Multiple Interactions in Herwig++
arXiv:0806.4250
Abstract
In this contribution we describe a new model of multiple partonic interactions that has been implemented in Herwig++. Tuning its two free parameters we find a good description of CDF underlying event data. We show extrapolations to the LHC and discuss intrinsic PDF uncertainties.
4 pages, 2 figures, to appear in the proceedings of the DIS 2008 workshop, 7-11 April 2008, University College London