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Published September 1, 1979 | Published
Journal Article Open

Diagrammatic analysis of some contributions to the ΔI = 1/2 rule

Abstract

Higher-order gluon corrections to a particular mechanism for the ΔI=1/2 rule are computed using quantum chromodynamics. It is found that due to gauge invariance these corrections leave the form of the lowest-order result essentially unchanged

Additional Information

© 1979 The American Physical Society. Received 23 April 1979. Published in the issue dated 1 September 1979. We are grateful to F. Gilman for useful discussions. One of us (M.B.W.) also thanks L. Abbott and S. Brodsky for some helpful suggestions. This work was supported in part by the U. S. Department of Energy under Contract No. EY-76-C-03-0515. M.B.W. also received financial support from the National Research Council of Canada and Imperial Oil Limited.

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