Structure and reaction dynamics of weakly-bound nuclei

• Project/Area Number: 19740115
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Particle/Nuclear/Cosmic ray/Astro physics
• Research Institution: Tohoku University
• Principal Investigator: HAGINO Kouichi Tohoku University, 大学院・理学研究科, 准教授 (20335293)
• Project Period (FY): 2007 – 2009
• Project Status: Completed (Fiscal Year 2009)
• Budget Amount: ¥2,820,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥420,000); Fiscal Year 2009: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000); Fiscal Year 2008: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000); Fiscal Year 2007: ¥1,000,000 (Direct Cost: ¥1,000,000)
• Keywords: 中性子過剰核 / 対相関 / 双中性子相関 / 双極子励起 / 核融合反応 / 平均場理論 / 核分裂障壁 / r-プロセス元素合成 / 電気双極子励起 / ヴァーチャル状態 / ベータ崩壊 / クーパー対 / 三軸非対称変形 / ハイパー核 / BCS-BECクロスオーバー / 重イオン核融合反応 / 断熱近似

Research Abstract

We investigated the ground state properties of Borromean nuclei ^<11>Li and ^6He, as well as heavier neutron-rich nuclei ^8He, and obtained a picture that spatially compact dineutrons condensate on the surface of neutron-rich nuclei. We also pointed out that the mixing of single-particle states of opposite parity due to the pairing correlation plays an essential role in order for the strong dineutron correlation to be developed in neutron-rich nuclei.

Research Products

• [Journal Article] Hyperons as a probe of nuclear deformation (2010)
  • Author(s): H.-J.Schulze, Myaing Thi Win, K.Hagino, H.Sagawa
  • Journal Title: Prog Theo.Phys. 123 Pages: 569-580
  • NAID: 110007573232
  • Peer Reviewed
• [Journal Article] Deformation and weak decay of Lambda hypernuclei (2010)
  • Author(s): K.Hagino, Myaing Thi Win, Y.Nakagawa
  • Journal Title: Proceedings of Sendai International Symposium on Strangeness Nuclear and Hadronic Systems(SENDAI08), Dec.15-18, 2008, Sendai, Japan(World Scientific, 2010) Pages: 260-265
  • Peer Reviewed
• [Journal Article] Deformation of Lambda hypernuclei (2010)
  • Author(s): Myaing Thi Win, K.Hagino
  • Journal Title: Proceedings of Sendai International Symposium on Strangeness Nuclear and Hadronic Systems (SENDAI08), Dec.15-18, 2008, Sendai, Japan(World Scientific, 2010) Pages: 418-419
  • Peer Reviewed
• [Journal Article] Mesonic decay of neutron-rich Lambda hypernuclei with Skyrme-Hartree-Fock method (2010)
  • Author(s): Y.Nakagawa, K.Hagino
  • Journal Title: Proceedings of Sendai International Symposium on Strangeness Nuclear and Hadronic Systems(SENDAI08), Dec.15-18, 2008, Sendai, Japan(World Scientific, 2010) Pages: 402-403
  • Peer Reviewed
• [Journal Article] Entrance-channel effects in heavy-ion capture : role of octuple phonons (2010)
  • Author(s): N.Rowley, K.Hagino
  • Journal Title: Nucl.Phys.A 834
  • Peer Reviewed
• [Journal Article] Subbarrier fusion reactions with dissipative couplings (2010)
  • Author(s): K.Hagino, S.Yusa, N.Rowley
  • Journal Title: Nucl.Phys.A 834
  • Peer Reviewed
• [Journal Article] Hyperons as a probe of nuclear deformation (2010)
  • Author(s): H.-J.Schulze, Myaing Thi Win, K.Hagino, H.Sagawa
  • Journal Title: Prog.Theo.Phys. 123 Pages: 569-580
  • NAID: 110007573232
  • Peer Reviewed
• [Journal Article] Two-particle correlations in continuum dipole transitions in Borromean nuclei (2009)
  • Author(s): K.Hagino, H.Sagawa, T.Nakamura, S.Shimoura
  • Journal Title: Phys.Rev. C80
  • Peer Reviewed
• [Journal Article] Signature of smooth transition from diabatic to adiabatic states in heavy-ion fusion reactions at deep subbarrier energies (2009)
  • Author(s): T.Ichikawa, K.Hagino, A.Iwamoto
  • Journal Title: Phys.Rev.Lett. 103
  • Peer Reviewed
