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

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Hamilton, Keith Richardson, Peter Tully, Jon

(eng) 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

Document type Preprint
Access type Accès libre
Publication date 2009
Affiliation UCL
Keywords High Energy Physics - Phenomenology
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Bibliographic reference Hamilton, Keith ; Richardson, Peter ; Tully, Jon. A Modified CKKW matrix element merging approach to angular-ordered parton showers. (2009) 33 p. pages
Permanent URL http://hdl.handle.net/2078/31730