Quark-Model Nucleon–Nucleon Interaction Applied to Nucleon-Deuteron Scattering
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We have examined the neutron-deuteron low-energy effective-range parameters, differential cross sections and spin polarization observables of the elastic nucleon-deuteron scattering up to the incident nucleon energy E[N] = 65 MeV, using the quark-model nucleon–nucleon interaction fss2. These observables are consistently described without introducing three nucleon forces except for the nucleon analyzing power A[y](θ) and the deuteron vector analyzing power iT(θ) in the low-energy region E[N] ≤ 25 MeV. The long-standing A[y] puzzle is slightly improved, but still remains. We have incorporated the screened Coulomb force to the proton-deuteron scattering, modifying the Vincent–Phatak approach for the sharp cutoff Coulomb force. The Coulomb effect on the elastic scattering observables is discussed.
- Few-Body Systems
Few-Body Systems 54(1-4), 483-487, 2013-03