Many-body corrections to the nuclear anapole moment
โ Scribed by Vladimir F. Dmitriev; Vladimir B. Telitsin
- Publisher
- Elsevier Science
- Year
- 1997
- Tongue
- English
- Weight
- 754 KB
- Volume
- 613
- Category
- Article
- ISSN
- 0375-9474
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โฆ Synopsis
The many body contributions to the nuclear anapole moment of 133Cs, 2ยฐ5T!, 2ยฐ7'2ยฐ9pb and 2ยฐ9Bi are calculated in the random-phase approximation with the effective residual interaction. A strong reduction of a valence nucleon contribution was found, caused by the core polarization effects. The new type of contribution to the anapole moment from the core particles due to the induced weak interaction was calculated. The last contribution compensates the former reduction to large extent. The compensation is complete in the leading approximation if the proton-neutron residual forces are absent.
๐ SIMILAR VOLUMES
A recently proposed statistical theory of the mean fields associated with the ground and excited collective states of a generic many-body system is extended by increasing the dimensions of the Pspace. In applying the new framework to nuclear matter, in addition to the mean field energies we obtain t