A. A. Pivovarov
Published 1996-06-29Version 1
A brief review of checking the factorization hypothesis for matrix element of $B^0 - \bar B^0$ mixing within operator product expansion and QCD sum rules is given. Both perturbative and power corrections are considered.
Comments: LaTeX file, 7 pages
Sum rules for B^0 - \bar B^0 mixing at NLO of pQCD
Revisiting $K_1(1270)- K_1(1400)$ mixing in QCD sum rules
Comment on the Matrix Element of $O_{11}$
