Maqola

Collective rotation and vibration in neutron-rich<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mmultiscripts><mml:mi mathvariant="normal">Hf</mml:mi><mml:mprescripts/><mml:none/><mml:mrow><mml:mn>180</mml:mn><mml:mo>,</mml:mo><mml:mn>182</mml:mn></mml:mrow></mml:mmultiscripts></mml:math>nuclei

E. Ngijoi-YogoDepartment of Physics, University of Massachusetts Lowell, Lowell, Massachusetts 01854, USAS. K. TandelDepartment of Physics, University of Massachusetts Lowell, Lowell, Massachusetts 01854, USAG. MukherjeeDepartment of Physics, University of Massachusetts Lowell, Lowell, Massachusetts 01854, USAI. ShestakovaDepartment of Physics, University of Massachusetts Lowell, Lowell, Massachusetts 01854, USAP. ChowdhuryDepartment of Physics, University of Massachusetts Lowell, Lowell, Massachusetts 01854, USAC. Y. WuNuclear Structure Research Laboratory, University of Rochester, Rochester, New York 14627 USAD. ClineNuclear Structure Research Laboratory, University of Rochester, Rochester, New York 14627 USAA. B. HayesNuclear Structure Research Laboratory, University of Rochester, Rochester, New York 14627 USAR. TengDepartment of Physics, University of Massachusetts Lowell, Lowell, Massachusetts 01854, USAR. M. ClarkNuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USAP. FallonDepartment of Physics, University of Massachusetts Lowell, Lowell, Massachusetts 01854, USAA. O. MacchiavelliNuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USAK. VetterDepartment of Physics, University of Massachusetts Lowell, Lowell, Massachusetts 01854, USAF. G. KondevDepartment of Physics, University of Massachusetts Lowell, Lowell, Massachusetts 01854, USAS. D. LangdownDepartment of Physics, University of Massachusetts Lowell, Lowell, Massachusetts 01854, USAP. M. WalkerDepartment of Physics, University of Surrey, Guildford, GU2 7XH, United KingdomC. WheldonDepartment of Physics, Oliver Lodge Laboratory, University of Liverpool, Liverpool, L69 7ZE (United Kingdom)D. M. CullenDepartment of Physics, University of Massachusetts Lowell, Lowell, Massachusetts 01854, USA

Physical Review Cjournal2007lv

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Annotatsiya

High-spin states in neutron-rich $^{180}\mathrm{Hf}$ and $^{182}\mathrm{Hf}$ nuclei were populated through inelastic and transfer reactions with a $^{136}\mathrm{Xe}$ beam incident on a thin $^{180}\mathrm{Hf}$ target, and investigated using particle-\ensuremath{\gamma} coincidence techniques. New collective band structures were observed, and previously known rotational and vibrational bands in these nuclei were extended to higher angular momenta. No obvious nucleon alignment was observed in the ground state band of either nucleus up to $\ensuremath{\hbar}\ensuremath{\omega}=0.43$ MeV, a significant delay compared to lighter even-even Hf isotopes. Woods-Saxon cranking calculations were performed to predict the nature of the first band crossings and shape evolution in $^{180,182}\mathrm{Hf}$.

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Mavzular

Nuclear physics research studies Rare-earth and actinide compounds Advanced NMR Techniques and Applications

Identifikatorlar

DOI: 10.1103/physrevc.75.034305

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