6533b82afe1ef96bd128b744
RESEARCH PRODUCT
Restoring the valence-shell stabilization in Nd 140
H. De WitteJ. SnällO. MöllerLiam GaffneyLiam GaffneyE. GiannopoulosE. GiannopoulosE. GiannopoulosJ. G. CubissA. BlazhevRadostina ZidarovaRadostina ZidarovaAmar BoukhariD. RosiakV. KarayonchevP. ReiterM. DjongolovN. WarrP. SpagnolettiA. VogtJ. JolieD. KochevaM. StoyanovaG. G. O'neillG. G. O'neillV. WernerS. ThielP. A. SöderströmG. RainovskiJ. WiederholdHerbert HessK. A. GladnishkiNorbert PietrallaMarcus ScheckTh. KröllJoakim CederkällJoakim CederkällR. StegmannR. KernJ. M. KeatingsA. WelkerC. FransenL. KayaJanne PakarinenJanne Pakarinensubject
PhysicsScience & TechnologyProton010308 nuclear & particles physicsProjectilePhysicsMIXED-SYMMETRYStochastic matrixAnalytical chemistryCoulomb excitationPROTON114 Physical sciences01 natural sciencesPhysics NuclearSTATESPhysical Sciences0103 physical sciencesMatrix element010306 general physicsValence electronBeam (structure)Mixing (physics)description
A projectile Coulomb-excitation experiment was performed at the radioactive-ion beam facility HIE-ISOLDE at CERN to obtain E2 and M1 transition matrix elements of Nd-140 using the multistep Coulomb-excitation code GOSIA. The absolute M1 strengths, B(M1; 2(2)(-) -> 2(1)(+)) = 0.033(8)mu(2)(N), B(M1 ; 2(3)(+) -> 2(1)(+)) = 0.26(-0.10)(+0.11)mu(2)(N), and B(M1; 2(4)+ -> 2(1)(+)) <0.04 mu(2)(N) identify the 2(3)(+) state as the main fragment of the one-quadrupole-phonon proton-neutron mixed-symmetry state of Nd-140. The degree of F-spin mixing in Nd-140 was quantified with the determination of the mixing matrix element VF-mix <7(-7)(-13) keV. Peer reviewed
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2020-10-16 | Physical Review C |