Form factors and semileptonic decay of from QCD sum rule
CCAST (World Laboratory), P.O. Box 8730, 100080, Beijing, China
2 Institute of High Energy Physics, P.O. Box 918(4), 100039, Beijing, China
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We calculate the transition form factors V, A 0, A 1 and A 2, and study the semileptonic decay of based on the QCD sum rule method. We compare our results of the ratios of V(0)/A 1(0), A 2(0)/A 1(0), , and the total decay branching ratio of with the experimental data and find that they are consistent.
© Springer-Verlag, 2004