Work

Hyperfine-driven polarization effects in elastic muon scattering by atomic nuclei

Year: 2026

Type: preprint

Abstract: We present a theoretical study of polarization dynamics in the elastic scattering of muons and antimuons by high-magnetic-moment atomic nuclei, using ${}_{83}^{209}$Bi as a benchmark. The analysis tracks the evolution of (anti)muon polarization and its transfer to the nucleus, emphasizing nuclear-structure corrections. These corrections significantly alter both the differential cross sections and the polarization observables. Our results demonstrate that measuring scattered muon polarization serves as a sensitive probe for nuclear charge radii and magnetic dipole moments.

Source: arXiv (Cornell University)

DOI: 10.48550/arxiv.2609.08835

Authors: Moiseev, Ivan A., Vasileva, Daria M., Lyashchenko, Konstantin N., Zhosan, Igor A., Yu, Deyang, Andreev, Oleg Yu.

Institutions: St Petersburg University, Kurchatov Institute, Petersburg Nuclear Physics Institute, Chinese Academy of Sciences, Institute of Modern Physics, University of Chinese Academy of Sciences

Language: English

Topic: Nuclear physics research studies

Subfield: Nuclear and High Energy Physics

Field: Physics and Astronomy

Domain: Physical Sciences

Open Access status: green

Funders: Chinese Academy of Sciences, Russian Science Foundation

Award: G1180377921

OpenAlex ID: W7212049232

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