Quark- and Gluon-Condensate Contributions to Penguin Four-Fermi Operators

Details Quark- and Gluon-Condensate Contributions to Penguin Four-Fermi Operators Quark- and Gluon-Condensate Contributions to Penguin Four-Fermi Operators

1999-08-17

arxiv.org/abs/hep-ph/9908375v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages, latex uses aipproc, 3 postscript figures included, Talk given at 21st Annual MRST Conference: High Energy Physics at

Scientific paper

10.1063/1.1301307

The nonperturbative content of the QCD vacuum permits the occurrence of
QCD-vaccum condensate contributions to penguin amplitudes. We calculate the
dimension-4 $$ and $<\alpha_s G^2>$ contributions to the effective
Wilson coefficients for penguin four-Fermi operators, and discuss how such
contributions may contribute to nonleptonic B decays.

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