Quarkonium polarization as a test of non-relativistic effective theory


I compare current approaches to quarkonium production with regard to what they tell us about quarkonium polarization. Predictions for J/ψJ/\psi polarization in hadron-hadron and photon-hadron collisions are summarized.Comment: 6 pages, LaTeX, 3 figures included via epsf.sty, uses sprocl.sty (provided

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