Meson exchange and nucleon polarizabilities in the quark model

Details Meson exchange and nucleon polarizabilities in the quark model Meson exchange and nucleon polarizabilities in the quark model

1998-07-31

arxiv.org/abs/nucl-th/9807085v2

Phys.Rev. C61 (2001) 065202

Physics

Nuclear Physics

Nuclear Theory

11 pages, 1 figure added, expanded discussion

Scientific paper

10.1103/PhysRevC.61.065202

Modifications to the nucleon electric polarizability induced by pion and sigma exchange in the q-q potentials are studied by means of sum rule techniques within a non-relativistic quark model. Contributions from meson exchange interactions are found to be small and in general reduce the quark core polarizability for a number of hybrid and one-boson-exchange q-q models. These results can be explained by the constraints that the baryonic spectrum impose on the short range behavior of the mesonic interactions.

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