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We propose a novel approach to incorporate the proton-proton (pp) Coulombforce into the three-nucleon (3N) Faddeev calculations. The main new ingredientis a 3-dimensional screened pp Coulomb t-matrix obtained by a numericalsolution of the 3-dimensional Lippmann-Schwinger (LS) equation. We demonstratenumerically and provide analytical insight that the elastic proton-deuteron(pd) observables can be determined directly from the resulting on shell 3Namplitude increasing the screening radius. The screening limit exists withoutthe need of renormalisation not only for observables but for the elastic pdamplitude itself.

A novel treatment of the proton-proton Coulomb force in elastic proton-deuteron Faddeev calculations