224 citations · 1.6k across the 72 of their papers we have counts for
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nucl-th2004★ 2 cited
Pion re-scattering operator in the S-matrix approach
V. Malafaia, J. Adam, M. T. Pena
The pion re-scattering operator for pion production, derived recently in time-ordered perturbation theory, is compared with the one following from the simple S-matrix construction.…
nucl-th2004
Relativistic NN scattering without partial wave decomposition
G. Ramalho, A. Arriaga, M. T. Pena
We consider the covariant Spectator equation with a One Boson Exchange (OBE) kernel, and apply it to the NN system. Relativistic effects such as retardation and negative-energy sta…