Abstract
We discuss certain general features of the pentaquark picture for the θ, its 1̄0̄F partner, Ξ3/2, and possible heavy quark analogues. Models employing spin-dependent interactions based on either effective Goldstone boson exchange or efective color magnetic exchange are also used to shed light on possible corrections to the Jaffe-Wilczek and Karliner-Lipkin scenarios. Some model-dependent features of the pentaquark picture (splitting patterns and relative decay couplings) are also discussed in the context of these models.
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