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Quark Condensates: Flavour Dependence

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arxiv hep-ph/0703255 v1 pith:P2YSRNHO submitted 2007-03-23 hep-ph

Quark Condensates: Flavour Dependence

classification hep-ph
keywords quarkcondensateequationaccuratealternativecondensatescontinuumdefinitions
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We determine the q-bar q condensate for quark masses from zero up to that of the strange quark within a phenomenologically successful modelling of continuum QCD by solving the quark Schwinger-Dyson equation. The existence of multiple solutions to this equation is the key to an accurate and reliable extraction of this condensate using the operator product expansion. We explain why alternative definitions fail to give the physical condensate.

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