Partial Decay Widths in Coupled-Channel Systems with the Complex-Scaled Jost Function Method

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概要

• 論文の詳細を見る

• Partial decay widths of resonant states in a coupled-channel system are studied by using the complex-scaled Jost function method(CSJFM). With CSJFM, we use the ratio of the S-matrices to calculate partial decay widths, and then we need not introduce any "channel radius", which is used in standard scattering theory. Combining the Jost function method (JFM)and the complex scaling method(CSM), we can easily obtain many resonant states even for a large total width and partial decay widths simultaneously. Several methods to calculate partial decay widths in CSM are also discussed and are shown to give the same values in CSJFM.

• 理論物理学刊行会の論文
• 1999-12-25

著者

• KATO Kiyoshi

  Division of Physics, Graduate School of Science, Hokkaido University

• Myo Takayuki

  Division Of Physics Graduate School Of Science Hokkaido University

• AOYAMA Shigeyoshi

  Information Processing Center, Kitami Institute of Technology

• AOYAMA Shigeyoshi

  Integrated Information Processing Center, Niigata University

• MASUI Hiroshi

  Graduated School of Science, Hokkaido University

• AOYAMA Shigeyoshi

  Graduate Scool of Science, Hokkaido University

• Masui Hiroshi

  Meme Media Laboratory Graduate School Of Engineer Hokkaido University

• Aoyama Shigeyoshi

  Information Processing Center Kitami Institute Of Technology

• Kato Kiyoshi

  Division Of Physics Graduate School Of Science Hokkaido University

• MASUI Hiroshi

  Meme Media Laboratory, Graduate School of Engineer, Hokkaido University

• KATO Kiyoshi

  Division of Endocrinology and Metabolism, Department of Homeostatic Regulation and Development, Niigata University Graduate School of Medical and Dental Sciences

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