Nuclear Matter with Quark-Meson Coupling I: Comparison of Nontopological Soliton Models

Details Nuclear Matter with Quark-Meson Coupling I: Comparison of Nontopological Soliton Models Nuclear Matter with Quark-Meson Coupling I: Comparison of Nontopological Soliton Models

1999-10-19

arxiv.org/abs/nucl-th/9910050v1

Physics

Nuclear Physics

Nuclear Theory

Latex, 23 pages, 8 figures

Scientific paper

A system of nontopological solitons interacting through scalar and vector meson exchange is used to model nuclear matter. The models studied are of the Friedberg-Lee type, which exhibit dynamical bag formation due to the coupling of quarks to a scalar composite gluon field. It is shown that the chiral chromodielectric model gives the best fit to the empirical data. The presence of the scalar meson guarantees saturation and an increase of the proton charge radius with nuclear density consistent with the EMC effect.

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