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arXiv physics/0607070physics.atom-phphysics.gen-ph
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氦原子单重态的$α^4$ Ry修正

$α^4$ Ry corrections to singlet states of helium

Krzysztof Pachucki

摘要:

计算了氦原子单重态$1^1S_0$和$2^1S_0$的$α^4$ Ry阶修正。$1^1S_0$状态的结果与Korobov和Yelkhovsky在[Phys. Rev. Lett.]中的结果略有不同。{ \bf 87},193003(2001)]。所得结果导致氦原子低能级之间的跃迁频率的显着改善。特别是理论预测的$2^1S_0 - 1^1S_0$过渡被发现与实验值不一致。

英文摘要:

Corrections of order $α^4$Ry are calculated for the singlet states $1^1S_0$ and $2^1S_0$ of the helium atom. The result for $1^1S_0$ state is in slight disagreement with that of Korobov and Yelkhovsky in [Phys. Rev. Lett. {\bf 87}, 193003 (2001)]. The results obtained lead to a significant improvement of transition frequencies between low lying levels of the helium atom. In particular theoretical predictions for the $2^1S_0 - 1^1S_0$ transition are found to be in disagreement with experimental values.

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