1. ODD NUCLEI, TIME-REVERSAL SYMMETRY BREAKING, AND MAGNETIC POLARIZATION OF THE EVEN-EVEN CORE
- Author
-
P. Quentin, Ludovic Bonneau, Nikolai Minkov, and David Samsœn
- Subjects
Physics ,Nuclear and High Energy Physics ,Paramagnetism ,Magnetization ,T-symmetry ,Quantum electrodynamics ,Nuclear Theory ,General Physics and Astronomy ,Nucleon ,Polarization (waves) - Abstract
The addition of an extra nucleon to an even-even core generates, in most cases, a polarization of this core which is essentially due to a spin paramagnetic type of coupling. It is shown here that these results (which have been obtained so far only with the SIII Skyrme force) seems to be robust against the change of the Skyrme force parameters for the charge state corresponding to the added nucleon and somewhat less for the other charge state. The consequences drawn from calculations with the SIII force about the effect of the core polarization on the effective spin gyromagnetic factors, hold also for the two other Skyrme force parametrizations (SkM* and SLy4) considered here. A very good reproduction of the average phenomenological quenching of these factors from their free values, is also obtained. Finally, the rare cases where these rules do not hold are discussed. more...
- Published
- 2010
- Full Text
- View/download PDF