Spin-Orbit Interaction of Nuclear Shell Structure
Xiaobin Wang (Seagate Technology, Bloomington, Minnesota, U.S.A.),, Zhengda Wang (Institute of Modern Physics, the Chinese Academy of Science,, Lanzhou, P. R. China), Xiaochun Wang, Xiaodong Zhang (The University of, Texas, M. D. Anderson Cancer Center, Houston, TX, U.S.A)
TL;DR
This paper introduces a self-similar-structure shell model with a negative harmonic oscillator to better describe nuclear spin-orbit interactions, incorporating quark contributions, and shows improved agreement with experimental data.
Contribution
It presents a novel shell model using a negative harmonic oscillator and quark effects to enhance nuclear spin-orbit interaction descriptions.
Findings
The negative harmonic oscillator model fits experimental data better.
Quark contributions improve the accuracy of spin-orbit energy calculations.
Theoretical formula aligns well with experimental measurements.
Abstract
Single particle spin-orbit interaction energy problem in nuclear shell structure is solved through negative harmonic oscillator in the self-similar-structure shell model (SSM) [4] and considering quarks' contributions on single particle spin and orbit momentum. The paper demonstrates that single particle motion in normal nuclei is described better by SSM negative harmonic oscillator than conventional shell model positive harmonic oscillator[1][2][3]. The proposed theoretical formula for spin orbit interaction energy agrees well to experiment measurements.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Neutrino Physics Research · Nuclear physics research studies