Minimal subtraction scheme

In

In the similar and more widely used modified minimal subtraction, or MS-bar scheme (${\displaystyle {\overline {\text{MS}}}}$), one absorbs the divergent part plus a universal constant that always arises along with the divergence in Feynman diagram calculations into the counterterms. When using dimensional regularization, i.e. ${\displaystyle d^{4}p\to \mu ^{4-d}d^{d}p}$, it is implemented by rescaling the renormalization scale: ${\displaystyle \mu ^{2}\to \mu ^{2}{\frac {e^{\gamma _{\rm {E}}}}{4\pi }}}$, with ${\displaystyle \gamma _{\rm {E}}}$ the

References

Other

• doi:10.1103/PhysRevD.18.3998
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• Collins, J.C. (1984). Renormalization. Cambridge Monographs on Mathematical Physics.
  MR 0778558
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