Vub, Vcb and Decay Constants in Effective Field Theory of Heavy Quarks
W. Y. Wang, Y. L. Wu, Y. A. Yan
Abstract
A new framework of heavy quark effective field theory (HQEFT) is studied and compared with the usual heavy quark effective theory (HQET). |Vub|, |Vcb| and heavy meson decay constants are extracted in the new framework. HQEFT can yield reasonable results for both exclusive and inclusive decays.
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