QCD Analysis of Inclusive $ΔS=1,2$ Transitions: The $|Δ I|=1/2$ Rule

Details QCD Analysis of Inclusive $ΔS=1,2$ Transitions: The $|Δ I|=1/2$ Rule QCD Analysis of Inclusive $ΔS=1,2$ Transitions: The $|Δ I|=1/2$ Rule

1994-10-04

arxiv.org/abs/hep-ph/9410208v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

3 pages, 1 figure, FTUV/94-50, IFIC/94-45, Contribution to ICHEP94, LaTeX file, uses ichep.sty (appended at the end: find "% C

Scientific paper

The interplay of QCD in $\Delta S=1,2$ non-leptonic weak transitions can be rigorously analyzed, at the inclusive level, by studying the 2--point functions associated with the corresponding $\Delta S=1,2$ effective Hamiltonians. The next-to-leading order calculation of these correlators shows a huge ($\gsim 100\%$) gluonic enhancement of the $|\Delta I|=1/2$ channel, providing a qualitative understanding of the $|\Delta I|=1/2$ rule within QCD.

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