Technological Development for Half-life Measurement of 146Sm Nuclide

• Kinoshita N.

  Graduate School of Natural Science and Technology, Kanazawa University

• Hashimoto T.

  Graduate School of Natural Science and Technology, Kanazawa University

• Nakanishi T.

  Graduate School of Natural Science and Technology, Kanazawa University

• Yokoyama A.

  Graduate School of Natural Science and Technology, Kanazawa University

• Amakawa H.

  Ocean Research Institute, The University of Tokyo

• Mitsugashira T.

  Institute for Material Research, Tohoku University

• Ohtsuki T.

  Graduate School of Science, Tohoku University

• Takahashi N.

  Graduate School of Science, Osaka University

• Ahmad I.

  Physics Division, Argonne National Laboratory

• Greene J. P.

  Physics Division, Argonne National Laboratory

• Henderson D. J.

  Physics Division, Argonne National Laboratory

• Jiang C. L.

  Physics Division, Argonne National Laboratory

• Notani M.

  Physics Division, Argonne National Laboratory

• Pardo R. C.

  Physics Division, Argonne National Laboratory

• Patel N.

  Physics Division, Argonne National Laboratory

• Rehm K. E.

  Physics Division, Argonne National Laboratory

• Scott R.

  Physics Division, Argonne National Laboratory

• Vondrasek R.

  Physics Division, Argonne National Laboratory

• Jisonna L.

  Department of Physics and Astronomy, Northwestern University

• Collon P.

  Department of Physics, University of Notre Dame

• Robertson D.

  Department of Physics, University of Notre Dame

• Schmitt C.

  Department of Physics, University of Notre Dame

• Tang X. D.

  Department of Physics, University of Notre Dame

• Kashiv Y.

  Racah Institute of Physics, Hebrew University

• Paul M.

  Racah Institute of Physics, Hebrew University

書誌事項

タイトル別名

• Technological Development for Half-life Measurement of <SUP>146</SUP>Sm Nuclide

抄録

Techniques for the measurement of the ¹⁴⁶Sm nuclide, which is known as an extinct nuclide on the present Earth, were developed in order to determine its half-life. The nuclide was produced in three reactions of ¹⁴⁷Sm (γ, n) ¹⁴⁶Sm, ¹⁴⁷Sm (n, 2n) ¹⁴⁶Sm, and ¹⁴⁷Sm (p, 2n) ¹⁴⁶Eu (→¹⁴⁶Sm). The Sm fraction in the target was chromatographically purified to prepare α counting samples as hydroxide. The ¹⁴⁶Sm/¹⁴⁷Sm α-activity ratios in the samples were measured using a Si surface barrier detector. The ¹⁴⁶Sm²²⁺/¹⁵²Sm²³⁺ and ¹⁴⁷Sm²²⁺/¹⁵²Sm²³⁺ ratios were measured by accelerator mass spectrometry using the ECR-ATLAS-GFM system. The ¹⁴⁶Sm ions were distinguished clearly from the other ions such as the abundant isobar, ¹⁴⁶Nd in the samples.

収録刊行物

• Ｊｏｕｒｎａｌ　ｏｆ　Ｎｕｃｌｅａｒ　ａｎｄ　Ｒａｄｉｏｃｈｅｍｉｃａｌ　Ｓｃｉｅｎｃｅｓ

  Ｊｏｕｒｎａｌ　ｏｆ　Ｎｕｃｌｅａｒ　ａｎｄ　Ｒａｄｉｏｃｈｅｍｉｃａｌ　Ｓｃｉｅｎｃｅｓ 8 (2), 109-112, 2007

  日本放射化学会

詳細情報

• CRID: 1390282679458310144
• NII論文ID: 10021102049
• NII書誌ID: AA11948402
• DOI: 10.14494/jnrs2000.8.109
• COI: 1:CAS:528:DC%2BD2sXhsVCgtbrN
• ISSN: 18835813
• ISSN: 13454749
• 本文言語コード: en
• データソース種別:
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  • CiNii Articles
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