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Karlsruhe 2011 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 11: QCD (Theorie) II

T 11.8: Vortrag

Donnerstag, 31. März 2011, 18:30–18:45, 30.23: 10-1

Automating the MENLOPS approach in SherpaStefan Hoeche1, Frank Krauss2, •Marek Schoenherr3, and Frank Siegert41Stanford Linear Accelerator Center, Stanford University, Stanford, USA — 2Institute for Particle Physics Phenomenology, University of Durham, Durham, United Kingdom — 3Institut fuer Kern- und Teilchenphysik, Technische Universitaet Dresden, Dresden, Germany — 4Physikalisches Institut, Albert-Ludwigs-Universitaet Freiburg, Freiburg, Germany

The MENLOPS approach combining the ME+PS approach, merging sequences of tree-level matrix elements into inclusive event samples, with the Powheg method, matching exact NLO matrix elements with parton showers, and its automated implementation in the Sherpa event generator are discussed. Further, the benefits of this approach in describing lepton and hadron collider data are exemplified and the theoretical accuracy of observables calculated using the resulting event samples is assessed.

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