arXiv:hep-ph/0401034·v2·High Energy Physics — Phenomenology
A Perspective on Pentaquarks
Robert Jaffe🇺🇸 · Frank Wilczek🇺🇸
Abstract
Recent discoveries of manifestly exotic, narrow baryon resonances present a fundamental challenge for our theoretical understanding of low-energy QCD. This is a brief survey of their interpretation, emphasizing the possibility that diquark correlations are centrally involved. Many predictions and suggestions for future directions follow from that idea.
Comments: 8 pages; Plenary talk by FW at the European Physical Society, Aachen, August 2003; proposed operator for 1/2+ pentaquark lattice simulation corrected; references added