1/mQ Corrections to B -> rho l nu Decay and |Vub|
W. Y. Wang, Y. L. Wu, M. Zhong
Abstract
In the heavy quark effective field theory of QCD, we analyze the order 1/mQ contributions to heavy to light vector decays. Light cone sum rule method is applied with including the effects of 1/mQ order corrections. We then extract |Vub| from B -> rho l nu decay up to order of 1/mQ corrections.
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