Top pair Asymmetries at Hadron colliders with general $Z^{\mathrm{\prime }}$ couplings

Recently it has been shown that measurement of charge asymmetry of top pair production at LHC excludes any flavor violating $Z^{\mathrm{\prime }}$ vector gauge boson that could explain Tevatron forward-backward asymmetry (FBA). We consider the general form of a $Z^{\mathrm{\prime }}$ gauge boson including left-handed, right-handed vector and tensor couplings to examine FBA and charge asymmetry. To evaluate top pair asymmetries at Tevatron and LHC, we consider $B_q^0$ mixing constraints on flavor changing $Z^{\mathrm{\prime }}$ couplings and show that this model still explain forward-backward asymmetry at Tevatron and charge asymmetry can not exclude it in part of parameters space.