6533b826fe1ef96bd1285059
RESEARCH PRODUCT
Collectivity and Configuration Mixing inPb186,188andPo194
Juha UusitaloY. Le CozS. ChristenA.-p. LeppänenI. G. DarbyA. DewaldS. EeckhaudtR. JulinB. MelonM. LeinoJ. JolieRobert PagePaivi NieminenS. JuutinenHeikki KettunenP. MaierbeckJanne PakarinenC. W. BeausangT. KröllPaul GreenleesD. A. MeyerC. ScholeyP. RahkilaJan SarénR. KrückenB. SahaP. PetkovM. NymanAndreas GörgenO. MöllerT. GrahnM. SandzeliusK. HelariuttaPeter B. Jonessubject
PhysicsNuclear physicsRecoilDeformation (mechanics)General Physics and AstronomyHigh Energy Physics::ExperimentBeta (velocity)State (functional analysis)Prolate spheroidElectronic band structureMolecular physicsMixing (physics)Radioactive decaydescription
Lifetimes of prolate intruder states in {sup 186}Pb and oblate intruder states in {sup 194}Po have been determined by employing, for the first time, the recoil-decay tagging technique in recoil distance Doppler-shift lifetime measurements. In addition, lifetime measurements of prolate states in {sup 188}Pb up to the 8{sup +} state were carried out using the recoil-gating method. The B(E2) values have been deduced from which deformation parameters vertical bar {beta}{sub 2} vertical bar =0.29(5) and vertical bar {beta}{sub 2} vertical bar =0.17(3) for the prolate and the oblate bands, respectively, have been extracted. The results also shed new light on the mixing between different shapes.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2006-08-07 | Physical Review Letters |