BLM-Resummation and OPE in Heavy Flavor Transitions

Details BLM-Resummation and OPE in Heavy Flavor Transitions BLM-Resummation and OPE in Heavy Flavor Transitions

1996-10-20

arxiv.org/abs/hep-ph/9610425v3

Nucl.Phys.B491:303-322,1997

Physics

High Energy Physics

High Energy Physics - Phenomenology

19 pages, 7 Figures as separate .ps files; plain LaTeX Some discussions are extended; Appendix and Figs. 7 added; typos in equ

Scientific paper

10.1016/S0550-3213(97)00121-1

An all-order resummation is performed for the effect of the running of the
strong coupling in the zero recoil sum rule for the axial current and for the
kinetic operator \vec\pi^2. The perturbative corrections to well-defined
objects of OPE turn out to be very moderate. The renormalization of the kinetic
operator is addressed.

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