Deformations and Magnetic Rotations in the 60Ni Nucleus

Summary, in English

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

• Author: D. A. Torres; F. Cristancho; Lise-Lotte Andersson; Emma Johansson; Dirk Rudolph; Claes Fahlander; Jörgen Ekman; Rickard du Rietz; C. Andreoiu; M. P. Carpenter; D. Seweryniak; S. Zhu; R. J. Charity; C. J. Chiara; C. Hoel; O. L. Pechenaya; W. Reviol; D. G. Sarantites; L. G. Sobotka; C. Baktash; C. -H. Yu; B. G. Carlsson; I. Ragnarsson
• Department/s: Nuclear physics; Mathematical Physics
• Publishing year: 2008
• Language: English
• Publication/Series: Physical Review C (Nuclear Physics)
• Volume: 78
• Issue: 5
• Links: http://dx.doi.org/10.1103/PhysRevC.78.054318
• Document type: Journal article
• Publisher: American Physical Society
• Topic: Subatomic Physics
• Status: Published
• Research group: Nuclear Structure
• ISBN/ISSN/Other: ISSN: 0556-2813