I don't understand one think: when we calculated the correction of the magnetic moment of the electron, we consider only the finite terms of the vertex correction that non depend on the parameter μ. Using Ryder notation , we consider only(adsbygoogle = window.adsbygoogle || []).push({});

[itex]\bar{u}[/itex](p')(γ_{μ}+[itex]\Lambda[/itex]_{μ}^{(2)})u(p)

but there is also another finite contribution in [itex]\Lambda[/itex]_{μ}^{(1)}

[itex]\Lambda[/itex]_{μ}^{(1)}= divergent + finite

, why we don't consider that? some book to view this?

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# Stupid question on anomalous magnetic moment of the electron

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