Scheme dependence and the NSVZ $β$-function

Details Scheme dependence and the NSVZ $β$-function Scheme dependence and the NSVZ $β$-function

1996-09-11

arxiv.org/abs/hep-ph/9609325v1

Nucl.Phys. B486 (1997) 479-499

Physics

High Energy Physics

High Energy Physics - Phenomenology

29 pages, including 4 figures (in 7 files). Plain TeX. Uses Harvmac and epsf

Scientific paper

10.1016/S0550-3213(96)00637-2

We investigate the connection between the NSVZ and the DRED forms of the gauge $\beta$-function in an $N=1$ supersymmetric gauge theory. We construct a coupling constant redefinition that relates the two forms up to four loops. By abelian calculations, we are able to infer the complete non-abelian form of $\beta_g^{(3)DRED}$, and also $\beta_g^{(4)DRED}$ except for one undetermined parameter.

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