PLATYPUS: A code for reaction dynamics of weakly-bound nuclei at near-barrier energies within a classical dynamical model

Díaz-Torres, A.

doi:10.1016/j.cpc.2010.12.053

Cited by 74 publications

(101 citation statements)

References 17 publications

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“…The massive transfer of 5,6 He for 7 Li was also observed and the breakups of 6 He+p and 5 He+d were not observed due to the high breakup threshold. The result of a classical dynamic model [10][11][12] gave a good agreement with the experimental data and explained the critical role of different cluster structures of 7 Li in the dynamics of reaction mechanism for the first time. These calculations clearly illustrated a two step process, breakup followed by fusion, in case of the capture of t and α clusters.…”

Section: Introductionsupporting

confidence: 65%

Study of breakup and transfer of weakly bound nucleus ⁶Li to explore the low energy reaction dynamics

Zhang

et al. 2017

EPJ Web Conf.

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Abstract. Investigation of the breakup and transfer effect of weakly bound nuclei on the fusion process has been an interesting research topic in the past several years. However, owing to the low intensities of the presently available radioactive ion beam (RIB), it is difficult to clearly explore the reaction mechanisms of nuclear systems with unstable nuclei. In comparison with RIB, the beam intensities of stable weakly bound nuclei such as 6,7 Li and 9 Be, which have significant breakup probability, are orders of magnitude higher. Precise fusion measurements have already been performed with those stable weakly bound nuclei, and the effect of breakup of those nuclei on the fusion process has been extensively studied. Those nuclei indicated large production cross sections for particles other than the α + x breakup. The particles are originated from non-capture breakup (NCBU), incomplete fusion (ICF) and transfer processes. However, the conclusion of reaction dynamics was not clear and has the contradiction. In our previous experiments we have performed 6 Li+ 96 Zr and 154 Sm at HI-13 Tandem accelerator of China Institute of Atomic Energy (CIAE) by using HPGe array. It is shown that there is a small complete fusion (CF) suppression on medium-mass target nucleus 96 Zr different from about 35% suppression on heavier target nucleus 154 Sm at near-barrier energies. It seems that the CF suppression factor depends on the charge of target nuclei. We also observed one neutron transfer process. However, the experimental data are scarce for mediummass target nuclei. In order to have a proper understanding of the influence of breakup and transfer of weakly bound projectiles on the fusion process, we performed the 6 Li+ 89 Y experiment with incident energies of 22 MeV and 34 MeV on Galileo array in cooperation with Si-ball EUCLIDES at Legnaro National Laboratory (LNL) in Italy. Using particle-particle and particle-γ coincidences, the different reaction mechanisms can be clearly explored.

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Section: Introductionsupporting

confidence: 65%

Study of breakup and transfer of weakly bound nucleus ⁶Li to explore the low energy reaction dynamics

Zhang

et al. 2017

EPJ Web Conf.

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“…In Ref. [34], a three-dimensional classical dynamical reaction model [37][38][39] together with the measured prompt-breakup probabilities was adopted to study the systematics of the suppression for the reactions induced by 9 Be. It was found that the CF suppression is nearly independent of the target.…”

Section: Introductionmentioning

confidence: 99%

Systematic study of suppression of complete fusion in reactions involving weakly bound nuclei at energies above the Coulomb barrier

et al. 2016

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Complete fusion excitation functions of reactions involving breakup are studied by using the empirical coupled-channel (ECC) model with breakup effects considered. An exponential function with two parameters is adopted to describe the prompt-breakup probability in the ECC model. These two parameters are fixed by fitting the measured prompt-breakup probability or the complete fusion cross sections. The suppression of complete fusion at energies above the Coulomb barrier is studied by comparing the data with the predictions from the ECC model without the breakup channel considered. The results show that the suppression of complete fusion are roughly independent of the target for the reactions involving the same projectile.

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“…This approach has been developed in close collaboration with experimenters [3,4]. The model is implemented in the PLATYPUS code [5].…”

Section: The Platypus Modelmentioning

confidence: 99%

Low-energy fusion dynamics of weakly bound nuclei: A time dependent perspective

Díaz-Torres

Boselli

2016

EPJ Web of Conferences

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Recent dynamical fusion models for weakly bound nuclei at low incident energies, based on a time-dependent perspective, are briefly presented. The main features of both the PLATYPUS model and a new quantum approach are highlighted. In contrast to existing timedependent quantum models, the present quantum approach separates the complete and incomplete fusion from the total fusion. Calculations performed within a toy model for 6 Li + 209 Bi at near-barrier energies show that converged excitation functions for total, complete and incomplete fusion can be determined with the time-dependent wavepacket dynamics.

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PLATYPUS: A code for reaction dynamics of weakly-bound nuclei at near-barrier energies within a classical dynamical model

Cited by 74 publications

References 17 publications

Study of breakup and transfer of weakly bound nucleus ⁶Li to explore the low energy reaction dynamics

Study of breakup and transfer of weakly bound nucleus ⁶Li to explore the low energy reaction dynamics

Systematic study of suppression of complete fusion in reactions involving weakly bound nuclei at energies above the Coulomb barrier

Low-energy fusion dynamics of weakly bound nuclei: A time dependent perspective

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PLATYPUS: A code for reaction dynamics of weakly-bound nuclei at near-barrier energies within a classical dynamical model

Cited by 74 publications

References 17 publications

Study of breakup and transfer of weakly bound nucleus 6Li to explore the low energy reaction dynamics

Study of breakup and transfer of weakly bound nucleus 6Li to explore the low energy reaction dynamics

Systematic study of suppression of complete fusion in reactions involving weakly bound nuclei at energies above the Coulomb barrier

Low-energy fusion dynamics of weakly bound nuclei: A time dependent perspective

Contact Info

Product

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Study of breakup and transfer of weakly bound nucleus ⁶Li to explore the low energy reaction dynamics

Study of breakup and transfer of weakly bound nucleus ⁶Li to explore the low energy reaction dynamics