• [Journal Article] Fission of heavy Lambda hypernuclei with the Skyrme-Hartree-Fock approach (2009)
  • Author(s): F.Minato, S.Chiba, K.Hagino
  • Journal Title: Nucl.Phys. A831 Pages: 150-162
  • Peer Reviewed
• [Journal Article] beta-decay half-lives at finite temperatures for N=82 isotones (2009)
  • Author(s): F.Minato, K.Hagino
  • Journal Title: Phys.Rev. C80
  • Peer Reviewed
• [Journal Article] Two-particle correlations in continuum dipole transitions in Borromean nuclei (2009)
  • Author(s): K. Hagino, H. Sagawa, T. Nakamura, S. Shimoura
  • Journal Title: Phys. Rev. C80
  • Peer Reviewed
• [Journal Article] Fusion at deep subbarrier energies : potential inversion revisited (2009)
  • Author(s): K.Hagino, N.Rowley
  • Journal Title: AIP Conf.Proc. 1098 Pages: 18-25
  • Peer Reviewed
• [Journal Article] Existence of a one-body barrier revealed in deep subbaarrier fusion (2009)
  • Author(s): T.Ichikawa, K.Hagino, A.Iwamoto
  • Journal Title: AT Conf.Proc. 1098 Pages: 32-37
  • NAID: 120002069868
  • Peer Reviewed
• [Journal Article] Fusion and quasi-elastic scattering around the Coulomb barrier : determination of inter-nucleus potential (2009)
  • Author(s): K.Hagino
  • Journal Title: AIP Conf.Proc. 1120 Pages: 3-8
  • Peer Reviewed
• [Journal Article] Systematic study of the surface properties of the nuclear potential with high precision large-angle quasi-elastic scatterings (2009)
  • Author(s): C.J.Lin, 他7名(8番目)
  • Journal Title: Phys.Rev.C 79
  • Peer Reviewed
• [Journal Article] Two neutron correlations in exotic nuclei (2009)
  • Author(s): H.Sagawa, K.Hagino
  • Journal Title: AIP Conf.Proc. 1165 Pages: 110-113
  • Peer Reviewed
• [Journal Article] Two-particle correlations in continuum dipole transitions in Borromean nuclei (2009)
  • Author(s): K.Hagino, H.Sagawa, T.Na-kamura, S.Shimoura
  • Journal Title: Phys.Rev.C 80
  • Peer Reviewed
• [Journal Article] Test of finite temperature random-phase approximation on a Lipkin model (2009)
  • Author(s): K.Hagino, F.Minato
  • Journal Title: Phys.Rev.C 80
  • Peer Reviewed
• [Journal Article] Effects of weakly coupled channels on quasielastic barrier distributions (2009)
  • Author(s): E.Piasecki, 他26名(26番目)
  • Journal Title: Phys.Rev.C 80
  • Peer Reviewed
• [Journal Article] Fission of heavy Lambda hypernuclei with the Skyrme-Hartree-Fock approach (2009)
  • Author(s): F.Minato, S.Chiba, K.Hagino
  • Journal Title: Nucl.Phys.A 831 Pages: 150-162
  • Peer Reviewed
• [Journal Article] Exploring fusion at extreme sub-barrier energies with weakly bound nuclei (2009)
  • Author(s): A.Shrivastava, 他14名(7番目)
  • Journal Title: Phys.Rev.Lett. 103
  • Peer Reviewed
• [Journal Article] Pairing correlation in unstable nuclei and BCS-BEC crossover (2009)
  • Author(s): H.Sagawa, J.Margueron, K.Hagino
  • Journal Title: Int.J.of Mod.Phys.E 18 Pages: 2035-2039
  • Peer Reviewed
• [Journal Article] Di-neutron correlation in light neutron-rich nuclei (2009)
  • Author(s): K.Hagino, H.Sagawa, P.Schuck
  • Journal Title: Int.J.of Mod.Phys.E 18 Pages: 2045-2049
  • Peer Reviewed
• [Journal Article] beta-decay half-lives at finite temperatures for N=82 isotones (2009)
  • Author(s): F.Minato, K.Hagino
  • Journal Title: Phys.Rev.C 80
  • Peer Reviewed
• [Journal Article] Strong dineutron correlation in ^8He and ^<18>C (2008)
  • Author(s): K.Hagino, N.Takahashi, H.Sagawa
  • Journal Title: Phys.Rev. C77
  • Peer Reviewed
• [Journal Article] Fission barriers in the neutron-proton isosp-in plane for heavy neutron-rich nuclei (2008)
  • Author(s): F.Minato, K.Hagino
  • Journal Title: Phys.Rev. C77
  • Peer Reviewed
• [Journal Article] Effective pairing inter-actions with isospin density dependence (2008)
