A1 Journal article (refereed)
Investigation of fusion probabilities in the reactions with 52,54Cr, 64Ni, and 68Zn ions leading to the formation of Z = 120 superheavy composite systems (2020)
Novikov, K. V., Kozulin, E. M., Knyazheva, G. N., Itkis, I. M., Itkis, M. G., Bogachev, A.A., Diatlov, I. N., Cheralu, M., Kumar, D., Kozulina, N. I., Pan, A. N., Pchelintsev, I. V., Vorobiev, I. V., Trzaska, W. H., Heinz, S., Devaraja, H. M., Lommel, B., Vardaci, E., Spinosa, S., . . . Filipescu, D. M. (2020). Investigation of fusion probabilities in the reactions with 52,54Cr, 64Ni, and 68Zn ions leading to the formation of Z = 120 superheavy composite systems. Physical Review C, 102(4), Article 044605. https://doi.org/10.1103/PhysRevC.102.044605
JYU authors or editors
Publication details
All authors or editors: Novikov, K. V.; Kozulin, E. M.; Knyazheva, G. N.; Itkis, I. M.; Itkis, M. G.; Bogachev, A. A.; Diatlov, I. N.; Cheralu, M.; Kumar, D.; Kozulina, N. I.; et al.
Journal or series: Physical Review C
ISSN: 2469-9985
eISSN: 2469-9993
Publication year: 2020
Publication date: 08/10/2020
Volume: 102
Issue number: 4
Article number: 044605
Publisher: American Physical Society (APS)
Publication country: United States
Publication language: English
DOI: https://doi.org/10.1103/PhysRevC.102.044605
Publication open access: Not open
Publication channel open access:
Publication is parallel published (JYX): https://jyx.jyu.fi/handle/123456789/72098
Abstract
Purpose: The investigation of fission and quasifission processes in the formation of Z=120 superheavy composite systems in the 52,54Cr+248Cm and 68Zn+232Th reactions, and their comparison with the 64Ni+238U reaction at energies in the vicinity of the Coulomb barrier.
Methods: Mass-energy distributions of fissionlike fragments formed in the reactions 52,54Cr+248Cm and 68Zn+232Th at energies near the Coulomb barrier were measured using the double-arm time-of-flight spectrometer CORSET.
Results: Capture cross sections for the reactions under investigation were measured. The most probable fragment masses and total kinetic energies as well as their variances in dependence on the interaction energy were studied for asymmetric and symmetric fragments. The fusion probabilities were estimated from the analysis of mass-energy distributions.
Conclusions: The estimated fusion probability drops down by a factor of 103 in the 54Cr+248Cm reaction compared to the reactions of 48Ca ions with actinides. Among the studied reactions, the 54Cr+248Cm is the most favorable one for the production of the superheavy element with Z=120.
Keywords: nuclear physics; nuclear fusion; nuclear fission
Free keywords: low and intermediate energy heavy-ion reactions; nuclear fusion
Contributing organizations
Ministry reporting: Yes
Reporting Year: 2020
JUFO rating: 2