An evaluation of the analytic continuation by duality technique

Details An evaluation of the analytic continuation by duality technique An evaluation of the analytic continuation by duality technique

1997-02-27

arxiv.org/abs/hep-ph/9702439v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, LaTeX, 1 postscript figure. Uses cite.sty, sprocl.sty, and epsfig.sty. Talk presented at the 1996 International Works

Scientific paper

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=1/6\pi. This brings into question the reliability of the ACD technique and the ACD estimate of S.

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