Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2005-03-04
Phys.Rev. C71 (2005) 064003
Physics
Nuclear Physics
Nuclear Theory
Submitted to Phys. Rev. C
Scientific paper
10.1103/PhysRevC.71.064003
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 Schr\"odinger 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.
Deltuva Arnoldas
Fonseca Antonio C.
Kievsky Alejandro
Rosati S.
Sauer Peter U.
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