B → K* γ decay on APE

As Abada,Ph Boucaud,M Crisafulli,J P Leroy,V Lubicz,Guido Martinelli,F Rapuano,Marco Serone, Nicoletta Stella,A Bartoloni,C Battista,S Cabasino,Nicola Cabibbo,Emanuele Panizzi, P Paolucci,R Sarno,G M Todesco, M Torelli,P Vicini

Nuclear Physics B - Proceedings Supplements（1995）

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摘要

We present results for the radiative decay $B\to K^* \gamma$, obtained by using the Clover action at $\beta = 6.0$ on APE. The compatibility between the scaling laws predicted by the Heavy Quark Effective Theory (HQET) and pole dominance is discussed. The final result depends crucially on the assumed $q^2$-dependence of the form factors.

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