Abstract
The mass of the 1/2 + \(uudd\bar s\) pentaquark is calculated within the framework of a semirelativistic effective Hamiltonian approach to QCD with instanton-induced forces, using a diquark picture. This approximation allows a correct treatment of the confinement, assumed here to be a Y-junction. With the [ud] diquark mass fitted on the \(\Lambda\)-baryon, the ground-state pentaquark is found around 2.2 GeV.
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Schedule a callMore From: The European physical journal. A, Hadrons and nuclei
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