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Nuclear Theory

arXiv:2507.11905 (nucl-th)
[Submitted on 16 Jul 2025 (v1), last revised 24 Aug 2025 (this version, v3)]

Title:Intrinsic spin distributions in multinucleon transfer reactions

Authors:Dan Dan Zhang, Dario Vretenar, Tamara Nikšić, Peng Wei Zhao, Jie Meng
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Abstract:Time-dependent covariant density functional theory (TD-CDFT) combined with angular momentum projection is developed and applied to study multinucleon transfer (MNT) reactions, with a focus on the intrinsic angular momentum distributions of the final fragments. Using the illustrative reaction $^{40}$Ca + $^{208}$Pb across a range of impact parameters, we find that the MNT process generates broad distributions of intrinsic spins. These distributions arise from the conversion of relative orbital angular momentum into intrinsic spin due to frictional interactions between the colliding nuclei. Additionally, mutual information (entanglement Shannon entropy) is employed to analyze correlations between the intrinsic spins of the fragments.
Comments: 13 pages, 5 figures
Subjects: Nuclear Theory (nucl-th); Nuclear Experiment (nucl-ex)
Cite as: arXiv:2507.11905 [nucl-th]
  (or arXiv:2507.11905v3 [nucl-th] for this version)
  https://doi.org/10.48550/arXiv.2507.11905
Journal reference: Phys. Lett. B 869, 139828 (2025)
Related DOI: https://doi.org/10.1016/j.physletb.2025.139828

Submission history

From: Dandan Zhang [view email]
[v1] Wed, 16 Jul 2025 04:43:10 UTC (305 KB)
[v2] Sat, 19 Jul 2025 10:49:46 UTC (305 KB)
[v3] Sun, 24 Aug 2025 05:13:36 UTC (305 KB)
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