Effects of a quark-model-based nucleon-Δ potential on the two-nucleon system above pion threshold

A. Valcarce; F. Fernández; H. Garcilazo; M. T. Peña; P. U. Sauer

doi:10.1103/PhysRevC.49.1799

Effects of a quark-model-based nucleon-Δ potential on the two-nucleon system above pion threshold

A. Valcarce, F. Fernández, H. Garcilazo, M. T. Peña, P. U. Sauer

Producción científica: Contribución a una revista › Artículo › revisión exhaustiva

24 Citas (Scopus)

Resumen

The interaction between a nucleon and a Δ isobar is studied. The nucleon-Δ potential is derived from a nonrelativistic quark model. It is compared with a corresponding one based on meson exchange. The quark-model potential is strongly repulsive at small relative distances. The effects of the potential on elastic and inelastic nucleon-nucleon and pion-deuteron scattering are calculated. Some observables show sensitivity with respect to the chosen nucleon-Δ potential.

Idioma original	Inglés
Páginas (desde-hasta)	1799-1813
Número de páginas	15
Publicación	Physical Review C
Volumen	49
N.º	4
DOI	https://doi.org/10.1103/PhysRevC.49.1799
Estado	Publicada - 1994
Publicado de forma externa	Sí

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abstract = "The interaction between a nucleon and a Δ isobar is studied. The nucleon-Δ potential is derived from a nonrelativistic quark model. It is compared with a corresponding one based on meson exchange. The quark-model potential is strongly repulsive at small relative distances. The effects of the potential on elastic and inelastic nucleon-nucleon and pion-deuteron scattering are calculated. Some observables show sensitivity with respect to the chosen nucleon-Δ potential.",

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AU - Peña, M. T.

AU - Sauer, P. U.

PY - 1994

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AB - The interaction between a nucleon and a Δ isobar is studied. The nucleon-Δ potential is derived from a nonrelativistic quark model. It is compared with a corresponding one based on meson exchange. The quark-model potential is strongly repulsive at small relative distances. The effects of the potential on elastic and inelastic nucleon-nucleon and pion-deuteron scattering are calculated. Some observables show sensitivity with respect to the chosen nucleon-Δ potential.

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Effects of a quark-model-based nucleon-Δ potential on the two-nucleon system above pion threshold

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