QCD condensates from tau-decay data: A functional approach

6533b838fe1ef96bd12a3c59

RESEARCH PRODUCT

QCD condensates from tau-decay data: A functional approach

Hubert Spiesberger Karl Schilcher Cristiana Sebu S. Ciulli

subject

Physics Quantum chromodynamics Nuclear and High Energy Physics Functional approach FOS: Physical sciences Perturbation (Mathematics)Mathematical analysis Renormalization (Physics)High Energy Physics - Phenomenology High Energy Physics - Phenomenology (hep-ph)Dimension (vector space)Quantum mechanics [PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph]Quantum chromodynamics -- Mathematical models Sum rule in quantum mechanics Energy (signal processing)

description

We study a functional method to extract the V − A condensate of dimension 6 from a comparison of τ -decay data with the asymptotic space-like QCD prediction. Our result is in agreement within errors with that from conventional analyses based on finite energy sum rules.

year	journal	country	edition	language
2004-08-01

10.1016/j.physletb.2004.06.046 https://hal.archives-ouvertes.fr/hal-00176735

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