Beta functions in large N(f) supersymmetric gauge theories

Ferreira, P.M.; Jack, I.; Jones, D.R.T.; North, C.G.

doi:10.1016/S0550-3213(97)00448-3

Beta functions in large N(f) supersymmetric gauge theories

May, 1997

22 pages

Published in:

Nucl.Phys.B 504 (1997) 108-126

e-Print:

hep-ph/9705328 [hep-ph]

DOI:

10.1016/S0550-3213(97)00448-3

Report number:

LTH-392

View in:

ADS Abstract Service

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Abstract:

We present calculations of the leading and

O(1/N_f)

terms in a large-

N_f

expansion of the

\beta

-functions and anomalous dimensions for various supersymmetric gauge theories, including supersymmetric QCD. In the case of supersymmetric QCD, we show that our

O(1/N_f)

approximation displays an infra-red fixed point in the conformal window

3N_c/2 < N_f < 3N_c

.

Note:

22 pages, tex, 7 figures. Uses harvmac and epsf Report-no: LTH 392

11.10.Gh
11.15.Bt
11.30.Pb
11.15.Pg
Supersymmetric gauge theory
β-function Large N f
β-function Large Nf
Wess-Zumino model
gauge field theory: Yang-Mills
supersymmetry

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