A consistent explanation of the Roper phenomenology

Details A consistent explanation of the Roper phenomenology A consistent explanation of the Roper phenomenology

1998-04-29

arxiv.org/abs/nucl-th/9804071v2

Phys.Lett. B431 (1998) 270-276

Physics

Nuclear Physics

Nuclear Theory

14 pages, 4 figures (7 postscript files). Some referencess added

Scientific paper

10.1016/S0370-2693(98)00574-7

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 widths of the Roper, show that within a non-relativistic constituent quark model scheme, a comprehensible understanding of the Roper phenomenology can be achieved. They also seem to support the view of the Roper as a radial excitation of the nucleon, though more experimental data are needed to reach a definitive conclusion.

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