Phys.Rev. C 83, 044318 (2011)

L.Coquard, G.Rainovski, N.Pietralla, T.Ahn, L.Bettermann, M.P.Carpenter, R.V.F.Janssens, J.Leske, C.J.Lister, O.Moller, T.Moller, W.Rother, V.Werner, S.Zhu

O(6)-symmetry breaking in the γ -soft nucleus ¹²⁶Xe and its evolution in the light stable xenon isotopes

NUCLEAR REACTIONS ¹²C(¹²⁶Xe, ¹²⁶Xe'), E=399 MeV; measured Eγ, Iγ, γγ-coin, Coulomb excitation cross sections using Gammasphere array. ¹²⁶Xe; deduced levels, J, π, bands, B(E2), B(E3) and B(M1) transition strengths, half-lives. Comparison with sd-IBM-1 calculations. O(6)-symmetry breaking and O(5)-symmetry conservation in ^124,126,128Xe.

doi: 10.1103/PhysRevC.83.044318