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Investigation of the optical potentials for the 40Ca(α,t)41Sc reaction at 40 MeV

  • Original Paper - Particles and Nuclei
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Abstract

The 40Ca(α,t)41Sc reaction has been studied at a 40 MeV incident energy. The angular distributions of the eight states of the reaction are analyzed using the full finite-range (FFR) distorted-wave Born approximation (DWBA) for both the bound and the unbound states of the 41Sc nucleus using the normal optical, Michel and molecular potentials. The spectroscopic factors that have been extracted for the three optical potentials are compared with the previous local zero-range (LZR) and local finite-range (LFR) calculations of the 40Ca(α,t)41Sc reaction for the normal optical potential. The χ2 values of all the potentials for different l transfers are calculated to estimate the quality of fits. The present analysis shows that the Michel and the molecular potentials fit the data more satisfactorily than the normal optical potential.

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Acknowledgements

This work is partially supported by a grant approved by the authority of the University Grants Commission (U.G.C.), Dhaka, Bangladesh. The authors thankfully acknowledge the grant. We would also like to thank Professor S. Hossain for useful discussions regarding the elastic scattering calculations using the optical model code SCAT2.

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Authors and Affiliations

  1. Department of Physics, Chandina Redwan Ahmed College, Comilla, 3500, Bangladesh

    U. K. Mazumder

  2. Department of Physics, Shahjalal University of Science and Technology, Sylhet, 3114, Bangladesh

    A. Somadder, E. Hoque & S. K. Das

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  1. U. K. Mazumder
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  2. A. Somadder
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  3. E. Hoque
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  4. S. K. Das
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Correspondence to A. Somadder or S. K. Das.

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Mazumder, U.K., Somadder, A., Hoque, E. et al. Investigation of the optical potentials for the 40Ca(α,t)41Sc reaction at 40 MeV. J. Korean Phys. Soc. 80, 543–550 (2022). https://doi.org/10.1007/s40042-022-00453-7

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  • DOI: https://doi.org/10.1007/s40042-022-00453-7

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