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64 papers · 1 filter
Perturbation theory for a systematic account of the bound-state motion
Alexander N. Kvinikhidze, Hagop Sazdjian, Boris Blankleider
We derive a perturbation theory (PT) for the Lorentz boost operator in the space of two-nucleon wave functions. The latter is expressed in terms of the nucleon-nucleon () poten…
Dyson-Schwinger approach to pion-nucleon scattering using time-ordered perturbation theory
B. Blankleider, J. L. Wray, A. N. Kvinikhidze
We present a simple description of pion-nucleon () scattering taking into account the full complexity of pion absorption and creation on the nucleon. To do this we solve Dyson-…
Effect of Nucleon Dressing on the Triton Binding Energy
B. Blankleider, S. S. Kumar, A. N. Kvinikhidze
The effect of nucleon dressing by pions, on the binding energy of three nucleons interacting via two-body forces, is calculated for the first time within a conventional nuclear phy…
Electromagnetic currents of the pion-nucleon system
T. Skawronski, B. Blankleider, A. N. Kvinikhidze
Pion photoproduction amplitudes are calculated from a set of equations that have been derived by coupling an external photon to all places in a dressed pion-nucleon vertex. The cal…
Model Dependence of the 2H Electric Dipole Moment
Iraj R. Afnan, Benjamin F. Gibson
Background: Direct measurement of the electric dipole moment (EDM) of the neutron lies in the future; measurement of a nuclear EDM may well come first. The deuteron is one nucleus…
Crossing symmetric potential model of pion-nucleon scattering
B. Blankleider, A. N. Kvinikhidze, T. Skawronski
A crossing symmetric scattering amplitude is constructed through a complete attachment of two external pions to the dressed nucleon propagator of an underlying potential…