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

Research output: Contribution to journalArticlepeer-review

90 Citations (Scopus)

Abstract

A new method of pseudostate discretization is proposed for the method of continuum discretized coupled channels to deal with three-body breakup processes. In the method, discrete S-matrix elements to the pseudo (discretized) continuum states are transformed into smooth ones to the exact continuum states of the projectile. As for the basis functions for describing pseudostate wave functions, we take real- and complex-range Gaussian functions, which form in good approximation a complete set in a finite configuration space being important for breakup processes. This "approximate-completeness" property is essential to make transformed S-matrix elements accurate. Moreover, the use of these Gaussian bases is expected to be very useful to describe four-body breakup processes. Accuracy of the method is tested quantitatively for two realistic examples: elastic and projectile-breakup processes in d+ 58Ni scattering at 80 MeV and those in 6Li+ 40Ca at 156 MeV.

Original languageEnglish
Pages (from-to)646071-6460710
Number of pages5814640
JournalPhysical Review C - Nuclear Physics
Volume68
Issue number6
Publication statusPublished - Dec 1 2003

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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