This Lambshift is a result of the interactions between the electron and the constituent quarks of the proton as described by QED.
兰姆位移是电子与质子组分夸克相互作用的结果,这一现象被描述为量子电动力(QED)。
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However, in muonic hydrogen the Lambshift is much more dependent on the proton radius because the much heavier muon spends more time very near to – and often within – the proton itself.
We advance a way to explore extra dimensions by calculating the change in hydrogen Lambshift coursed by two extra dimensions, which gives theoretical basises for future experiments.