Elastic and Inelastic Scatterings of Protons from Ti, Cr, Ni, Zn, and O at 8 to 14MeV

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概要

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• The elastic and inelastic (leading to the first excited states of target nuclei) scatterings of protons by medium weight nuclei (Ti, Cr, Ni, and Zn) were studied by observing the dependence of their angular distributions on bombarding energies from 8MeV to 14MeV. The angular distributions of protons elastically scattered from oxygen were also measured in the same energy range. There are appreciable regularities in the elastic scatterings by medium weight nuclei as regards the dependence of their angular distributions on the bombarding energy and on the atomic number except in the case of the bombarding energy of 8MeV. The elastic scatterings from oxygen show an anomalous behaviour at energies about 9MeV. The angular distributions of protons inelastically scattered from medium weight nuclei can be fitted by the predictions of the direct interaction theory with Born approximation at about 14MeV, but at the lower bombarding energies they seem not to do so, although they have the prominent forward peaks. The distorted Born approximation or the admixture of amplitudes due to compound process seems to be necessary to explain the angular distributions. In addition, it is found that the yield of the inelastic scattering varies with the bombarding energy appreciably. For Ni target, the dependence of the yield of the inelastic scattering leading to the first excited state on the bombarding energy was measured in detail by changing the incident proton energy finely at intervals of about 50KeV. We recognized that there were resonance-like behaviours with spacing of about several hundred KeV.

• 社団法人日本物理学会の論文
• 1959-07-05

著者

• Oda Yukiyasu

  Institute For Nuclear Study University Of Tokyo:department Of Physics Osaka University:(present)phys

• YAMAZAKI Takashi

  Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency

• Yamazaki Takashi

  Department Of Physics Faculty Of Science Osaka University

• Takeda Minoru

  Department Of Physics And The Laboratory Of Nuclear Studies Faculty Of Science Osaka University

• Kikuchi Ken

  Faculty Of Science Nagoya University

• Takano Naoyuki

  Institute For Nuclear Study University Of Tokyo

• MATSUDA Kazuhisa

  Institute for Nuclear Study, University of Tokyo

• KOBAYASHI Shinsaku

  Institute for Nuclear Study, University of Tokyo

• KIKUCHI Ken

  Institute for Nuclear Study, University of Tokyo

• MATSUDA Kazuhisa

  The Institute of Physical and Chemical Research

• TAKEDA Minoru

  Institute for Nuclear Study, University of Tokyo

• HU Chuin

  Institute for Nuclear Study, University of Tokyo

• NAGAHARA Yukio

  Institute for Nuclear Study, University of Tokyo

• Hu Chuin

  Institute For Nuclear Study University Of Tokyo:department Of Physics Osaka University

• Hu Chuin

  Department Of Physics Faculty Of Science Osaka University

• NAGAHARA Yukio

  Yokohama National University

• Takeda Minoru

  Institute For Nuclear Study University Of Tokyo:department Of Physics Osaka University

• Kobayashi Shinsaku

  Institute For Nuclear Study University Of Tokyo

• Matsuda Kazuhisa

  Institute For Nuclear Study University Of Tokyo

• Kikuchi Ken

  Institute For Nuclear Study University Of Tokyo

• Nagahara Yukio

  Institute For Nuclear Study University Of Tokyo

• YAMAZAKI Takashi

  Institute for Nuclear Study, University of Tokyo:Department of Physics, Osaka University

• HU Chuin

  Institute for Nuclear Study, University of Tokyo:Department of Physics, Osaka University

• ODA Yukiyasu

  Institute for Nuclear Study, University of Tokyo:Department of Physics, Osaka University

• KOBAYASHI Shinsaku

  Institute for Nuclear Study, University of Tokyo:Institute for Nuclear Study, University of Tokyo

• KIKUCHI Ken

  Institute for Nuclear Study, University of Tokyo:University of Minnesota, on leave from INS

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