Phys.Rev. C 76, 061301 (2007)

H.Makii, T.Ishii, M.Asai, K.Tsukada, A.Toyoshima, M.Matsuda, A.Makishima, J.Kaneko, H.Toume, S.Ichikawa, S.Shigematsu, T.Kohno, M.Ogawa

Z dependence of the N = 152 deformed shell gap: In-beam γ-ray spectroscopy of neutron-rich ^{245, 246}Pu

NUCLEAR REACTIONS ²⁴⁴Pu(¹⁸O, ¹⁷O), (¹⁸O, ¹⁶O), E=162 MeV; measured Eγ, Iγ, γγ-coin, half-lives. ^245,246Pu; deduced levels, J, π, configurations. Compared with experimental and calculated values for the first 2⁺ level energy in ^{232,234,236,238,240,242}U, ^{234,236,238,240,242,244,248}Pu, ^{240,242,244,246,248,250}Cm, ^{244,246,248,250,252,254}Cf, ^{250,252,254,256}Fm, ^{248,250,252,254,256,258}No. ²⁴⁷Cm, ²⁴⁹Cf, ²⁵¹Fm, ²⁵³No; systematics.

doi: 10.1103/PhysRevC.76.061301