Antenna showers with hadronic initial states |
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Authors: | M. Ritzmann D.A. Kosower P. Skands |
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Affiliation: | 1. Institut de Physique Théorique, CEA Saclay, F-91191 Gif-sur-Yvette cedex, France;2. CERN TH, Geneva 23, CH-1211, Switzerland |
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Abstract: | We present an antenna shower formalism including contributions from initial-state partons and corresponding backwards evolution. We give a set of phase-space maps and antenna functions for massless partons which define a complete shower formalism suitable for computing observables with hadronic initial states. We focus on the initial-state components: initial–initial and initial–final antenna configurations. The formalism includes comprehensive possibilities for uncertainty estimates. We report on some preliminary results obtained with an implementation in the Vincia antenna-shower framework. |
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