电子与类氢重离子辐射复合中的宇称不守恒
Parity nonconservation in radiative recombination of electrons with heavy hydrogenlike ions
摘要：
研究了电子与类氢重离子辐射复合的宇称不守恒效应。计算的复合成$2^1S_0$状态的氦类钍和钆，其中，由于近简并的相反的奇偶性$2^1S_0$和$2^3P_0$状态，效果强烈增强。两种可能的实验方案进行了研究。在第一种情况下，假设电子束是完全极化的，而类H离子是非极化的，并且没有检测到所发射的光子的极化。在第二种情况下，线性偏振的光子在非偏振电子和离子的实验中被检测到。相应的计算重组成$2^3P_0$状态。
英文摘要：
The parity nonconservation effect on the radiative recombination of electrons with heavy hydrogenlike ions is studied. Calculations are performed for the recombination into the $2^1S_0$ state of helium-like thorium and gadolinium, where, due to the near-degeneracy of the opposite-parity $2^1S_0$ and $2^3P_0$ states, the effect is strongly enhanced. Two scenarios for possible experiments are studied. In the first scenario, the electron beam is assumed to be fully polarized while the H-like ions are unpolarized and the polarization of the emitted photons is not detected. In the second scenario, the linearly polarized photons are detected in an experiment with unpolarized electrons and ions. Corresponding calculations for the recombination into the $2^3P_0$ state are presented as well.
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