A Modified CKKW matrix element merging approach to angular-ordered parton showers

Hamilton, Keith;Richardson, Peter;Tully, Jon
(2009) Journal of High Energy Physics — Vol. 11, p. 38 (2009)

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Authors
  • Hamilton, KeithUCLouvain
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  • Richardson, Peter
    Author
  • Tully, Jon
    Author
Abstract
(en) A modified version of the CKKW matrix element merging algorithm is presented, suitable for use in an angular-ordered parton shower, using truncated showers and forced splittings. The algorithm is implemented in the Herwig++ Monte Carlo event generator for the benchmark process e+e- -> hadrons. Results are presented at parton and hadron levels, demonstrating a smooth merging between the matrix elements and parton shower and an improved description of LEP data. Comment: 32 pages, 36 figures
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Hamilton, K., Richardson, P., & Tully, J. (2009). A Modified CKKW matrix element merging approach to angular-ordered parton showers. Journal of High Energy Physics, 11, 38. https://doi.org/10.1088/1126-6708/2009/11/038 (Original work published 2009)