S. Catani
QCD matrix elements + parton showers
Catani, S.; Krauss, F.; Webber, B.R.; Kuhn, R.
Authors
F. Krauss
B.R. Webber
R. Kuhn
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++.
Citation
Catani, S., Krauss, F., Webber, B., & Kuhn, R. (2001). QCD matrix elements + parton showers. Journal of High Energy Physics, 2001(11), https://doi.org/10.1088/1126-6708/2001/11/063
Journal Article Type | Article |
---|---|
Publication Date | Nov 1, 2001 |
Deposit Date | Jul 16, 2007 |
Journal | Journal of High Energy Physics |
Print ISSN | 1126-6708 |
Electronic ISSN | 1029-8479 |
Publisher | Scuola Internazionale Superiore di Studi Avanzati (SISSA) |
Peer Reviewed | Peer Reviewed |
Volume | 2001 |
Issue | 11 |
DOI | https://doi.org/10.1088/1126-6708/2001/11/063 |
Keywords | LEP HERA, SLC Physics, QCD, Jets. |
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