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SUMMARY:Precision calculations for high-pT
 dark matter searches - Dr. J
 onas Lindert (IPPP\, Durham University)
DTSTART:20180130T150000Z
DTEND:20180130T160000Z
UID:TALK95554@talks.cam.ac.uk
CONTACT:Andrew Papanastasiou
DESCRIPTION:Signatures comprising large missing transverse energy (MET) ar
 e powerful probes of\ndark matter at the LHC. Corresponding searches requi
 re a precise control of relevant\nStandard Model backgrounds. In this cont
 ext\, recent advances in perturbative\ncalculations open the door to signi
 ficant sensitivity improvements. In my talk I\npresent a combination of st
 ate-of-the-art calculations for all relevant V + jets\nprocesses\, includi
 ng throughout NNLO QCD corrections and NLO electroweak corrections\nsupple
 mented by Sudakov logarithms at two loops. Particular attention will be\nd
 evoted to the estimate of theoretical uncertainties in the framework of da
 rk matter\nsearches\, where subtle aspects such as correlations across dif
 ferent V + jet\nprocesses play a key role. A resulting control of these un
 certainties at the percent\nlevel allows for unprecedented sensitivity in 
 the monojet dark matter search\nchannel. 
LOCATION:Rutherford Seminar Room B
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