The last decade has witnessed great experimental progress that has led to measurements of
near-threshold cross sections—polarized as well as unpolarized—of high accuracy for …

We investigate the structure of the nucleon resonance N*(1440)(Roper) within a coupled-
channel meson exchange model for pion-nucleon scattering. The coupling to π π N states is …

We show that two almost degenerate poles near the π Δ threshold and the next higher mass
pole in the P 11 partial wave of π N scattering evolve from a single bare state through its …

The fluxes of light antinuclei A≤ 4 induced near Earth by cosmic ray interactions with the
interstellar matter in the Galaxy and with the Earth's atmosphere are calculated in a …

We have developed a model for the NN→ NNππ reaction and evaluated cross sections for
the different charged channels. The low energy part of those channels where the pions can …

With an effective Lagrangian approach, we analyze several NN→ NN π π channels by
including various resonances with mass up to 1. 72 GeV. For the channels with the pion pair …

Dibaryons: Molecular versus compact hexaquarks - IOPscience This site uses cookies. By
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Phase shifts and inelasticity parameters for NN scattering in the partial-wave channels^
3S_1 3 S 1–^ 3D_1 3 D 1 and^ 1S_0 1 S 0 at energies T_ lab T lab from zero to about 1 GeV …

We study the electromagnetic transitions of the Roper N (1440) resonance. Our results,
when combined with the previously obtained for the mass and the pionic strong decay …

We present a coupled channels model for π N scattering based on N, Δ, and NS 11*(1535)
pole and nonpole contributions, plus correlated 2 π and a 0 meson exchange. The open …