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The Production of the Isotopes with Z = 98–106 in the Multinucleon Transfer Reaction 238U + 251Cf

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Bulletin of the Russian Academy of Sciences: Physics Aims and scope

Abstract

The multinucleon transfer process in the reaction 238U + 251Cf is investigated by the dinuclear system model with GEMINI++ code. The time evolution of the fragment probability is studied. For the fragments with larger proton number, the time needed to reach the maximum probability is larger. The isotopic distributions become wider at larger evolution time, and more neutron-rich and proton-rich nuclei can be produced. On the neutron-rich side, the ΔU values becomes higher at larger incident angular momentum, resulting in lower cross sections of neutron-rich nuclei. New neutron-rich isotopes with Z = 98–104 are produced with cross sections larger than 1 nb. Three unknown Db isotopes and two unknown Sg isotopes are generated with cross sections larger than 1 pb.

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Funding

This work was supported by the National Natural Science Foundation of China under Grants nos. 11635003, 11025524, 11161130520, 11675225, 11435014, 11375017, and 11405224; the National Basic Research Program of China under Grant nos. 2010CB832903 and 2018YFA0404402; the European Commissions 7th Framework Programme (Fp7-PEOPLE-2010-IRSES) under Grant no. 269131; Chinese Academy of Sciences (Grant no. XDPB09).

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Authors and Affiliations

  1. The Key Laboratory of Beam Technology of Ministry of Education, College of Nuclear Science and Technology, Beijing Normal University, 100875, Beijing, China

    G. Zhang, C. A. T. Sokhna & F. S. Zhang

  2. Beijing Radiation Center, 100875, Beijing, China

    G. Zhang, C. A. T. Sokhna & F. S. Zhang

  3. Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator of Lanzhou, 730000, Lanzhou, China

    F. S. Zhang

Authors
  1. G. Zhang
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  2. C. A. T. Sokhna
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  3. F. S. Zhang
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Correspondence to F. S. Zhang.

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Zhang, G., Sokhna, C.A. & Zhang, F.S. The Production of the Isotopes with Z = 98–106 in the Multinucleon Transfer Reaction 238U + 251Cf. Bull. Russ. Acad. Sci. Phys. 84, 485–490 (2020). https://doi.org/10.3103/S106287382004036X

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  • DOI: https://doi.org/10.3103/S106287382004036X

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