New approach to quarkonium polarization studies

@article{Faccioli2010NewAT,
  title={New approach to quarkonium polarization studies},
  author={Pietro Faccioli and Carlos Lourenço and Jo{\~a}o Seixas},
  journal={Physical Review D},
  year={2010},
  volume={81},
  pages={111502}
}
Significant progress in understanding quarkonium production requires improved polarization measurements, fully considering the intrinsic multidimensionality of the problem. We propose a frame-invariant formalism which minimizes the dependence of the measured result on the experimental acceptance, facilitates the comparison with theoretical calculations, and provides a much needed control over systematic effects due to detector limitations and analysis biases. This formalism is a direct and… 
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