# of Collaborated Projects: 2 results

# of Collaborated Products: 9 results
3. NISHIMURA Shunji (90272137)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
4. WAKABAYASHI Yasuo (80447359)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. HASHIMOTO Hisashi (90414581)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. TERANISHI Takashi (10323495)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. KATO Seigo (70013422)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. KOBAYASHI Toshio (30186754)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. OTSU Hideaki (90302075)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. SAKAGUCHI Harutaka (30025465)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. 川畑貴裕 (80359645)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
12. 新倉潤 (50644720)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. 早川勢也

# of Collaborated Projects: 0 results

# of Collaborated Products: 8 results
14. 鈴木俊夫

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
15. 中村隆司

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

IWASA Naohito 岩佐 直仁

Iwasa Naohito 岩佐 直仁

Research Projects

Research Products

Co-Researchers

Study of reaction rate of the rapid neutron capture process in supernovae and neutron star mergerPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Experimental Approach to the Key, Li Problem in the Big Bang Nucleosynthesis

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Study of Alpha-Cluster Structure for Astrophysical Reactions

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

クーロン分解法による天体核反応rpプロセスの研究Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Study of Giant Monopole Resonance in Unstable Nuclei via Proton Inelastic Scattering at Zero Degrees

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] Experimental study of the Γp1/Γp0 ratios of resonance states in Be8 for deducing the Be7(n,p1)Li*7 reaction rate relevant to the cosmological lithium problem2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Constraining the Primordial Lithium Abundance: New Cross Section Measurement of the <sup>7</sup>Be + n Reactions Updates the Total 7Be Destruction Rate2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Study on 26mAl(p, γ) Reaction at the SNe Temperature2020

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Two-Neutron Halo is Unveiled in 29F2020

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Direct processes for the systems 7Be,8B + 208Pb at Coulomb barrier energies2020

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Experimental Study on the 7Be(n,p)7Li and the 7Be(n,α)4He Reactions for Cosmological Lithium Problem2020

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Studies on Nuclear Astrophysics and Nuclear Clustering with Low-energy RI Beams at CRIB2020

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Experiments on astrophysical reactions with low-energy unstable nuclei beams at CRIB2020

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Experimental Study of the 7Be(n,p1)7Li* Reaction for the Cosmological Lithium Problem2020

Author(s)

Journal Title

DOI

Data Source

IWASA Naohito 岩佐直仁

Iwasa Naohito 岩佐直仁