Phys. Rev. D 65, 094016 (2002) [31 pages]Monte Carlo event generators at nonleading orderReceived 13 November 2001; published 6 May 2002 A method to construct Monte Carlo event generators at arbitrarily nonleading order is explained for the case of a nongauge theory. A precise and correct treatment of parton kinematics is provided. Modifications of the conventional formalism are required: parton showering is not exactly the same as Dokshitzer-Gribov-Lipatov-Altarelli-Parisi evolution, and the external line prescription for the hard scattering differs from the Lehmann-Symanzik-Zimmermann prescription. The prospects for extending the results to QCD are discussed. © 2002 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevD.65.094016
DOI:
10.1103/PhysRevD.65.094016
PACS:
12.38.Bx, 13.87.-a
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