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Analysis of the reaction cross-sections of 22−36Na+12C and 19−27F+12C at 240MeV/u.

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Title: Analysis of the reaction cross-sections of 22−36Na+12C and 19−27F+12C at 240MeV/u.
Authors: Rashdan, M.1 (AUTHOR), Taha, M. M.1 (AUTHOR) mahmoudmt@hotmail.com, Abdel-Karim, T. A.2 (AUTHOR), Esmail, S.1 (AUTHOR)
Source: International Journal of Modern Physics E: Nuclear Physics. Jun2019, Vol. 28 Issue 6, pN.PAG-N.PAG. 12p.
Subjects: Optical limiting, Radius (Geometry), Isotopes, Fermi energy, Quadrupoles
Abstract: The nucleus–nucleus reaction cross-sections of 2 2 − 3 6 Na + 1 2 C and 1 9 − 2 7 F + 1 2 C at 240 MeV/u are calculated using the optical limit of the Glauber model. The deformation and radii of a deformed Fermi density are calculated from the relativistic mean field (RMF). The results are compared with the recent experimental data. It is found that the Fermi density whose quadrupole deformation parameters and radii are derived from RMF, using TMA effective interaction in the RMF Lagrangian, provide a satisfactory explanation of the experimental data of Na isotopes, except for 3 0 , 3 1 Na, which are expected to be strongly deformed. For F isotopes, the deformed Fermi density adjusted to the radii derived from RMF, using TMA interaction, presents a lower reaction cross-section. The Lagrangian parameters set NL3* gives a good description of the data which is better than that predicted by TMA. On the other hand, the two forces cannot describe the reaction cross-section of 2 7 F since it is expected to have a deformed halo structure. The radius deduced from the data is found to be of the order 3.5 fm. [ABSTRACT FROM AUTHOR]
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Abstract:The nucleus–nucleus reaction cross-sections of 2 2 − 3 6 Na + 1 2 C and 1 9 − 2 7 F + 1 2 C at 240 MeV/u are calculated using the optical limit of the Glauber model. The deformation and radii of a deformed Fermi density are calculated from the relativistic mean field (RMF). The results are compared with the recent experimental data. It is found that the Fermi density whose quadrupole deformation parameters and radii are derived from RMF, using TMA effective interaction in the RMF Lagrangian, provide a satisfactory explanation of the experimental data of Na isotopes, except for 3 0 , 3 1 Na, which are expected to be strongly deformed. For F isotopes, the deformed Fermi density adjusted to the radii derived from RMF, using TMA interaction, presents a lower reaction cross-section. The Lagrangian parameters set NL3* gives a good description of the data which is better than that predicted by TMA. On the other hand, the two forces cannot describe the reaction cross-section of 2 7 F since it is expected to have a deformed halo structure. The radius deduced from the data is found to be of the order 3.5 fm. [ABSTRACT FROM AUTHOR]
ISSN:02183013
DOI:10.1142/S0218301319500460