Study of the effects of the isospin 3/2 three-nucleon force by searching a resonant state of tri-neutron

• Project/Area Number: 24740168
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Multi-year Fund
• Research Field: Particle/Nuclear/Cosmic ray/Astro physics
• Research Institution: University of Miyazaki
• Principal Investigator: Maeda Yukie 宮崎大学, 工学部, 准教授 (50452743)
• Project Period (FY): 2012-04-01 – 2016-03-31
• Project Status: Completed (Fiscal Year 2015)
• Budget Amount: ¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000); Fiscal Year 2014: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000); Fiscal Year 2013: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000); Fiscal Year 2012: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
• Keywords: 原子核 / 中性子 / 三体力 / 国際情報交換 / ポーランド

Outline of Final Research Achievements

In the wide area of the study of nuclear physics, the nuclear forces play a fundamental role. The nuclear forces have only two-body but also many-body interacting components. In this research, we aimed to study directly the effects of the isospin T=3/2 three-nucleon force from the tri-neutron resonant state. For this purpose, we developed the deuterium targets, performed the test of the beam line detectors for the high intensity RI beam, and simulated the simultaneous three-neutron detection by using large acceptance neutron detector NEBULA. Addition to that, we studied the continuum states of the three-nucleon systems at the intermediate states from the analysis of the proton and deuteron scattering reactions.

Research Products

• [Int'l Joint Research] ヤゲロニアン大学(ポーランド)
• [Journal Article] Solid hydrogen target for missing mass spectroscopy in inverse kinematics (2015)
  • Author(s): Y. Matsuda et al.
  • Journal Title: J. Radioanal Nucl. Chem. Volume: 305 Issue: 3 Pages: 897-901
  • DOI: 10.1007/s10967-014-3903-6
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] Measurement of the 2H(p,n) Breakup Reaction at 170MeV and the Three-Nucleon Force Effects (2014)
  • Author(s): Y.Maeda, A.Tamii, H.Sakaguchi et al.
  • Journal Title: Few Body Systems Volume: 55 Issue: 8-10 Pages: 729-732
  • DOI: 10.1007/s00601-014-0868-5
  • Peer Reviewed
• [Journal Article] Study of the Three-Nucleon Force Effects in the 2H(p, n) Breakup Reaction at 170 MeV (2013)
  • Author(s): Y. Maeda, T. Saito, H. Miyasako, T. Uesaka, S. Ota, S. Kawase, T. Kikuchi, H. Tokieda, T. Kawabata, K. Yako, T. Wakasa, S. Sakaguchi, R. Chen, H. Sakaguchi, T. Shima, T. Suzuki, A. Tamii
  • Journal Title: Few-Body Systems Volume: 54 Issue: 7-10 Pages: 1311-1314
  • DOI: 10.1007/s00601-012-0587-8
  • Peer Reviewed
• [Journal Article] Measurements of the Cross Sections and A y for D(p, n) Inclusive Breakup Reaction at 170 MeV (2013)
  • Author(s): Y. Maeda, T. Saito, H. Miyasako, T. Uesaka, S. Ota, S. Kawase, T. Kikuchi, H. Tokieda, T. Kawabata, K. Yako, T. Wakasa, S. Sakaguchi, R. Chen, H. Sakaguchi, T. Shima, T. Suzuki, A. Tamii
  • Journal Title: Few-Body Systems Volume: 54 Issue: 1-4 Pages: 291-294
  • DOI: 10.1007/s00601-012-0378-2
  • Peer Reviewed
• [Presentation] Effects of three-nucleon force and the experimental study via the few-nucleon systems (2015)
  • Author(s): Y. Maeda
  • Organizer: The 9th Japan-China Joint Nuclear Physics Symposium (JCNP 2015)
  • Place of Presentation: 大阪大学
  • Year and Date: 2015-11-06
  • Int'l Joint Research / Invited
• [Presentation] 90Srとその近傍核種における荷電交換反応測定 (2015)
  • Author(s): 川上駿介
  • Organizer: 日本物理学会2015年秋季大会
  • Place of Presentation: 大阪市立大学
  • Year and Date: 2015-09-25
• [Presentation] Study of 3NF effects at the intermediate energies by pd breakup measurements (2015)
  • Author(s): Y. Maeda
  • Organizer: 21st International Conference on Few-Body Problems in Physics (FB21)
  • Place of Presentation: Chicago, USA
  • Year and Date: 2015-05-18
  • Int'l Joint Research
• [Presentation] Three-nucleon force study by the pd breakup measurements at the intermediate energy region (2014)
  • Author(s): Y. Maeda, T. Saito, H. Miyasako, T. Uesaka, S. Ota, S. Kawase, T. Kikuchi, H. Tokieda, T. Kawabata, K. Yako, T. Wakasa, S. Sakaguchi, R. Chen, H. Sakaguchi, T. Shima, T. Suzuki, A. Tamii
  • Organizer: The 4th Joint Meeting of the APS and JPS
  • Place of Presentation: Hilton Waikoloa Village, Hawaii
  • Year and Date: 2014-10-07 – 2014-10-11
• [Presentation] Study of three-nucleon state and T=3/2 three nucleon force (2014)
  • Author(s): Y. Maeda
  • Organizer: SAMURAI International Workshop 2014
  • Place of Presentation: 東北大学
  • Year and Date: 2014-09-08 – 2014-09-09
• [Presentation] Measurement of the 2H(p,n) breakup reaction at 170MeV and the three-nucleon force effects (2013)
  • Author(s): Y. Maeda, T. Saito, H. Miyasako, T. Uesaka, S. Ota, S. Kawase, T. Kikuchi, H. Tokieda, T. Kawabata, K. Yako, T. Wakasa, S. Sakaguchi, R. Chen, H. Sakaguchi, T. Shima, T. Suzuki, A. Tamii
  • Organizer: THE 22nd EUROPEAN CONFERENCE ON FEW-BODY PROBLEMS IN PHYSICS
  • Place of Presentation: Cracow, Poland
• [Presentation] 3n experiment (2012)
  • Author(s): 前田幸重
  • Organizer: New Aspects of Few Nucleon Interactions
  • Place of Presentation: 宮城県仙台市