  • Author(s): J.Margueron, H.Sagawa, K.Hagino
  • Journal Title: Phys.Rev. C77
  • Peer Reviewed
• [Journal Article] Strong dineutron correla-tion in ^8He and ^<18>C (2008)
  • Author(s): K.Hagino, N.Takahashi, H.Sagawa
  • Journal Title: Phys.Rev. C77
  • Peer Reviewed
• [Journal Article] Shape evolut-ion of C isotopes in (beta, gamma) deformation plane (2008)
  • Author(s): Y.Zhang, H.Sagawa, D.Yoshino, K.Hagino, J.Meng
  • Journal Title: Prog.Theo.Phys. 120 Pages: 129-142
  • Peer Reviewed
• [Journal Article] Deformation of Lambda-hypernuclei (2008)
  • Author(s): Myaing Thi Win, K.Hagino
  • Journal Title: Phys.Rev. C78
  • Peer Reviewed
• [Journal Article] Coupled-channels analyses for large-angle quasi-elastic scattering in massive systems (2008)
  • Author(s): Muhammad Zamrun F., K.Hagino, S.Mitsuoka, H.Ikezoe
  • Journal Title: Phys.Rev. C77
  • Peer Reviewed
• [Journal Article] Strong dineutron correlation in 8He and 18C (2008)
  • Author(s): K. Hagino, N. Takahashi, H. Sagawa
  • Journal Title: Phys. Rev. C77
  • Peer Reviewed
• [Journal Article] Fission barriers in the neutron-proton isospin plane for heavy neutron-rich nuclei (2008)
  • Author(s): F. Minato
  • Journal Title: Phys. Rev. C 77
  • Peer Reviewed
• [Journal Article] Effective pairing interactions with isospin density dependence (2008)
  • Author(s): J. Margueron
  • Journal Title: Phys. Rev. C 77
  • Peer Reviewed
• [Journal Article] Strong dineutron correlation in 8He and 18C (2008)
  • Author(s): K. Hagino
  • Journal Title: Phys. Rev. C 77
  • Peer Reviewed
• [Journal Article] Pairing correlations in halo nuclei (2008)
  • Author(s): H. Sagawa
  • Journal Title: Proceedings of International Symposium on Physics of Unstable Nuclei(ISPUN07) 1 Pages: 266-273
  • Peer Reviewed
• [Journal Article] Shape evolution of C isotopes in(beta, gamma)deformation plane (2008)
  • Author(s): Y. Zhang
  • Journal Title: Prog. Theo. Phys 120 Pages: 129-142
  • Peer Reviewed
• [Journal Article] Existence of a one-body barrier revealed in deep subbarrier fusion (2008)
  • Author(s): T. Ichikawa
  • Journal Title: Proc. International Nuclear Physics Conference(INPC2007) 2 Pages: 519-521
  • Peer Reviewed
• [Journal Article] Heavy-ion reactions at deep subbarrier energies (2008)
  • Author(s): K. Hagino
  • Journal Title: Proc. International Nuclear Physics Conference(INPC2007) 2 Pages: 525-527
  • Peer Reviewed
• [Journal Article] Reply to "Comment on' Coexistence of BCS- and BEC-Like pair structures in halo nuclei'" (2008)
  • Author(s): K. Hagino
  • Journal Title: Phys. Rev. Lett 101
  • Peer Reviewed
• [Journal Article] Deformation of Lambda-hypernuclei (2008)
  • Author(s): Myaing Thi Win
  • Journal Title: Phys. Rev. C 78
  • Peer Reviewed
• [Journal Article] Effects of anharmonic vibration on large-angle quasi-elastic scattering of 16O+144Sm (2008)
  • Author(s): Muhammad Zamrun F. and K. Hagino
  • Journal Title: Phys. Rev. C 77
  • Peer Reviewed
• [Journal Article] Coupled-channels analyses for large-angle quasi-elastic scattering in massive systems (2008)
  • Author(s): Muhammad Zamrun F., K. Hagino, S. Mitsuoka, H. Ikezoe
  • Journal Title: Phys. Rev. C 77
  • Peer Reviewed
• [Journal Article] Systematics of threshold ncident energy for deep sub-barrier Fusion (2007)
  • Author(s): T.Ichikawa, K.Hagino, A.Iwamoto
  • Journal Title: Phys.Rev. C75
  • Peer Reviewed
• [Journal Article] Charge radius and dipole response of ^<11>Li (2007)
  • Author(s): H.Esbensen,K.Hagino, P.Mueller, H.Sagawa
  • Journal Title: Phys.Rev. C76
  • Peer Reviewed
• [Journal Article] Potential inversion with subbarrier fusion data reexamined (2007)
  • Author(s): K.Hagino, Y.Watanabe
