On Instanton Contributions to the tau Hadronic Width

Details On Instanton Contributions to the tau Hadronic Width On Instanton Contributions to the tau Hadronic Width

1994-11-28

arxiv.org/abs/hep-ph/9411417v1

Phys.Lett. B345 (1995) 161-165

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, Latex file

Scientific paper

10.1016/0370-2693(94)01616-K

Comparing the results of finite energy and Borel transformed sum rules for the difference of vector and axial vector current correlators we evaluate the instanton contributions to the $\tau$ hadronic width. In contrast to an explicit theoretical calculation we find that the instanton contributions to the $\tau$ hadronic width are much smaller than the standard nonperturbative corrections.

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