We present SU(3) gluon propagators calculated on 48 2 48 2 48 2 N t lattices at = 6:8 where N t = 64 (corresponding the connement phase) and N t = 16 (deconnement) with the bare gauge parameter,, set to be 0.1. In order to avoid Gribov copies, we employ the stochastic gauge xing algorithm. Gluon propagators show quite dierent behavior from those of massless gauge elds:(1) In the connement phase, G(t) shows massless behavior at small and large t, while around 5 < t < 15 it behaves as massive particle, and (2) eective mass observed in G(z) becomes larger as z increases. (3) In the deconnement phase, G(z) shows also massive behavior but eective mass is less than in the connement case. In all cases, slope masses are increasing functions of t or z, which can not be understood as addtional physical poles.
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