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THE STRONG COUPLING CONSTANT AT LOW Q2

    https://doi.org/10.1142/9789812774132_0007Cited by:0 (Source: Crossref)
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    Abstract:

    We extract an effective strong coupling constant using low-Q2 data and sum rules. Its behavior is established over the full Q2-range and is compared to calculations based on lattice QCD, Schwinger-Dyson equations and a quark model. Although the connection between all these quantities is not known yet, the results are surprisingly alike. Such a similitude may be related to quark-hadron duality.