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SUMMARY:Double Parton Scattering - Jo Gaunt  (HEP Theory)
DTSTART:20120515T140000Z
DTEND:20120515T150000Z
UID:TALK38254@talks.cam.ac.uk
CONTACT:22432
DESCRIPTION:Double parton scattering (DPS) – the process in which two dis
 tinct pairs of partons hard scatter in an individual proton-proton collisi
 on –represents an important background to certain Higgs and new physics\n
 signals\, and can reveal novel information about the proton structure. I w
 ill show that a long-established framework for describing the total DPS cr
 oss section appears to contain some unsatisfactory features\, examine the 
 various types of graph that can potentially contribute to the DPS cross se
 ction\, and suggest an alternative formula for the DPS cross section (alth
 ough I will explain that there still appear to be some remaining issues wi
 th this formula). I will also discuss interference and correlated parton c
 ontributions to DPS\, and the Sudakov suppression of colour interference c
 ontributions.
LOCATION:Rutherford Seminar Room B
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