Energy-dependent Lorentz covariant parameterization of the interaction between 50 and 200 MeV

ZP Li, GC Hillhouse, J Meng - Physical Review C—Nuclear Physics, 2008 - APS
For laboratory kinetic energies between 50 and 200 MeV, we focus on generating an energy-
dependent Lorentz covariant parametrization of the on-shell nucleon-nucleon (NN) …

Wave-function-based emulation for nucleon-nucleon scattering in momentum space

AJ Garcia, C Drischler, RJ Furnstahl, JA Melendez… - Physical Review C, 2023 - APS
Emulators for low-energy nuclear physics can provide fast and accurate predictions of
bound-state and scattering observables for applications that require repeated calculations …

Energy-dependent Lorentz covariant representation of the NN interaction

OV Maxwell - Nuclear Physics A, 1996 - Elsevier
A phenomenological Lorentz covariant representation of the NN t-matrix has been obtained
with parameters that are explicitly energy dependent. The real and imaginary parts of the t …

Covariant spectator theory of scattering: Effective range expansions and relativistic deuteron wave functions

F Gross, A Stadler - Physical Review C—Nuclear Physics, 2010 - APS
We present the effective range expansions for the 1 S 0 and 3 S 1 scattering phase shifts,
and the relativistic deuteron wave functions that accompany our recent high precision fits …

Relativistic predictions of quasielastic proton-nucleus spin observables based on a complete Lorentz invariant representation of the scattering matrix

BIS Van der Ventel, GC Hillhouse, PR De Kock - Physical Review C, 2000 - APS
Within the framework of the relativistic plane wave impulse approximation (RPWIA),
complete sets of quasielastic (p→, p′) and (p→, n→) spin observables are calculated …

Lorentz covariant representation of the NN interaction at energies above 500 MeV

OV Maxwell - Nuclear Physics A, 1998 - Elsevier
Using the formalism developed in the paper by Maxwell [Nucl. Phys. A 600 (1996) 509] a
relativistic Love-Franey representation of the NN t-matrix has been obtained over the …

Sensitivity of exclusive proton knockout spin observables to different Lorentz invariant representations of the NN interaction

BIS Van Der Ventel, GC Hillhouse - Physical Review C—Nuclear Physics, 2004 - APS
Within the framework of the relativistic plane wave impulse approximation, we study the
observable consequences of employing a complete Lorentz invariant representation of the …

Lorentz covariant orbital-spin scheme for the effective couplings

BS Zou, F Hussain - Physical Review C, 2003 - APS
For excited nucleon states N* of arbitrary spin coupling to nucleon (N) and meson (M), we
propose a Lorentz covariant orbital-spin (L− S) scheme for the effective N* NM couplings. To …

Order-by-order uncertainties of nucleon-nucleon Wolfenstein amplitudes in chiral effective field theory

B McClung, C Elster, DR Phillips - arXiv preprint arXiv:2501.09231, 2025 - arxiv.org
Quantum mechanical invariance principles dictate the most general operator structure that
can be present in the nucleon-nucleon (NN) interaction. Five independent operators appear …

Ab initio nucleon-nucleus elastic scattering with chiral effective field theory uncertainties

RB Baker, B McClung, C Elster, P Maris, SP Weppner… - Physical Review C, 2022 - APS
Background: Effective interactions for nucleon-nucleus elastic scattering from first principles
require the use of the same nucleon-nucleon interaction in the structure and reaction …