6533b82cfe1ef96bd128ff2d
RESEARCH PRODUCT
New region of deformation in the neutron-rich 60 24Cr36 and 62 24Cr38
F. De Oliveira SantosJ. C. AngéliqueB. PfeifferYu. E. PenionzhkevichF. IbrahimS. GrévyD. Guillemaud-muellerF. NowackiJ. MrasekKarl KratzM. LewitowiczC. DonzaudF. AzaiezZ. DlouhyV. ChisteF. PougheonM. StanoiuAlfredo PovesS. M. LukyanovM. G. Saint-laurentO. SorlinC. Bourgeoissubject
PhysicsNuclear and High Energy PhysicsIsotope010308 nuclear & particles physicsHadron[PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex]01 natural sciencesmedicine.anatomical_structureAtomic orbital0103 physical sciencesmedicineNuclear fusionNeutronAtomic physics010306 general physicsRandom phase approximationSpectroscopyNucleusdescription
The neutron-rich nuclei 23 60-63V have been produced at GANIL via interactions of a 61.8A·MeV 76Ge beam with a 58Ni target. Beta-decay to 24 60-63Cr has been investigated using combined β- and γ-ray spectroscopy. Half-lives of the 60-63V nuclei have been determined, and the existence of a beta-decay isomer in the 60V nucleus is strongly supported. The observation of low-energy 2+ states in 60Cr (646keV) and 62Cr (446keV) suggests that these isotopes are strongly deformed with β2 ∼ 0.3. This is confirmed by shell model calculations which show the dominant influence of the intruder g and d orbitals to obtain low 2+ energies in the neutron-rich Cr isotopes.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2003-01-01 | The European Physical Journal A |