Exotic baryon states in QCD sum rule
classification
✦ hep-ph
keywords
baryondecaythetawidthalphachiralitycurrentderivatives
read the original abstract
It is shown, that the small decay width of $\Theta^+ = uudd\bar{s}$ baryon is suppressed by chirality violation. It is shown that $\Theta^+$ decay width $\Gamma$ is proportional to $\alpha^2_s < 0 | \bar{q} q | 0 >^2$, for any pentaquark current without derivatives.
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