Abstract
The polarizations of the quark field and the pion field in the system of two nucleon bags are studied by using the MIT bag model with the chiral invariance. We calculate the quark field and the virtual pion field by the perturbational method based on the conservation of the axial vector current. The requirement of the chiral symmetry induces the polarization of the quark field inside the nucleon bags as well as that of the pion field outside them. These polarizations are analogous to those in electromagnetism. They induce various kinds of effects that depend on the bag radius. In this article we study the corrections to the magnetic moment of deuteron (Δµ/µd≃+0.17%), the isovector M1 amplitude (ΔM/M≃-0.15%) and the potential between two nucleon bags. The correction to the nuclear force in the triplet odd state brings about the delicate cancellation in the intermediate region.
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