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Next-to-leading order QCD calculations with parton showers I: collinear singularities

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arxiv hep-ph/0306222 v5 pith:WKE37WZZ submitted 2003-06-23 hep-ph

Next-to-leading order QCD calculations with parton showers I: collinear singularities

classification hep-ph
keywords showerspartoneventgeneratorsnext-to-leadingorderpartonssingularities
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Programs that calculate observables in quantum chromodynamics at next-to-leading order typically suffer from the problem that, when considered as event generators, the events generated consist of partons rather than hadrons and just a few partons at that. Thus the events generated are completely unrealistic. These programs would be much more useful if the few partons were turned into parton showers, in the style of standard Monte Carlo event generators. Then the parton showers could be given to one of the Monte Carlo event generators to produce hadron showers. We show how to generate parton showers related to the final state collinear singularities of the next-to-leading order perturbative calculation for the example of e+ + e- --> 3 jets . The soft singularities are left for a separate publication.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. A New Method for Combining NLO QCD with Shower Monte Carlo Algorithms

    hep-ph 2004-09 unverdicted novelty 8.0

    A new method extends shower Monte Carlo algorithms to add NLO QCD corrections to the hardest emission while avoiding negative event weights.