Fusion of Weakly-Bound ⁹Be With Heavy Nuclei ²⁰⁸PB: A Multi-Body Three-Stage Classical Molecular Dynamics Approach
DOI:
https://doi.org/10.26565/2312-4334-2026-1-12Keywords:
Weakly-bound nuclei, Heavy-ion collisions, Fusion reactions, Classical Molecular DynamicsAbstract
The fusion of the weakly bound 9Be nucleus with 208Pb is investigated using a multi-body three-stage classical molecular dynamics (3S-CMD) approach. This model explicitly treats 9Be as a cluster of 4He and 5He, allowing for the relaxation of rigid-body constraints on both projectile fragments and the target. In this paper, the influence of these constraints on the complete fusion (CF) cross-section, considering both central and non-central collisions is studied. Systematic removal of rigidity constraints, particularly on the target and the 9Be fragments, significantly affects the CF cross-section, especially at sub-barrier energies. Calculations show that relaxing these constraints enhances CF, indicating the important role of breakup and internal degrees of freedom. The multibody 3S-CMD model provides a tool for understanding the interplay of breakup and fusion in reactions involving weakly bound nuclei.
References
M. Beckerman, Reports on Progress in Physics, 51(8), 1047 (1988). https://doi.org/10.1088/0034-4885/51/8/001.
C. Signorini, A. Andrighetto, M. Ruan, J.Y. Guo, L. Stroe, F. Soramel, K.E.G. Löbner, et al., Physical Review C, 61(6), 061603 (2000). https://doi.org/10.1103/PhysRevC.61.061603
S. B. Moraes, P.R. S. Gomes, J. Lubian, J. J. S. Alves, R. M. Anjos, M. M. Sant’Anna, I. Padrón, et al., Physical Review C, 61(6), 064608 (2000). https://doi.org/10.1103/PhysRevC.61.064608
M. Dasgupta, D. J. Hinde, R. D. Butt, R. M. Anjos, A. C. Berriman, N. Carlin, P. R. S. Gomes, et al., Physical Review Letters, 82(7), 1395 (1999). https://doi.org/10.1103/PhysRevLett.82.1395
C. Signorini, Z. H. Liu, Z. C. Li, K. E. G. Löbner, L. Müller, M. Ruan, K. Rudolph, et al., et al., The European Physical Journal A – Hadrons and Nuclei, 5(1), 7 (1999). https://doi.org/10.1007/s100500050250
J. Takahashi, M. Munhoz, E. M. Szanto, N. Carlin, N. Added, A. A. P. Suaide, M. M. de Moura, et al., Physical Review Letters, 78(1), 30 (1997). https://doi.org/10.1103/PhysRevLett.78.30
A. Mukherjee, M. Dasgupta, D. J. Hinde, H. Timmers, R. D. Butt, and P. R. S. Gomes, Physics Letters B, 526(3), 295 (2002). https://doi.org/10.1016/S0370-2693(01)01505-2
M. R. Morker, and S. S. Godre, EPJ Web of Conferences, 117, 08013 (2016). https://doi.org/10.1051/epjconf/201611708013
A. H. Wapstra, and K. Bos, Atomic Data and Nuclear Data Tables, 19(3), 177 (1977). https://doi.org/10.1016/0092-640X(77)90020-1
I. Angeli, and K. P. Marinova, Atomic Data and Nuclear Data Tables, 99(1), 69 (2013). https://doi.org/10.1016/j.adt.2011.12.006
C. Y. Wong, Physical Review Letters, 31(12), 766 (1973). https://doi.org/10.1103/PhysRevLett.31.766
P. R. Desai, and S. S. Godre, DAE Symp. Nucl. Phys. 55, 400 (2010). https://www.sympnp.org/proceedings/55/B88.pdf
S. S. Godre, Nuclear Physics A, 734, E17 (2004). https://doi.org/10.1016/j.nuclphysa.2004.03.009
M. Dasgupta, P. R. S. Gomes, D. J. Hinde, S. B. Moraes, R. M. Anjos, A. C. Berriman, R. D. Butt, et al., Physical Review C, 70(2), 024606 (2004). https://doi.org/10.1103/PhysRevC.70.024606
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