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QCD matrix elements + parton showers.

Catani, S. and Krauss, F. and Webber, B. R. and Kuhn, R. (2001) 'QCD matrix elements + parton showers.', Journal of high energy physics., 11 . 063.

Abstract

We propose a method for combining QCD matrix elements and parton showers in Monte Carlo simulations of hadronic final states in e+e− annihilation. The matrix element and parton shower domains are separated at some value yini of the jet resolution, defined according to the kT-clustering algorithm. The matrix elements are modified by Sudakov form factors and the parton showers are subjected to a veto procedure to cancel dependence on yini to next-to-leading logarithmic accuracy. The method provides a leading-order description of hard multi-jet configurations together with jet fragmentation, while avoiding the most serious problems of double counting. We present first results of an approximate implementation using the event generator APACIC++.

Item Type:Article
Keywords:LEP HERA, SLC Physics, QCD, Jets.
Full text:Full text not available from this repository.
Publisher Web site:http://dx.doi.org/10.1088/1126-6708/2001/11/063
Record Created:16 Jul 2007
Last Modified:03 Dec 2009 14:17

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