A Consistent Explanation of the Roper Phenomenology
نویسنده
چکیده
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. PACS: 12.39.Jh, 12.40.Vv, 13.40.Gp, 13.40.Hq
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تاریخ انتشار 1998