Nuclear effective field theory: status and perspectives
The nuclear-physics landscape has been redesigned as a sequence of effective field
theories (EFTs) connected to the standard model through symmetries and lattice simulations …
theories (EFTs) connected to the standard model through symmetries and lattice simulations …
Roy–Steiner-equation analysis of pion–nucleon scattering
We review the structure of Roy–Steiner equations for pion–nucleon scattering, the solution
for the partial waves of the t-channel process π π→ N ̄ N, as well as the high-accuracy …
for the partial waves of the t-channel process π π→ N ̄ N, as well as the high-accuracy …
Semilocal momentum-space regularized chiral two-nucleon potentials up to fifth order
P Reinert, H Krebs, E Epelbaum - The European Physical Journal A, 2018 - Springer
We introduce new semilocal two-nucleon potentials up to fifth order in the chiral expansion.
We employ a simple regularization approach for the pion exchange contributions which i) …
We employ a simple regularization approach for the pion exchange contributions which i) …
A recipe for EFT uncertainty quantification in nuclear physics
RJ Furnstahl, DR Phillips… - Journal of Physics G …, 2015 - iopscience.iop.org
The application of effective field theory (EFT) methods to nuclear systems provides the
opportunity to rigorously estimate the uncertainties originating in the nuclear Hamiltonian …
opportunity to rigorously estimate the uncertainties originating in the nuclear Hamiltonian …
Nucleon polarizabilities: from Compton scattering to hydrogen atom
F Hagelstein, R Miskimen, V Pascalutsa - Progress in Particle and Nuclear …, 2016 - Elsevier
We review the current state of knowledge of the nucleon polarizabilities and of their role in
nucleon Compton scattering and in hydrogen spectrum. We discuss the basic concepts, the …
nucleon Compton scattering and in hydrogen spectrum. We discuss the basic concepts, the …
Nucleon electric polarizabilities and nucleon-pion scattering at the physical pion mass
XH Wang, ZL Zhang, XH Cao, CL Fan, X Feng… - Physical Review Letters, 2024 - APS
We present a lattice QCD calculation of the nucleon electric polarizabilities at the physical
pion mass. Our findings reveal the substantial contributions of the N π states to these …
pion mass. Our findings reveal the substantial contributions of the N π states to these …
Cottingham formula and nucleon polarisabilities
J Gasser, M Hoferichter, H Leutwyler… - The European Physical …, 2015 - Springer
The difference between the electromagnetic self-energies of proton and neutron can be
calculated with the Cottingham formula, which expresses the self-energies as an integral …
calculated with the Cottingham formula, which expresses the self-energies as an integral …
Designing optimal experiments: an application to proton Compton scattering
Interpreting measurements requires a physical theory, but the theory's accuracy may vary
across the experimental domain. To optimize experimental design, and so to ensure that the …
across the experimental domain. To optimize experimental design, and so to ensure that the …
Charged pion electric polarizability from four-point functions in lattice QCD
Polarizabilities reveal valuable information on the internal structure of hadrons in terms of
charge and current distributions. For neutral hadrons, the standard approach is the …
charge and current distributions. For neutral hadrons, the standard approach is the …
Predictions of covariant chiral perturbation theory for nucleon polarisabilities and polarised Compton scattering
We update the predictions of the SU (2) baryon chiral perturbation theory for the dipole
polarisabilities of the proton,{α _ E1,\, β _ M1\} _p={11.2 (0.7),\, 3.9 (0.7)\} * 10^-4 α E 1, β M …
polarisabilities of the proton,{α _ E1,\, β _ M1\} _p={11.2 (0.7),\, 3.9 (0.7)\} * 10^-4 α E 1, β M …