Quartet S-wave p-d scattering in EFT

Abstract

We present a power counting to include Coulomb effects in the three-nucleon system in a low-energy pionless effective field theory (EFT). With this power counting, the quartet S-wave proton-deuteron elastic scattering amplitude is calculated. The calculation includes next-to-leading order (NLO) Coulomb effects and next-to-next-to-leading order (NNLO) strong interaction effects, with an estimated theoretical error of about 7 %. The EFT results agree with potential model calculations and phase shift analysis of experimental data within the estimated errors.

17 pages LaTeX2e with 6 figures; appendix added, typos corrected

References in corpus (4)

• Low Energy Expansion in the Three Body System to All Orders and the Triton Channel
• Range Corrections to Doublet S-Wave Neutron-Deuteron Scattering
• Proton-Proton Fusion in Effective Field Theory to Fifth Order
• Nucleon Polarisabilities from Compton Scattering on the Deuteron

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