Phys.Rev. C 87, 014332 (2013)

M.Asai, K.Tsukada, M.Sakama, H.Haba, T.Ichikawa, Y.Ishii, A.Toyoshima, T.Ishii, I.Nishinaka, Y.Nagame, Y.Kasamatsu, M.Shibata, Y.Kojima, H.Hayashi

Ground-state configuration of the N=157 nucleus ²⁵⁹No

RADIOACTIVITY ²⁵⁹No(α)[from ²⁴⁸Cm(¹⁸O, 3nα), E=94 MeV]; measured Eα, Iα, Eγ, I(K-x rays), αγ-coin, T_1/2 at JAEA facility. ²⁵⁵Fm; deduced levels, J, π, multipolarity, configuration. ²⁵⁹No; deduced ground-state configuration. ^{255,257,259,261,263,265}No; calculated energies of neutron single-particle orbitals, and β₂, β₄, β₆ deformation parameters using macroscopic-microscopic model based on FRLDM and Strutinsky shell correction method. Observed α lines from decays of ^211,213,214Po, ²¹¹At, ^{250,254,255,256}Fm, ²⁵³Es, ²⁵⁷No, ²⁶¹Rf formed in competing reaction channels.

doi: 10.1103/PhysRevC.87.014332