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Perturbative treatment of three-nucleon force contact terms in three-nucleon Faddeev equations
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Perturbative treatment of three-nucleon force contact terms in three-nucleon Faddeev equations
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We present a perturbative approach to solving the three-nucleon continuum Faddeev equation. This approach is particularly well suited to dealing with variable strengths of contact terms in a chiral three-nucleon force. We use examples of observables in the elastic nucleon-deuteron scattering as well as in the deuteron breakup reaction to demonstrate high precision of the proposed procedure and its capability to reproduce exact results. A significant reduction of computer time achieved by the perturbative approach in comparison to exact treatment makes this approach valuable for fine-tuning of the three-nucleon Hamiltonian parameters.
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Cited by 1 Pith paper
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