  In the framework of the formalism of Cornwall et all. for composite operators
I study the ghost-antighost condensation in SU(2) Yang-Mills theories quantized
in the Maximal Abelian Gauge and I derive analytically a condensating effective
potential at two ghost loops. I find that in this approximation the one loop
pairing ghost-antighost is not destroyed but no mass is generated if the ansatz
for the propagator suggested by the tree level Hubbard-Stratonovich
transformations is used.
