Spin-orbit interaction in the HD$^+$ ion
Vladimir I. Korobov, Jean-Philippe Karr
TL;DR
This paper advances the calculation of spin-orbit interactions in the HD+ ion, reducing uncertainties in hyperfine structure predictions by deriving and computing higher-order corrections, and comparing results with experimental data.
Contribution
It introduces new calculations of order mα^7ln(α) corrections for the HD+ ion's spin-orbit interaction, improving theoretical accuracy.
Findings
Derived and numerically calculated higher-order corrections.
Compared theoretical hyperfine intervals with experimental data.
Discussed discrepancies between theory and experiment.
Abstract
We report on progress in calculation of the spin-orbit interaction for the HD molecular ion. This interaction is currently the largest source of theoretical uncertainty in determination of the hyperfine structure of rovibrational transition lines. The corrections of order are derived and numerically calculated. Theoretical hyperfine intervals are compared with experimental data, and the observed discrepancies are discussed.
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Taxonomy
TopicsQuantum Chromodynamics and Particle Interactions · Geophysics and Gravity Measurements · Particle physics theoretical and experimental studies