Constraints on QCD sum rules from the Holder inequalities

A new technique based on H\"older's integral inequality is applied to QCD sum-rules to provide fundamental constraints on the sum-rule parameters. These constraints must be satisfied if the sum-rules are to consistently describe integrated physical cross-sections, but these constraints do not require any experimental data and therefore can be applied to any hadronic spectral function. As an illustration of this technique the Laplace sum-rules of the light-quark correlation function for the vector and the axial-vector currents are examined in detail. We find examples of inconsistency between the inequalities and sum-rule parameters used in some previous analyses of the vector and axial-vector channels.

Note:

13 pages, RevTeX, 4 figures available upon request, to appear in

quantum chromodynamics: sum rule
current: vector
current: axial-vector
quantum chromodynamics: condensation
numerical calculations

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Figures(0)

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