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      Simulation of the breakup channel in three-particle collisions with pseudoreaction channels

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      Author(s)
      Kuruolu, Z.C.
      Date
      1991
      Source Title
      Physical Review A
      Print ISSN
      10502947
      Volume
      44
      Issue
      11
      Pages
      7307 - 7317
      Language
      English
      Type
      Article
      Item Usage Stats
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      Abstract
      A pseudochannel extension of the coupled-reaction-channel (CRC) method is investigated formally and numerically as a means of simulating the effect of the breakup channel on the rearrangement amplitudes. The equations of the pseudostate-augmented CRC method are derived within a two-Hilbert-space approach. The connection of the effective CRC transition operators with the postform transition operators of the formal scattering theory is established. Alternative formulations of the method corresponding to different ways of treating the nonorthogonality interaction are given. Convergence with respect to the number and nature of the pseudostates are investigated numerically on a solvable three-particle model. It is observed that the results obtained with six distinct sets of pseudochannels that have considerably different threshold energies converge toward the exact ones. © 1991 The American Physical Society.
      Permalink
      http://hdl.handle.net/11693/26188
      Published Version (Please cite this version)
      http://dx.doi.org/10.1103/PhysRevA.44.7307
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