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SUMMARY:Jet Vetoes and Azimuthal Decorrelation at ATLAS - James Robinson (
 Manchester)
DTSTART:20130312T150000Z
DTEND:20130312T160000Z
UID:TALK42039@talks.cam.ac.uk
CONTACT:Susan Haines
DESCRIPTION:Searches for new physics at the Large Hadron Collider typicall
 y rely\non perturbative QCD calculations to correctly describe the signal 
 and\nbackground kinematics. These searches\, however\, tend to apply\nstri
 ngent analysis cuts and the perturbative QCD calculations can be\npushed i
 nto regions of phase space in which they are no longer viable.\nWhere cuts
  are imposed on additional quark or gluon radiation from the\nprocess of i
 nterest\, fixed order calculations will typically break\ndown as higher or
 der corrections to the cross-section become very\nlarge. Measurements sens
 itive to this additional QCD radiation are\ntherefore important in helping
  future theoretical tools to provide\nbetter calculations\, with smaller u
 ncertainties.\n
LOCATION:Rutherford Seminar Room B
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