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1993 Fiscal Year Final Research Report Summary

Study of Multiple Election Capture and Electron Emission Processes in slow Collisions of slow Multiply Charged Ions with Atomic and Molecular Targets

Research Project

Project/Area Number 04452059
Research Category

Grant-in-Aid for General Scientific Research (B)

Allocation TypeSingle-year Grants
Research Field 物理学一般
Research InstitutionTokyo Metoropolitan University

Principal Investigator

OKUNO Kazuhiko  Tokyo Metoropolitan University, Department of Physics, Associate Professor, 理学部物理, 助教授 (70087005)

OKUNO Kazuhiko  Tokyo Metoropolitan University, Department of Physics, Associate Professor (70087005)

Project Period (FY) 1992 – 1993
KeywordsMultiply charged ion / Orbiting effect / Multiple electron capture / Coulomb explosion / Franck-Condon principle / Electron capture cross section / 同時計測 / オービティング効果
Research Abstract

In this study, single- and multiple-election capture cross sections in collisions of multiply charged ions of He^2 ・ C^4 ・ Ar^3 (q=6, 7, 8, 9 and 11) with various targets of He, Ne, Ar, Kr, H_2, N_2, O_2, CH_4, C_2, H_3, C_3, H_3, and n-C_4 H_<10> have been measured at low energies, and also coulomb explosion of (H_2)^3 and (N_2)^2 produced in collisions of He^2 with H _2 and N_2 has been investigated by means of the coincidence experiments detecting pair fragment ions.
Low energy collisions of He^2 with H_2 have been first revieled to be dominated by the double election capture reactions. The orbiting effect due to the polarization of targets clearly has been found in single- and double-electron capture cross sections measured for Ar^2 (q=6, 7, 8, 9 and 11) in collision with H_2 and He at lower energies. The measurements of the hinetic energy distribution of pair fragment ions produced in He^2 -H_2 collisions has first demonstrated the validity of the Franck-Condon principle in transitions from H_2 to (H _2)^2 state and from N_2 to (N_2)^2 state even at low energies.

  • Research Products

    (13 results)

All Other

All Publications (13 results)

  • [Publications] 奥野和彦: "小型多価イオン源(Mini-EBIS)の開発" 日本物理学会会誌. 47. 285-292 (1992)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Kazuhiko Okuno: "Single- and double-electron capture in ^3He^<2+>-H_2 collisions at low energies from 1 to 2000 eV" J.Phys.B:At.Mol.Opt.Phys.25. L105-L108 (1992)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Kouichi Soejima: "Cross sections for single and multiple electron capture in low energy collisions of C^<4+> with H_2,O_2 and N_2" J.Phys.B:At.Mol.Opt.Phys.25. 3309-3014 (1992)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Kazuhiko Okuno: "Coulomb explosion of(H_2)^<2+> produced in electron capture collisions of multiply charged ions with H_2 at low energies" Proc.of the Joint International Seminar on Atomic and Molecular Physics.151-155 (1992)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Kouichi Soejima: "Multi-electron-capture processes by C^<4+> from CH_4,C_2H_6,C_3H_8 and n-C_4H_<10> in energy range 0.7-400 eV u^<-1>" Organic Maso Spectrom.28. 344-348 (1993)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Kazuhiko Okuno: "Single- and double-electron capture in He^2 -H_2 collisions at low energies from 1 to 2000 e" I.Phys., B : At. Mol. Opt. Phys.25. L105-L108 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Koichi Soejima: "Cross sections for single and multiple electron capture in low energy cllisions of C^4 with H_2, O_2 and N_2" I.Phys., B : At. Mol. Opt. Phys.25. 3309-3014 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Kazuhiko Okuno: "Coulomb explosion of (H_2)^2 prodused in electron capture collisions of multiply charged ions with H_2 at low energies" Proc. of the Joint International Seminer on Atomic and Molecular Physics.151-155 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Scott Kravis: "Single and double charge echange cross sections for Ar^2 (q=6, 7 and 8) from 6 ev to 8 kev" AIP.Conf. Proc. (USA). 274. 128-131 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Koichi Soejima: "Multi-electron-capture processes by C^4 from CH_2, C_2H_2 and n-C_4H_<10> in the energy range 0.7-400 ev u^<-1>" I.Phys., B : At. Mol. Opt. Phys.28. 344-348 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Kazuhiko Okuno: "Slow electron capture collisions of multiply charged ions with H_2" Proc. of UK-Japan Seminer Experi mental Atomic Collision Physics.50-59 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Kazuhiko Okuno: "Coulomb explosion of (H_2)^2 prodused in electron capture collisions of multiply charged ions with H_2 at low energies" At. Coll. Res. in Jpn.18. p36 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Hiroki Saitoh: "Measurements of charge transfer cross sections of Ar^3(q6,7, 8, 9 and 11) collision with H_2 and He targets at low energies" At. Coll. Res. in Jpn.19. p19 (1993)

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 1995-03-27  

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