Scattering of α -particles and 3 He by 24 Mg nuclei at energies about 50–60 MeV
Sadykov B.M. Zholdybayev T.K. Burtebayev N. Duisebayev B.A. Nassurlla M. Burtebayeva J. Nassurlla M. Sakuta S.B. Pan A.N.
April 2021Springer Science and Business Media Deutschland GmbH
European Physical Journal A
2021#57Issue 4
Differential cross sections of elastic and inelastic scattering with excitation of states of the rotational band of the ground state of 24Mg were measured at an α-particle energy of 50.5 MeV and 3He 60 MeV. The angular distributions were analyzed using an optical model and a coupled channel method. A number of potentials with significantly different geometries are obtained, which describe well the elastic scattering at the measured angular range. The collective model was used in the calculations via the coupled channel method. In addition to the ground state, three low-lying states of 24Mg, 2+ (1.368 MeV), 4+ (4.122 MeV), and 4.238 MeV (2+), were included in the coupling scheme. The values of quadrupole (β2) and hexadecapole (β4) deformation parameters were extracted. According to the analysis of scattering of α-particles, they are 0.52 and 0.05. For 3He, they are 0.75 and 0.07, respectively. The extracted parameters correspond to the previously obtained values from the scattering of protons, deuterons and α-particles.
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Institute of Nuclear Physics, Almaty, Kazakhstan
Al-Farabi Kazakh National University, Almaty, Kazakhstan
National Research Center “Kurchatov Institute”, Moscow, Russian Federation
Institute of Nuclear Physics
Al-Farabi Kazakh National University
National Research Center “Kurchatov Institute”
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