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SUMMARY:Colour Evolution and Jet Vetoes - Alex Schofield  (Manchester)
DTSTART:20110602T150000Z
DTEND:20110602T160000Z
UID:TALK31572@talks.cam.ac.uk
CONTACT:Kazuki Sakurai
DESCRIPTION:When we impose a jet veto on a process we are requiring that s
 ome region of phase space has a limited amount of hadronic activity. This 
 allows us to discriminate between processes with different initial colour 
 structures\, such as the different production methods for a Higgs boson. T
 he simplest case for studying the effects of jet vetoes is dijet productio
 n with a rapidity gap. I will discuss how an analytical resummation approa
 ch can be used to calculate observables for such a process. I will then co
 mpare the analytical results to those of the Herwig++ parton shower and ma
 ke suggestions for how it can be improved.
LOCATION:Seminar Room B\, Rutherford Building\, Cavendish Laboratory
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