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arXiv 0710.3237hep-ph
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μ子氦离子S态的超精细结构

Hyperfine Structure of S-States in Muonic Helium Ion

A. P. Martynenko

摘要:

在μ子氦离子的1 S和2S -能级的超精细分裂中计算了α ^5和α ^6阶修正。考虑了电子真空极化效应、原子核结构修正和反冲修正。所得到的超精细分裂的数值为-1334.56meV(1 S态),-166.62meV(2S态),可作为与未来实验数据比较的可靠估计。超精细分裂间隔Delta_{12} =(8 Δ E^{hfs}(2S)-Δ E^{hfs}(1 S))= 1.64 meV可用于量子电动力学的检验。

英文摘要:

Corrections of orders alpha^5 and alpha^6 are calculated in the hyperfine splittings of 1S and 2S - energy levels in the ion of muonic helium. The electron vacuum polarization effects, the nuclear structure corrections and recoil corrections are taken into account. The obtained numerical values of the hyperfine splittings -1334.56 meV (1S state), -166.62 meV (2S state) can be considered as a reliable estimate for the comparison with the future experimental data. The hyperfine splitting interval Delta_{12}=(8 Delta E^{hfs}(2S)- Delta E^{hfs}(1S)) = 1.64 meV can be used for the check of quantum electrodynamics.

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