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Decomposition of scattering phase shifts and reaction cross sections using the complex scaling method

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Title: Decomposition of scattering phase shifts and reaction cross sections using the complex scaling method
Authors: Odsuren, Myagmarjav Browse this author
Katō, Kiyoshi Browse this author →KAKEN DB
Aikawa, Masayuki Browse this author →KAKEN DB
Myo, Takayuki Browse this author
Issue Date: 28-Mar-2014
Publisher: American Physical Society
Journal Title: Physical Review C
Volume: 89
Issue: 3
Start Page: 034322
Publisher DOI: 10.1103/PhysRevC.89.034322
Abstract: We apply the complex scaling method to the calculation of scattering phase shifts and extract the contributions of resonances in a phase shift and a cross section. The decomposition of the phase shift is shown to be useful in understanding the roles of resonant and nonresonant continuum states. As examples, we apply this method to several two-body systems: (i) a schematic model with the Gyarmati potential, which produces many resonances, (ii) the α−α system, which has a Coulomb barrier potential in addition to an attractive nuclear interaction, and (iii) the α−n system, which has no barrier potential. Using different kinds of potentials, we discuss the reliability of this method to investigate the resonance structure in the phase shifts and cross sections.
Rights: ©2014 American Physical Society
Type: article
Appears in Collections:理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 加藤 幾芳

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