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Benchmark calculation for proton-deuteron elastic scattering observables including Coulomb | | A. Deltuva
; A.C. Fonseca
; A. Kievsky
; S. Rosati
; P.U. Sauer
; M. Viviani
; | | Date: |
4 Mar 2005 | | Journal: | Phys.Rev. C71 (2005) 064003 | | Subject: | nucl-th | | Abstract: | Two independent calculations of proton-deuteron elastic scattering observables including Coulomb repulsion between the two protons are compared in the proton lab energy region between 3 MeV and 65 MeV. The hadron dynamics is based on the purely nucleonic charge-dependent AV18 potential. Calculations are done both in coordinate space and momentum space. The coordinate-space calculations are based on a variational solution of the three-body Schrödinger equation using a correlated hyperspherical expansion for the wave function. The momentum-space calculations proceed via the solution of the Alt-Grassberger-Sandhas equation using the screened Coulomb potential and the renormalization approach. Both methods agree within 1% on all observables, showing the reliability of both numerical techniques in that energy domain. At energies below three-body breakup threshold the coordinate-space method remains favored whereas at energies higher than 65 MeV the momentum-space approach seems to be more efficient. | | Source: | arXiv, nucl-th/0503015 | | Services: | Forum | Review | PDF | Favorites | |
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