QCD Sum-Rule Bounds on the Light Quark Masses

Details QCD Sum-Rule Bounds on the Light Quark Masses QCD Sum-Rule Bounds on the Light Quark Masses

2001-08-03

arxiv.org/abs/hep-ph/0108042v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

latex2e, 8 pages. Write-up of talk presented at MRST 2001

Scientific paper

10.1063/1.1435659

QCD sum-rules are related to an integral of a hadronic spectral function, and
hence must satisfy integral inequalities which follow from positivity of the
spectral function. Development of these Holder inequalities and their
application to the Laplace sum-rule for pions lead to a lower bound on the
average of the non-strange 2 GeV light-quark masses in the MS-bar scheme.

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