Maqola

Deformations and magnetic rotations in the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mmultiscripts><mml:mi mathvariant="normal">Ni</mml:mi><mml:mprescripts/><mml:none/><mml:mrow><mml:mn>60</mml:mn></mml:mrow></mml:mmultiscripts></mml:math>nucleus

D. A. TorresDepartamento de Física, Universidad Nacional de Colombia, Bogotá, ColombiaF. CristanchoDepartamento de Física, Universidad Nacional de Colombia, Bogotá, ColombiaL.-L. AnderssonDepartment of Physics, Lund University, S–22100 Lund, SwedenEmma JohanssonDepartment of Physics, Lund University, S–22100 Lund, SwedenD. RudolphDepartamento de Física, Universidad Nacional de Colombia, Bogotá, ColombiaC. FahlanderDepartment of Physics, Lund University, S–22100 Lund, SwedenJ. EkmanDepartment of Physics, Lund University, S–22100 Lund, SwedenR. du RietzDepartamento de Física, Universidad Nacional de Colombia, Bogotá, ColombiaC. AndreoiuDepartamento de Física, Universidad Nacional de Colombia, Bogotá, ColombiaM. P. CarpenterDepartamento de Física, Universidad Nacional de Colombia, Bogotá, ColombiaD. SeweryniakDepartamento de Física, Universidad Nacional de Colombia, Bogotá, ColombiaS. ZhuPhysics Division, Argonne National Laboratory, Argonne, Illinois 60493, USAR. J. CharityChemistry Department, Washington University, St. Louis, Missouri 63130, USAC. J. ChiaraChemistry Department, Washington University, St. Louis, Missouri 63130, USAC. HoelChemistry Department, Washington University, St. Louis, Missouri 63130, USAO. L. PechenayaDepartamento de Física, Universidad Nacional de Colombia, Bogotá, ColombiaW. ReviolChemistry Department, Washington University, St. Louis, Missouri 63130, USAD. G. SarantitesChemistry Department, Washington University, St. Louis, Missouri 63130, USAL. G. SobotkaChemistry Department, Washington University, St. Louis, Missouri 63130, USAC. BaktashDepartamento de Física, Universidad Nacional de Colombia, Bogotá, ColombiaC.-H. YuPhysics Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA,B. G. CarlssonDepartamento de Física, Universidad Nacional de Colombia, Bogotá, ColombiaI. RagnarssonDepartamento de Física, Universidad Nacional de Colombia, Bogotá, Colombia

2008lv

ABI

Annotatsiya

Data from three experiments using the heavy-ion fusion evaporation-reaction ${}^{36}\mathrm{Ar}+{}^{28}\mathrm{Si}$ have been combined to study high-spin states in the residual nucleus $^{60}\mathrm{Ni}$, which is populated via the evaporation of four protons from the compound nucleus $^{64}\mathrm{Ge}$. The GAMMASPHERE array was used for all the experiments in conjunction with a $4\ensuremath{\pi}$ charged-particle detector arrays (MICROBALL, LUWUSIA) and neutron detectors (NEUTRON SHELL) to allow for the detection of $\ensuremath{\gamma}$ rays in coincidence with the evaporated particles. An extended $^{60}\mathrm{Ni}$ level scheme is presented, comprising more than $270\ensuremath{\gamma}$-ray transitions and 110 excited states. Their spins and parities have been assigned via directional correlations of $\ensuremath{\gamma}$ rays emitted from oriented states. Spherical shell-model calculations in the $\mathit{fp}$-shell characterize some of the low-spin states, while the experimental results of the rotational bands are analyzed with configuration-dependent cranked Nilsson-Strutinsky calculations.

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DOI: 10.1103/physrevc.78.054318

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