Spectroscopic study of the high-spin states inPr135

Transverse Wobbling inPr135

“…The observed level scheme is in good agreement with previously-published results, except that the transitions belonging to the wobbling band were observed, but not correctly arranged in a band-like structure, in the low-statistics work presented in Ref. [16], and only the beginnings of the dipole band were observed in more recent unpublished data [18,19].…”

“…1; it builds on results previously reported for this nucleus [16][17][18][19]. Spin and parity assignments for newly identified levels were made on the basis of DCO ratios, angular distributions, polarization measurements, and arguments from crossover γ-ray transitions.…”

In-beamγspectroscopy of the odd-Znucleus139Pm

“…However, in our work the yrast band obviously exhibits two band crossings, which are shown in Fig. 6, and similar features have been found in 135 Pr [16] and 141 Eu [13]. For 139 Pm, a first sharp backbend is observed at a rotational frequency ofhω = 0.45 MeV.…”

Semidecoupled band structure in odd-oddLa134andPrOliveira1, Emediato2, Cybulska3 et al. 1992Phys. Rev. C15020View full textAdd to dashboardCite

“…Thus we can only state an upper limit of 0.31 MeV for the crossing frequency which is close to the calculated value of 0.3 MeV for the crossing of the h»~z proton orbital, indicating that the~h »~2 orbital is not blocked in contrast to the situation in the yrast band. In this context we point out that the band assigned to the z [413]& configuration in~s sPr [16] exhibits nearly collective prolate shape, with the first backbend occurring at 0.32 MeV.…”

“…In the neighboring odd-neutron nucleus Ce, the observed yrast band with a bandhead spin of 9/2 [14] is built on a hei/2 neutron strongly coupled to the core (0"=9/2), while the yrast bands in the odd-proton nuclei, issLa [15] and issPr [16], with bandhead spins of 11/2 are due to a decoupled hiil2 proton (0"=1/2). This suggests a~h »~z(3vh»~2 configuration for the yrast band in…”