φ Decay Form Factors from Light-Cone Sum Rules Revisited

@inproceedings{Ball2005DF,
  title={φ Decay Form Factors from Light-Cone Sum Rules Revisited},
  author={Patricia Ball and Roman Zwicky},
  year={2005}
}
We present an improved calculation of B → light vector form factors from light-cone sum rules, including one-loop radiative corrections to twist-2 and twist-3 contributions, and leading order twist-4 corrections. The total theoretical uncertainty of our results at zero momentum transfer is typically 10% and can be improved, at least in part, by reducing the uncertainty of hadronic input parameters. We present our results in a way which details the dependence of the form factors on these… CONTINUE READING
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