  • Journal Title: Phys.Rev. C76
  • Peer Reviewed
• [Journal Article] Dipole exci-tation and geometry of Borromean nuclei (2007)
  • Author(s): K.Hagino, H.Sagawa
  • Journal Title: Phys.Rev. C76
  • Peer Reviewed
• [Journal Article] BCS-BEC crossover of neutron pairs in symmetric and asymmetric nuclear matters (2007)
  • Author(s): J.Margueron, H.Sagawa, K.Hagino
  • Journal Title: Phys.Rev. C76
  • Peer Reviewed
• [Journal Article] Charge radius and dipole response of 11Li (2007)
  • Author(s): H. Esbensen, K. Hagino, P. Mueller, H. Sagawa
  • Journal Title: Phys. Rev. C76
  • Peer Reviewed
• [Journal Article] Dipole exci-tation and geometry of Borromean nuclei (2007)
  • Author(s): K. Hagino, H. Sagawa
  • Journal Title: Phys. Rev. C76
  • Peer Reviewed
• [Journal Article] Systematics of threshold incident energy for deep sub-barrier fusion (2007)
  • Author(s): T. Ichikawa, K. Hagino, and A. Iwamoto
  • Journal Title: Phys. Rev. C 75
  • Peer Reviewed
• [Journal Article] Probing the tail of the nuclear potential between identical nuclei with quasi-elastic Mott scattering (2007)
  • Author(s): D. J. Hinde, K. Hagino, 他7名
  • Journal Title: Phys. Rev. C 76
  • Peer Reviewed
• [Journal Article] Charge radius and dipole response of 11Li (2007)
  • Author(s): H. Esbensen, K. Hagino, P. Mueller, and H. Sagawa
  • Journal Title: Phys. Rev. C 76
  • Peer Reviewed
• [Journal Article] Potential inversion with subbarrier fusion data reexamined (2007)
  • Author(s): K. Hagino and Y. Watanabe
  • Journal Title: Phys. Rev. C 76
  • Peer Reviewed
• [Journal Article] Systematic study of the nuclear potential through high precision back-angle quasi-elastic scattering measurements (2007)
  • Author(s): L. R. Gasques, K. Hagino, 他8名
  • Journal Title: Phys. Rev. C 76
  • Peer Reviewed
• [Journal Article] Dipole excitation and geometry of borromean nuclei (2007)
  • Author(s): K. Hagino and H. Sagawa
  • Journal Title: Phys. Rev. C 76
  • Peer Reviewed
• [Journal Article] BCS-BEC crossover of neutron pairs in symmetric and asymmetric nuclear matters (2007)
  • Author(s): J. Margueron, H. Sagawa, and K. Hagino
  • Journal Title: Phys. Rev. C 76
  • Peer Reviewed
• [Presentation] Dineutron correlation in the ground state and E1 excitations of Borromean nuclei (2010)
  • Author(s): 萩野浩一
  • Organizer: International Symposium Forefronts of researches in exotic nuclear structure (Niigata2010)
  • Place of Presentation: 新潟県十日町市
  • Year and Date: 2010-03-02
• [Presentation] Dineutron correlation in the ground state and E1 excitations of Borromean nuclei (2010)
  • Author(s): 萩野浩一
  • Organizer: International Symposium Forefronts of researches in exotic nuclear structure(Niigata2010)
  • Place of Presentation: 新潟県十日町市
  • Year and Date: 2010-03-02
• [Presentation] Two-particle correlations in continuum dipole transitions in Borromean nuclei (2009)
  • Author(s): 萩野浩一
  • Organizer: 第3回日米物理学会合同核物理分科会
  • Place of Presentation: ハワイ、アメリカ
  • Year and Date: 2009-10-17
• [Presentation] Two-particle correlations in continuum dipole transitions in Borromean nuclei (2009)
  • Author(s): 萩野浩一
  • Organizer: 第3回日米物理学会合同核物理分科会
  • Place of Presentation: ハワイ ハワイ島コナ, アメリカ
  • Year and Date: 2009-10-17
• [Presentation] Subbarrier fusion reactions with dissipative couplings (2009)
  • Author(s): 萩野浩一
  • Organizer: The 10th International Conference on Nucleus-Nucleus Collisions
  • Place of Presentation: 北京, 中国
  • Year and Date: 2009-08-17
• [Presentation] Deformation and weak decay of Lambda hypernuclei (2008)
  • Author(s): K. Hagino
  • Organizer: Sendai International Symposium on Strangeness in Nuclear and Hadron Systems(SENDAI08)
