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Uncertainty Quantification of the Pion-Nucleon Low-Energy Coupling Constants up to Fourth Order in Chiral Perturbation Theory
K. A. Wendt, B. D. Carlsson, A. Ekström
We extract the statistical uncertainties for the pion-nucleon () low energy constants (LECs) up to fourth order in the chiral expansion of the nuclear effect…
Infrared extrapolations for atomic nuclei
R. J. Furnstahl, G. Hagen, T. Papenbrock +1
Harmonic oscillator model-space truncations introduce systematic errors to the calculation of binding energies and other observables. We identify the relevant infrared scaling vari…
Statistical uncertainties of a chiral interaction at next-to-next-to leading order
A. Ekström, B. D. Carlsson, K. A. Wendt +4
We have quantified the statistical uncertainties of the low-energy coupling-constants (LECs) of an optimized nucleon-nucleon (NN) interaction from chiral effective field theory ($χ…
Effects of three-nucleon forces and two-body currents on Gamow-Teller strengths
A. Ekström, G. R. Jansen, K. A. Wendt +5
We optimize chiral interactions at next-to-next-to leading order to observables in two- and three-nucleon systems, and compute Gamow-Teller transitions in carbon-14, oxygen-22 and…