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Why the Pennington-Wilson expansion with real coefficients is of little use in the analysis of production processes

Authors: E. van Beveren and G. Rupp

Ref.: arXiv:0711.4012 [hep-ph], 1-7 (2007)

Abstract: We critically analyse and comment on the claims of M. R. Pennington and D. J. Wilson [arxiv:0711.3521]. Although we generally agree with their obvious algebra, it is clearly not applicable to our equations. Moreover, we argue that the corresponding proposal is not useful for production-data analysis. The advantages of our approach, which involves complex yet purely kinematical coefficients, are summarised.

URL: arxiv.org