Benchmark calculation for proton-deuteron elastic scattering observables including the Coulomb interaction

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Deltuva, A. et al.: Benchmark calculation for proton-deuteron elastic scattering observables including the Coulomb interaction. In: Physical Review C 71 (2005), Nr. 6, 064003. DOI: https://doi.org/10.1103/PhysRevC.71.064003

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Abstract: 
Two independent calculations of proton-deuteron elastic scattering observables including Coulomb repulsion between the two protons are compared in the proton laboratory energy region between 3 and 65 MeV. The hadron dynamics is based on the purely nucleonic charge-dependent AV18 potential. Calculations are done in both 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 to the order of 1% on all observables, showing the reliability of both numerical techniques in that energy domain. At energies below the three-body breakup threshold, the coordinate-space method remains favored; at energies higher than 65 MeV, the momentum-space approach seems to be more efficient.
License of this version: Es gilt deutsches Urheberrecht. Das Dokument darf zum eigenen Gebrauch kostenfrei genutzt, aber nicht im Internet bereitgestellt oder an Außenstehende weitergegeben werden.
Document Type: article
Publishing status: publishedVersion
Issue Date: 2005
Appears in Collections:Fakultät für Mathematik und Physik

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5 image of flag of Vietnam Vietnam 1 3.57%
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8 image of flag of Japan Japan 1 3.57%
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