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

@inproceedings{Odsuren2014DecompositionOS,
  title={Decomposition of scattering phase shifts and reaction cross sections using the complex scaling method},
  author={Myagmarjav Odsuren and Kiyoshi Katō and Masayuki Aikawa and Takayuki Myo},
  year={2014}
}
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 to understand the roles of resonant and non-resonant 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… CONTINUE READING

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