Equation Icon  [ ] [ ∗ ∗ ] [ ] βˆc (Ω ) = 1- (f+ + f− ) i(f+ − f− ) ⋅ ˆαc(Ω) . (289) βˆs (Ω ) 2 − i(f+ − f∗− ) (f+ + f−∗) ˆαs(Ω)