6533b828fe1ef96bd128827b
RESEARCH PRODUCT
Spectroscopic study of228-234Th nuclei using multi-nucleon transfer reactions
M. A. DeleplanqueI Y LeesK. J. CannJ. F. C. CocksJ. F. C. CocksP. A. ButlerP. FallonS. J. AsztalosB. FornalT. LauritsenC. T. ZhangP. BhattacharyyaR. M. DiamondR. M. ClarkPaul GreenleesF. S. StephensG. D. JonesR. JulinA. O. MachiavelliPeter M. JonesR. BrodaN. AmzalR. W. MacleodJ. F. Smithsubject
PhysicsNuclear and High Energy PhysicsNuclear TheoryThoriumchemistry.chemical_elementParity (physics)Nuclear physicsElectric dipole momentmedicine.anatomical_structurechemistrymedicineAtomic physicsNuclear ExperimentNucleonSpectroscopyNucleusIsotopes of thoriumdescription
Light-actinide nuclei in the octupole deformed region have been populated using multi-nucleon transfer from Th. The energy level schemes of several thorium isotopes with A = 228-234 have been extended up to and negative parity states have been observed for the first time in Th. A systematic study of the difference in alignment between the positive- and negative-parity bands in thorium nuclei in this mass region shows that Th behave like octupole vibrators, in contrast with Th, which are octupole-deformed in character. An intrinsic electric dipole moment has been measured for the first time in Th. The small value obtained is consistent with the vibrational description of this nucleus.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 1999-01-01 | Journal of Physics G: Nuclear and Particle Physics |