Tilting instability in negative-γrotating nuclei
arXiv:0704.2451 · doi:10.1143/PTP.119.421
Abstract
Based on the cranking model and the random phase approximation, we point out that the wobbling excitation on top of the s band in ^{182}Os is stable against angular momentum tilting. This is consistent with the general trend that the wobbling excitations in γ<0 rotating nuclei are more stable than those in γ>0 ones found in our previous studies. In higher N isotopes known to be γsoft, however, a different type of tilting instability is expected. Its possible correspondence to the experimental data is also discussed.
8 pages, 3 figures, Prog. Theor. Phys., accepted