An evaluation of the analytic continuation by duality technique
Takeuchi, T. · Goonetileke, L. C. · Ignjatovic, S. R. · Wijewardhana, L. C. R.
الأصل · EN
In Nucl. Phys. B391 (1993) 127, the value of the oblique correction parameter S for walking technicolor theories was estimated using a technique called Analytic Continuation by Duality (ACD). We apply the ACD technique to the perturbative vacuum polarization function and find that it fails to reproduce the well known result S=1/6π. This brings into question the reliability of the ACD technique and the ACD estimate of S.
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