Small size pentaquark width: calculation in QCD sum rules

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The pentaquark width is calculated in QCD sum rules. The higher dimension operators contribution is accounted. It is shown, that $Γ_Θ$ should be very small, less than $1Mev$.
10 peges, 7 figures

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High Energy Physics - Phenomenology

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http://salesiana.dossiersoluciones.com/handle/123456789/176470

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/hep-ph/0608031
 http://arxiv.org/abs/hep-ph/0608031
 Int.J.Mod.Phys.A22:2093-2104,2007
 doi:10.1142/S0217751X0703621X

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arXiv