omega-nucleus bound states in the Walecka model

Abstract

Using the Walecka model, we investigate theoretically whether an omega meson is bound to finite nuclei. We study several nuclei from 6He to 208Pb, and compare the results with those in the quark-meson coupling (QMC) model. Our calculation shows that deeper omega-nucleus bound states are predicted in the Walecka model than in QMC. One can expect to detect such bound states in the proposed experiment involving the (d,3He) reaction at GSI.

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