Effect of Coriolis Interaction on the Decay of Isotones with N = 149 and N = 153

The quasi-neutron structure of nuclei in two chains of odd isotones with N = 149 and N = 153: 243,247 Pu, 245,249 Cm, 247,251 Cf, 249,253 Fm, 251,255 No, and is considered. Single-particle energy spectra are calculated using the two center shell model (TCSM). Minimizing the potential energy with res...

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Bibliographic Details
Published in:Bulletin of the Russian Academy of Sciences. Physics 2018-06, Vol.82 (6), p.691-696
Main Authors: Markova, M. L., Shneidman, T. M., Antonenko, N. V., Tretyakova, T. Yu
Format: Article
Language:English
Subjects:
Coriolis force
Energy spectra
Hadrons
Heavy Ions
Mathematical analysis
Neutrons
Nuclear Physics
Nuclei (nuclear physics)
Particle energy
Physics
Physics and Astronomy
Potential energy
Wave functions
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Summary:The quasi-neutron structure of nuclei in two chains of odd isotones with N = 149 and N = 153: 243,247 Pu, 245,249 Cm, 247,251 Cf, 249,253 Fm, 251,255 No, and is considered. Single-particle energy spectra are calculated using the two center shell model (TCSM). Minimizing the potential energy with respect to the collective coordinates gives the ground state of the studied nucleos, which is subsequently used to describe low-lying quasi-neutron states. The K -mixing of the basis TCSM wave functions is considered by including the Coriolis correction in the total Hamiltonian of the system. The effect of level blocking is also considered in the calculations. The probabilities of the E 2 transitions to the ground states and the corresponding lifetimes of the quasi-neutron levels are estimated.
ISSN:1062-8738
1934-9432
DOI:10.3103/S1062873818060187