Long- and short-distance contributions to kaon decays
- 1 May 1985
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 31 (9) , 2263-2269
- https://doi.org/10.1103/physrevd.31.2263
Abstract
We work out in detail both the long- and short-distance graphs for , , , and decays. The long-distance amplitudes, which we find to dominate, are related to the ΔI=(1/2) enhancement in and decays. The short-distance diagrams contribute typically about 20%.
Keywords
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