By treating the hi gh-momentuin gluon and the quark sector as an in principle calculable effective Lagrangian we obtain a non-perturbati ve vacuum state for OCD as an infrared quark-gluon condensate. This vacuum is removed from the perturbative vacuum by an energy gap and supports a Meissner-Ochsenfeld effect.It is unstable below a minimum size and it also suggests the existence of a universal hadroni zation time. This vacuum thus exhibits all the properties required for color confinement.
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