Exotic baryon states in QCD sum rule

Details Exotic baryon states in QCD sum rule Exotic baryon states in QCD sum rule

2004-10-25

arxiv.org/abs/hep-ph/0410335v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

Talk presented at XYIII International Workshop "High Energy Physics adn Quantum Field Theory" SPB, 17-23June 2004, 6 pages, si

Scientific paper

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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