合成金刚石中μ ~（3+）的行为
Behaviour of muonium in synthetic diamond
摘要：
研究了在人造金刚石单晶和多晶中发现不同状态μ介子的几率。在IIa型单晶样品中，在150 K的抗磁μ子，“正常”和“异常”μ子的贡献被观察到分别为1.5%，57%和8.1%。μ子极化的缺失部分为33.4%，比Ia型天然金刚石小约两倍，比IIa和IIb型天然金刚石大两到三倍。合成和天然样品中的IIa和IIb型的“正常”和“异常”μ介子状态的μ介子自旋弛豫率是相似的。
英文摘要：
The probabilities of finding the muon in various states in synthetic single crystal and polycrystalline diamond were studied. In the IIa-type single-crystal sample at 150 K the contributions of the diamagnetic muon, `normal', and `anomalous' muonium were observed to be 1.5 %, 57 % and 8.1 %, respectively. The missing fraction of muon polarization was 33.4 %, which is approximately two times smaller than in the Ia-type natural diamond, and two or three times greater than in the IIa- and IIb-type natural diamonds. The muon spin relaxation rates at the `normal' and `anomalous' muonium states in the synthetic and natural samples of IIa- and IIb-type are similar.
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