Abstract
We continue to investigate the effects of the (dominant) subleading operator of the σH type in the 1/Nc parts of the weak nonleptonic amplitudes. If the previous work concentrated on exclusive decays now we analyse inclusive widths in a certain kinematic limit. Deviations from the parton model predictions are found due to soft-gluon color exchange. In the interference (i.e. 1/Nc) terms they are stronger than in the non-interferene terms. The sign is negative so that the 1/Nc parts tend to cancel. The absolute value of the effect is of order 1 in D-mesons and of order 0.25 in B-mesons.
Original language | English (US) |
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Pages (from-to) | 441-458 |
Number of pages | 18 |
Journal | Nuclear Physics, Section B |
Volume | 399 |
Issue number | 2-3 |
DOIs | |
State | Published - Jul 5 1993 |