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HEP: Experimental studies on Multiple Partonic Interactions

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Arthur Moraes, Brazilian Center for Research in Physics
13 April 2016 from 2:30 PM to 3:30 PM
339 Davey Laboratory
Contact Name
Mark Strikman
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This talk presents a review of experimental studies on Multiple Partonic Interactions (MPI) in hadron colliders. Our discussion will start with indirect evidence for MPI effects in global observables and will evolve to the presentation of direct measurements of the cross-sections for double partonic scattering. MPI are experiencing a growing popularity and are widely invoked to account for observations that cannot be explained otherwise: the activity of the Underlying Event, the rates for multiple heavy flavour production, the survival probability of large rapidity gaps in hard diffraction, etc. At the same time, the implementation of MPI effects in Monte Carlo generators is quickly proceeding at an increasing level of sophistication and complexity, which can have far reaching implications for LHC physics. In this talk we will also point at some interesting studies on the impact of MPI effects on the LHC physics program.