Quenching of Magnetic Moments in Nuclei

Publisher Website
Google Scholar
Abstract
Starting from the premise that with modern dispersion-theoretical techniques one has a reliable method for calculating the anomalous magnetic moment of a nucleon, we have calculated the modification or "quenching" of this moment for a nucleon in nuclear matter. The effect we consider here is due to the fact that nucleons are not allowed by the exclusion principle to recoil into states already occupied by other nucleons in the nucleus. The actual technique we have used in our calculation is to sum all the Feynman diagrams that are included in the dispersion-theory calculation of the single-nucleon moment. We then write the nucleon propagator as a sum over states and remove those states in which the nucleon is inside the Fermi sea. Our result is that the anomalous moment is reduced by ≈7%.

This publication has 12 references indexed in Scilit: