A theoretical study on quasifission and fusion–fission processes in heavy-ion collisions

Kayaalp, A.; Ocal, S. E.; Yaprakli, B.; Arik, M.; Ayik, S.; Yilmaz, O.; Umar, A. S.

doi:10.1140/epja/s10050-024-01303-9

Title: A theoretical study on quasifission and fusion–fission processes in heavy-ion collisions

Journal Article · 31 March 2024 · European Physical Journal. A, Hadrons and Nuclei (Online)

DOI: https://doi.org/10.1140/epja/s10050-024-01303-9 · OSTI ID:2336686

Kayaalp, A. ^[1]; Ocal, S. E. ^[2]; Yaprakli, B. ^[2]; Arik, M. ^[2]; Ayik, S. ^[3]; Yilmaz, O. ^[2];

^[4]

Middle East Technical University, Ankara (Turkey); Vanderbilt University
Middle East Technical University, Ankara (Turkey)
Tennessee Technological University, Cookeville, TN (United States)
Vanderbilt University, Nashville, TN (United States)

Despite recent advances and focus on rigorous uncertainty quantification for microscopic models of quantum many-body systems, the uncertainty on the dynamics of those systems has been underexplored. To address this, we have used time-dependent Hartree-Fock to examine the model uncertainty for a collection of low-energy, heavy-ion fusion reactions. Fusion reactions at near-barrier energies represent a rich test-bed for the dynamics of quantum many-body systems owing to the complex interplay of collective excitation, transfer, and static effects that determine the fusion probability of a given system. The model uncertainty is sizable for many of the systems studied and the primary contribution arises from static properties that are ill-constrained, such as the neutron radius of neutron-rich nuclei. These large uncertainties motivate the use of information from reactions to better constrain existing models and to infer static properties from reaction data.

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Research Organization:: Vanderbilt University, Nashville, TN (United States)

Sponsoring Organization:: USDOE; TUBITAK

Grant/Contract Number:: SC0013847; SC0015513

OSTI ID:: 2336686

Journal Information:: European Physical Journal. A, Hadrons and Nuclei (Online), Journal Name: European Physical Journal. A, Hadrons and Nuclei (Online) Journal Issue: 4 Vol. 60; ISSN 1434-601X

Publisher:: Springer NatureCopyright Statement

Country of Publication:: United States

Language:: English

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