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Information × Registration Number 0221U106053, 0117U004021 , R & D reports Title Investigations of properties of the neutron-rich nuclear substance in complex nuclear processes popup.stage_title Head Ivanyuk Fedir O., Registration Date 04-10-2021 Organization Institute of Nuclear Research of the National Academy of Sciences of Ukraine popup.description2  The report includes the results of investigations that were carried out in the nuclear theory department of the Imstitute for nuclear research in the year 2017. The partial pressure caused by the symmetry energy is calculated and it is found that it causes the effect of polarization of the density of particles outside the beta-stability line. It is shown that the partial pressure is positive and it reduces the particle density relative to the equilibrium density on the beta-stability line. Using experimental data in a wide range of mass number A and the corresponding values ​​of equimolar radii, the following A-schedule is established for the surface tension coefficient: σ (A) = σ0 + σ1 A ^ {- 1/3} where σ0 = (0.98 ± 0.03) ) and σ1 = (0.75 ± 0.16) MeV fm ^ {- 2}. Product Description popup.authors Abrosimov Valery I. Gorpinchenko Dmytro V. Krivenko_Emetov Yaroslav D. Lukyanov Sergii V. Magner Oleksandr G. Radionov Sergij V Sanzhur Andrey I Fedotkin Sergij M Sharopova Olena M. popup.nrat_date 2021-10-04 Close