Calculation of the pentaquark width by QCD sum rule

Details Calculation of the pentaquark width by QCD sum rule Calculation of the pentaquark width by QCD sum rule

2006-05-11

arxiv.org/abs/hep-ph/0605131v4

JETPLett.84:409-412,2006

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 Ppages, 3 figures,the numerical error was corrected, two figures are modified. In the limit of errors the result did not cha

Scientific paper

10.1134/S002136400620001X

The pentaquark width is calculated in QCD sum rules. Result for
$\Gamma_{\Theta}$ show, that $\Gamma_{\Theta}$ can vary in the region less than
1$MeV$. The main conclusion is, that if pentaquark is genuine states then sum
rules really predict the narrow width of pentaquark $\theta^+$, and the
suppression of the width is both parametrical and numerical.

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