Unraveling duality violations in hadronic tau decays
Description:
There are some indications from recent determinations of the strong coupling constant alpha_s and the gluon condensate that the Operator Product Expansion may not be accurate enough to describe non-perturbative effects in hadronic tau decays. This breakdown of the Operator Product Expansion is usually referred to as being due to"Duality Violations." With the help of a physically motivated model, we investigate these duality violations. Based on this model, we argue how they may introd…
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Date:
March 3, 2008
Creator:
Cata, Oscar; Cata, Oscar; Golterman, Maarten & Peris, Santiago
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UNT Libraries Government Documents Department