Simulation of fusion and quasi-fission in nuclear reactions leading to production of superheavy elements using the Constrained Molecular Dynamics model

Klimo, Jozef; Veselsky, Martin; Souliotis, G. A.; Bonasera, A.

doi:10.1016/j.nuclphysa.2019.121640

Title: Simulation of fusion and quasi-fission in nuclear reactions leading to production of superheavy elements using the Constrained Molecular Dynamics model

Journal Article · 01 October 2019 · Nuclear Physics. A

DOI: https://doi.org/10.1016/j.nuclphysa.2019.121640 · OSTI ID:1572722

^[1]; Veselsky, Martin ^[2]; Souliotis, G. A. ^[3]; Bonasera, A. ^[4]

Slovak Academy of Sciences, Bratislava (Slovakia); Texas A&M University
Czech Technical Univ., Prague (Czech Republic)
National and Kapodistrian Univ. of Athens, Athens (Greece)
Texas A & M Univ., College Station, TX (United States)

Fusion dynamics and the onset of quasi-fission in reactions, leading to production of superheavy nuclei are investigated using the constrained molecular dynamics model. Constraints on the parameters of the nuclear equation of state are derived from experimental fusion probabilities. Here, the obtained constraint on the modulus of incompressibility of nuclear matter K₀ = 240 –260 MeV is consistent with the results of previous study using the Boltzmann-Uehling-Uhlenbeck equation and also with constraints derived using the recent neutron star binary collision event GW170817. Unlike the modulus of incompressibility of symmetric nuclear matter, the stiffness of the density-dependence of symmetry energy influences the fusion probability only weakly.

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Research Organization:: Texas A & M Univ., College Station, TX (United States)

Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA)

Grant/Contract Number:: NA0003841

OSTI ID:: 1572722

Journal Information:: Nuclear Physics. A, Journal Name: Nuclear Physics. A Journal Issue: C Vol. 992; ISSN 0375-9474

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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Title: Simulation of fusion and quasi-fission in nuclear reactions leading to production of superheavy elements using the Constrained Molecular Dynamics model

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