Isospin symmetry breaking and direct CP violation in B -> ργwithin and beyond the standard model
arXiv:hep-ph/0009023 · doi:10.1016/S0920-5632(00)01122-1
Abstract
We discuss the isospin symmetry breaking quantity Δ^{\pm 0} = Γ(B^\pm -> ρ^\pm γ)/[2 Γ(B^0 -> ρ^0 γ)] - 1, and the direct CP violation in B^\pm -> ρ^\pm γwithin and beyond the standard model. After showing that the leading-order calculation would be a good approximation in such models, we argue that measurements of these quantities would be able to disentagle physics beyond the standard model.
4 pages, 2 figures, talk at ICHCBH IV Valencia