A simple algorithm for polarized parton evolution

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Contributors

  • Stefan Hoeche - , Fermi National Accelerator Laboratory (Fermilab) (Author)
  • Mareen Hoppe - , Chair of Particle Physics (Author)
  • Daniel Reichelt - , CERN (Author)

Abstract

We present an algorithm to include the correlation between the production and decay planes of gluons in a parton-shower simulation. The technique is based on identifying the charge currents responsible for the creation and annihilation of the vector field. It is applicable in both the hard-collinear and the soft wide-angle region. As a function of the number of particles, the algorithm scales linear in computing time and memory. We demonstrate agreement with fixed-order perturbative calculations in the relevant kinematical limits, and present a new observable that can be used to probe correlations beyond current-current interactions.

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Keywords

Keywords

  • hep-ph