Abstract
The measurement of fusion cross sections from the \(^{9}\)Be induced reaction on \(^{93}\)Nb within the energy range of 20–46 MeV has been conducted using off-beam \(\gamma \)-ray spectroscopy. The measured excitation functions have been analyzed using equilibrium and pre-equilibrium reaction-based model codes to understand the underlying mechanisms. Additionally, the measured fusion excitation function was examined within the framework of the coupled-channel approach using the CCFULL code. Notably, the coupled-channel calculations, including couplings to inelastic states of the target and the projectile, yielded a satisfactory description of the sub-barrier fusion data. However, at energies above the barrier, the fusion cross section was observed to be suppressed by approximately 17% compared to the predictions made by the coupled-channel calculations.
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Data Availability Statement
This manuscript has no associated data or the data will not be deposited. [Authors’ comment: We have included the measured cross section data explicitly in a tabular format within the article. Therefore, we have no further information to deposit.]
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Acknowledgements
The authors thank the BARC-TIFR Pelletron staff for their cooperation and assistance during the experiment. The research fellowships from DST-INSPIRE (IF180078) and MHRD, Government of India, are gratefully acknowledged. We acknowledge the support of the Department of Atomic Energy, Government of India, under Project Identification No. RTI 4002.
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Sharma, H., Maiti, M., Sagwal, M. et al. Study of \(^{9}\)Be fusion in \(^{93}\)Nb near the Coulomb barrier. Eur. Phys. J. A 60, 64 (2024). https://doi.org/10.1140/epja/s10050-024-01296-5
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DOI: https://doi.org/10.1140/epja/s10050-024-01296-5