Role of Four-Quark Operators in the Inclusive $Î_b$ Decays

P. Colangelo; F. De Fazio

doi:10.1016/0370-2693(96)01049-0

paper

Role of Four-Quark Operators in the Inclusive $I^_{b}$ Decays

arXiv:hep-ph/9604425 · doi:10.1016/0370-2693(96)01049-0

Abstract

We compute by QCD sum rules the matrix elements of the relevant four-quark operators appearing in the expression of the $I^_{b}$ inclusive decay rates at the order $1/ m_{b}^{3}$ . The results suggest that $1/ m_{b}^{3}$ corrections are not responsible of the observed difference between the lifetime of $I^_{b}$ and $B_{d}$ .

LaTex, 14 pages, 3 uuencoded postscript figures

Role of Four-Quark Operators in the Inclusive I^b​ Decays

Abstract

Role of Four-Quark Operators in the Inclusive $I^_{b}$ Decays