Trace anomalies and the $ÎI = 1/2$ rule
arXiv:hep-ph/0011391 · doi:10.1016/S0370-2693(01)00213-1
Abstract
Trace Anomaly Dominance in weak $K$-decays successfully reproduces the $ÎI = {1\over 2}$ selection rule results, as observed in $K_S \to ÏÏ, K_L \to ÏÏÏ, K_S \to γγ$ and $K_L \to Ï^0 γγ$.
10 pages, no figure