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SUMMARY:Fits to top data in the SMEFT - Emma Slade (University of Oxford)
DTSTART:20190226T150000Z
DTEND:20190226T160000Z
UID:TALK120340@talks.cam.ac.uk
CONTACT:67735
DESCRIPTION: We present a novel framework for carrying out global analyses
  of the Standard\n Model Effective Field Theory (SMEFT) at dimension-six. 
 This approach is based\n on the Monte Carlo replica method for deriving a 
 faithful estimate of the\n experimental and theoretical uncertainties and 
 enables one to construct the\n probability distribution in the space of th
 e SMEFT degrees of freedom. As a\n proof of concept of the SMEFiT methodol
 ogy\, we present a first study of the\n constraints on the SMEFT provided 
 by top quark production measurements from the\n LHC. Our analysis includes
  more than 30 independent measurements from 10\n different processes at $\
 \sqrt{s}$ = 8 and 13 TeV. We derive bounds for the 34\n degrees of freedom
  relevant for the interpretation of the LHC top quark data.\n Our study il
 lustrates the significant potential of LHC precision measurements\n to con
 strain physics beyond the Standard Model in a model-independent way\, and\
 n paves the way towards a global analysis of the SMEFT. \n
LOCATION:Ryle Seminar Room (Rutherford 930) 
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