Single-particle and cluster modes of 13C excited states of 3.09, 8.86 and 9.89 MeV
Urazbekov B.A. Karakozov B.K. Burtebayev N.T. Janseitov D.M. Nasrulla M. Alimov D. Valiolda D.S. Kazhykenov S.H. Denikin A.S. Demyanova A.S. Danilov A.N. Starastcin V.A.
1 April 2022World Scientific
International Journal of Modern Physics E
2022#31Issue 4
The elastic and inelastic scatterings of deuterons from 13C are registered in a wide range of angles at the laboratory energy of 14.5 MeV. Data on the differential cross-sections are treated within both the optical model and coupled-channels method. A new set of optical potential parameters is found. Analyses of the d +13 C∗ nuclear reactions are carried out for the levels of excitation 3.089, 8.86 and 9.87 MeV. The single particle 12C + n, and cluster 9Be + α models are applied in calculations of differential cross-sections. The calculations show that the state 3.089 MeV is populated with the single particle configuration, while the latter bands 8.86 MeV and 9.87 MeV mainly have the cluster 9Be + α excitation. The major contribution of the Hoyle state of the core 12C is not observed, but the cluster 9Be + α configuration is ascertained to be the main contributor to the state 8.86 MeV.
cluster , coupled-channels , excitation , optical model , Single-particle
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BLTP, JINR, 20 Joiliot Curie Street, Dubna, Moscow Region, 141980, Russian Federation
Institute of Nuclear Physics, 1 Ibragimov Street, Almaty, 050032, Kazakhstan
Al-Farabi Kazakh National University, 71 Al-Farabi Avenue, Almaty, 050040, Kazakhstan
FLNR, JINR, 20 Joiliot Curie Street, Dubna, Moscow Region, 141980, Russian Federation
Dubna State University, 19 Universitetskaya Street, Moscow Region, 141980, Russian Federation
NRC Kurchatov Institute, 1 Akademika Kurchatova Square, Moscow, 123182, Russian Federation
BLTP
Institute of Nuclear Physics
Al-Farabi Kazakh National University
FLNR
Dubna State University
NRC Kurchatov Institute
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