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We predict the isospin asymmetry as well as the branching ratio for the decay$B -> K* \gamma$ within QCD factorization using new anti-de Sitter/QuantumChromodynamics (AdS/QCD) holographic Distribution Amplitudes (DAs) for the K*meson. Our prediction for the branching ratio agrees with that obtained usingstandard QCD Sum Rules (SR) DAs and with experiment. More interestingly, ourprediction for the isospin asymmetry using the AdS/QCD DA does not suffer fromthe end-point divergence encountered when using the corresponding SR DA. Wepredict an isospin asymmetry of 3.3 % in agreement with the most recent averagemeasured value of (5.2 \pm 2.6) % quoted by the Particle Data Group.

Predicting the isospin asymmetry in $B -> K* \gamma$ using holographic AdS/QCD Distribution Amplitudes for the K*