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Type: Journal article
Title: Composite nucleons in scalar and vector mean fields
Author: Saito, K.
Thomas, A.
Citation: Physical Review C: Nuclear Physics, 1995; 52(5):2789-2791
Publisher: American Physical Society
Issue Date: 1995
ISSN: 0556-2813
Statement of
K. Saito, A. W. Thomas
Abstract: We emphasize that the composite structure of the nucleon may play quite an important role in nuclear physics. It is shown that the momentum-dependent repulsive force of second order in the scalar field, which plays an important role in Dirac phenomenology, can be found in the quark-meson coupling (QMC) model, and that the properties of nuclear matter are well described through the quark-scalar density in a nucleon and a self-consistency condition for the scalar field. The difference between theories of pointlike nucleons and composite ones may be seen in the change of the ω-meson mass in nuclear matter if the composite nature of the nucleon suppresses contributions from nucleon-antinucleon pair creation.
Rights: ©1995 American Physical Society
DOI: 10.1103/PhysRevC.52.2789
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