The role of electroweak penguin and magnetic dipole QeD penguin onhadronic b Quark Decays

This research, works with the effective hamiltonian and the quark model. using, the decay rates of matter-antimatter of b quark wasinvestigated. we described the effective hamiltonian theory which was applied to the calculation of current-current (ql,2)' qedpenguin (q3,...,6), magnetic dipole ( qg) and electroweak penguin ( q7,...,10 ) decay rates. the gluonic penguin structure cf hadronic bdecays b ~ qkg ~ qkqiq] was studied through the wilson coefficients of the effective hamiltonian. the branching ratios of thetree-level, effective hamiltonian, effective hamiltonian including electroweak penguin, effective hamiltonian incluc ing magneticdipole and the effective hamiltonian including electroweak penguin and magnetic dipole b quark decays b ~ qiqkqj' qi e {u,c} ,qk e {d,s}, qj e {u,c} have been calculated. it was shown that, the electroweak penguin and magnetic dipole contributions in bquark decays are small and current-current operators are dominated.