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Measurement of magnetic moments on neutron rich nuclei in intermediate mass region and studies on hyperfine field of rare-earth impurities

Research Project

Project/Area Number 23540341
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Particle/Nuclear/Cosmic ray/Astro physics
Research InstitutionKyoto University

Principal Investigator

TANIGAKI Minoru  京都大学, 原子炉実験所, 助教 (90314294)

Project Period (FY) 2011-04-28 – 2015-03-31
Project Status Completed (Fiscal Year 2014)
Budget Amount *help
¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2013: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2012: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2011: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Keywords超微細相互作用 / 摂動角相関 / 希土類元素 / 内部磁場 / 超微細場 / 原子核実験 / 磁気モーメント / 計測系
Outline of Final Research Achievements

Hyperfine fields at impurity of rare-earth elements in ferromagnetic hosts are important for the verification of the first principle calculations. Once a hyperfine field is determined in a sufficient accuracy, this field can be used for the determination of magnetic moments of intermediate states of nuclei. In this study, the measurement of the hyperfine field of Pm in Fe was performed. Behavior of defects introduced through the implantation process of impurities was also studied by the perturbed angular correlation measurement of Ce-140 in Fe. The possibility of the perturbed angular correlation measurement using the gamma-rays that are not directly interpose the intermediate state is investigated for the magnetic moment measurement. Improvements on the measurement system is performed.

Report

(5 results)
  • 2014 Annual Research Report   Final Research Report ( PDF )
  • 2013 Research-status Report
  • 2012 Research-status Report
  • 2011 Research-status Report
  • Research Products

    (2 results)

All 2014

All Presentation (2 results)

  • [Presentation] TDPAC measurement of hyperfine fields at Pm impurities in Fe2014

    • Author(s)
      M. Tsuneyama, M. Tanigaki, A. Taniguchi, Q. Xu, Y. Ohkubo
    • Organizer
      The 5th Joint International Conference on Hyperfine Interactions and Symposium on Nuclear Quadrupole Interactions
    • Place of Presentation
      Canberra, Australia
    • Year and Date
      2014-09-21 – 2014-09-26
    • Related Report
      2014 Annual Research Report
  • [Presentation] TDPAC studies of interaction between He and A = 140 elements in Fe2014

    • Author(s)
      Y. Ohkubo, A. Taniguchi, Q. Xu, M. Tanigaki, K. Sato
    • Organizer
      The 5th Joint International Conference on Hyperfine Interactions and Symposium on Nuclear Quadrupole Interactions
    • Place of Presentation
      Canberra, Australia
    • Year and Date
      2014-09-21 – 2014-09-26
    • Related Report
      2014 Annual Research Report

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Published: 2011-08-05   Modified: 2019-07-29  

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