Triton and Neutron-Deuteron Scattering up to Next-to-Leading Order in Chiral EFT

Rimantas Lazauskas; U. van Kolck; Young-Ho Song

Triton and Neutron-Deuteron Scattering up to Next-to-Leading Order in Chiral EFT

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arxiv 1612.09090 v2 pith:GDZU6MNM submitted 2016-12-29 nucl-th

Young-Ho Song , Rimantas Lazauskas , U. van Kolck This is my paper

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keywords next-to-leadingchiralneutron-deuteronorderrenormalizationscatteringsystemthree-nucleon

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Determination of the proper power-counting scheme is an important issue for the systematic application of Chiral Effective Field Theory in nuclear physics. We analyze the cutoff dependence of three-nucleon observables (the neutron-deuteron scattering lengths and the triton binding energy) at the leading and next-to-leading orders of a power counting that ensures order-by-order renormalization in the two-nucleon system. Our results imply that three-body forces are not needed for renormalization of the three-nucleon system up to next-to-leading order, as usually assumed in the literature. (Erratum to the original article is included)

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Perturbative calculations of nucleon-deuteron elastic scattering in chiral effective field theory
nucl-th 2026-02 conditional novelty 6.0 of 10

A fixed-kernel perturbation framework computes nucleon-deuteron scattering up to next-to-leading order in chiral EFT, benchmarked against wave-packet continuum discretization.

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