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Physics > Atomic Physics

arXiv:2501.09364 (physics)
[Submitted on 16 Jan 2025]

Title:Discovery of anomalous nuclear effect on electron transfer between atoms

Authors:Sota Kimura, Michiharu Wada, Hiromitsu Haba, Hironobu Ishiyama, Toshitaka Niwase, Marco Rosenbusch, Peter Schury
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Abstract:Among the known isotope effects in chemistry, electron spin conversion by nuclear spin is a potent mechanism governing the reactions of radical pairs. For the electron transfer between nonradical(s), this spin conversion does not work, and other isotope effects have been presumed to have negligible contributions. However, we have observed a nuclear-state-dependence anomaly in ion charge state distributions in the thermalization of energetic atomic ions in helium gas, the process between nonradical(s). It could be understood to arise from the change in the stability of the intermediate quasi-molecule state of the electron transfer caused by the difference in nuclear states. This should prompt a reconsideration of the influence of atomic nuclei on interatomic and intermolecular interactions.
Comments: 12 pages of the main part and 4 pages of supplementary, 5 figures and 3 tables
Subjects: Atomic Physics (physics.atom-ph); Nuclear Experiment (nucl-ex)
Cite as: arXiv:2501.09364 [physics.atom-ph]
  (or arXiv:2501.09364v1 [physics.atom-ph] for this version)
  https://doi.org/10.48550/arXiv.2501.09364

Submission history

From: Sota Kimura [view email]
[v1] Thu, 16 Jan 2025 08:20:54 UTC (1,539 KB)
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