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

Hamilton, K; Richardson, P; Tully, J; (2009) A Modified CKKW matrix element merging approach to angular-ordered parton showers. The Journal of High Energy Physics , 2009 (11) , Article 38. 10.1088/1126-6708/2009/11/038. Green open access

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Abstract

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.

Type: Article
Title: A Modified CKKW matrix element merging approach to angular-ordered parton showers
Open access status: An open access version is available from UCL Discovery
DOI: 10.1088/1126-6708/2009/11/038
Publisher version: http://dx.doi.org/10.1088/1126-6708/2009/11/038
Language: English
Additional information: c SISSA 2009
Keywords: Phenomenological Models, QCD
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy
URI: https://discovery.ucl.ac.uk/id/eprint/1356100
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