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New treatment of breakup continuum in the method of continuum discretized coupled channels

T. Matsumoto·T. Kamizato·K. Ogata·Y. Iseri·E. Hiyama·M. Kamimura·M. Yahiro
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Abstract

A new method of pseudo-state discretization is proposed for the method of continuum discretized coupled channels (CDCC) to deal with three-body breakup processes. We propose real- and complex-range Gaussian bases for the pseudo-state wave functions, and show that they form in good approximation a complete set in the configuration space which is important for breakup processes. Continuous S-matrix elements are derived with the approximate completeness from discrete ones calculated by CDCC. Accuracy of the method is tested quantitatively for two realistic examples, d+$^{58}$Ni scattering at 80 MeV and $^{6}$Li+$^{40}$Ca scattering at 156 MeV with the satisfactory results. Possibility of application of the method to four-body breakup processes is also discussed.

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T. Matsumoto, T. Kamizato, K. Ogata, Y. Iseri, E. Hiyama, M. Kamimura, M. Yahiro. 2003-06-03. New treatment of breakup continuum in the method of continuum discretized coupled channels. https://doi.org/10.1103/physrevc.68.064607

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