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Homework Statement
Show Γ(ρ0→π0γ) = Γ(ρ+→π+γ)
Using G- and isospin symmetries, without exact calculating the matrix elements using additive quark model.
Homework Equations
L = jμAμ
G = CR1802
Mif ≅ <π|jμ|ρ>eμ
jμ=2/3 * (anti u)γμu - 1/3 * (andi d)γμd)
The Attempt at a Solution
Mif ≅ <π|G-1GjμG-1G|ρ>eμ
jμ = jμS + jμA
GjμG-1 = jμS - jμA