  • Place of Presentation: 東北大学
  • Year and Date: 2008-12-17
• [Presentation] Dineutron correlation in light neutron-rich nuclei (2008)
  • Author(s): K. Hagino
  • Organizer: Alpha- and Dineutron-Correlation in Nuclear Many-Body Systems
  • Place of Presentation: 京都大学基礎物理学研究所
  • Year and Date: 2008-10-20
• [Presentation] Dineutron correlation in light neutron-rich nuclei (2008)
  • Author(s): K. Hagino
  • Organizer: Nuclear Physics Meeting on 'Clustering in Dilute Nuclear Matter'
  • Place of Presentation: 国際高等研究所
  • Year and Date: 2008-10-18
• [Presentation] Di-neutron correlation in light neutron-rich nuclei (2008)
  • Author(s): 萩野浩一
  • Organizer: Franco-Japanese Symosium on New Paradigms in Nuclear Physics
  • Place of Presentation: パリ、フランス
  • Year and Date: 2008-10-01
• [Presentation] Di-neutron correlation in light neutron-rich nuclei (2008)
  • Author(s): 萩野浩一
  • Organizer: Franco -Japanese Symosium on New Paradigms in Nuclear Physics
  • Place of Presentation: パリ、フランス
  • Year and Date: 2008-10-01
• [Presentation] Di-neutron correlation in neutron-rich nuclei (2008)
  • Author(s): K. Hagino
  • Organizer: Franco-Japanese Symposium on New Paradiams in Nuclear Physics
  • Place of Presentation: パリ(フランス)
  • Year and Date: 2008-10-01
• [Presentation] Fusion at deep subbarrier energies : potential invers-ion revisited (2008)
  • Author(s): K.Hagino
  • Organizer: International Confer-ence on New Aspects of Heavy Ion Collisions Near the Coulomb Barrier (FUSION08)
  • Place of Presentation: シカゴ、アメリカ
  • Year and Date: 2008-09-22
• [Presentation] Fusion at deep subbarrier energies : potential inversion revisited (2008)
  • Author(s): K. Hagino
  • Organizer: International Conference on New Aspects of Heavy Ion Collisions Near the Coulomb Barrier(FUSION08)
  • Place of Presentation: シカゴ(アメリカ)
  • Year and Date: 2008-09-22
• [Presentation] 8He, 18Cのダイニュートロン構造 (2008)
  • Author(s): 萩野浩一
  • Organizer: RIBFミニワークショップ「ダイニュートロン相関をみる」
  • Place of Presentation: 理化学研究所
  • Year and Date: 2008-09-03
• [Presentation] Di-neutron correlation in light neutron-rich nuclei Workshop on Correlations in Nuclei (2007)
  • Author(s): K.Hagino
  • Organizer: FromDi-nucleons to Clusters
  • Place of Presentation: ワシントン大学、アメリカ
  • Year and Date: 2007-11-26
• [Presentation] Di-neutron correlation in light neutron-rich nuclei (2007)
  • Author(s): K. Hagino
  • Organizer: Workshop on Correlations in Nuclei: From Di-nucleons to Clusters
  • Place of Presentation: ワシントン大学(米国)
  • Year and Date: 2007-11-26
• [Presentation] Pairing correlation in neutron-rich nuclei (2007)
  • Author(s): K.Hagino
  • Organizer: First FIDIPROJSPS workshop on energy density functionals in nuclei
  • Place of Presentation: ユバスキュラ大学、フィンランド
  • Year and Date: 2007-10-25
• [Presentation] Pairing correlation in neutron-rich nuclei (2007)
  • Author(s): K. Hagino
  • Organizer: First FIDIPRO-JSPS workshop on energy density functionals in nuclei
  • Place of Presentation: Jyvaskyla, Finnland
  • Year and Date: 2007-10-25
• [Presentation] Deep subbarrier fusion and internuclear potential (2007)
  • Author(s): K. Hagino
  • Organizer: 3rd Japanese-German EFES(JSPS)-DFG/GSI workshop
  • Place of Presentation: Frauenwoerth im Chiemsee, Germany
  • Year and Date: 2007-10-01
• [Presentation] 重イオン核融合反応に対するポテンシャル・インヴァージョン法 (2007)
  • Author(s): 萩野浩一
  • Organizer: 日本物理学会第62回年次大会
  • Place of Presentation: 北海道大学
  • Year and Date: 2007-09-24
• [Presentation] Heavy-ion reactions at deep subbarrier energies (2007)
  • Author(s): K. Hagino
  • Organizer: International Nuclear Physics Conference 2007
  • Place of Presentation: 東京国際フォーラム
  • Year and Date: 2007-06-07