### Abstract

Nucleon structure and the origin and nature of the nuclear force are investigated in the context of a quantum chromodynamics motivated effective Lagrangian for quark and diquark fields and the path-integral method of hadronization. We start from a microscopic model of quarks and diquarks where the gluons have been integrated out. In particular, we use the chiral Nambu–Jona-Lasinio model to describe quark dynamics and assume that the nucleon can be conceived as a quark-diquark relativistic bound state. The hadronization method is then used to rewrite the problem in terms of the physical meson and nucleon degrees of freedom. Next, by employing a loop expansion of the resulting quark/diquark determinants, we arrive at an effective chiral meson-nucleon Lagrangian. Nucleon properties such as mass, coupling constants, electromagnetic radii, anomalous magnetic moments, and form factors are derived using a theory of at most two free parameters.

Original language | English |
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Number of pages | 1 |

Journal | Physical Review C - Nuclear Physics |

Volume | 66 |

Issue number | 2 |

DOIs | |

Publication status | Published - 1 Jan 2002 |

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### ASJC Scopus subject areas

- Nuclear and High Energy Physics

### Cite this

*Physical Review C - Nuclear Physics*,

*66*(2). https://doi.org/10.1103/PhysRevC.66.025206