Standard Model Effective Field Theory for top quark physics: precision and automation

admin   2019-05-20 14:20:04   4654

报告题目:Standard Model Effective Field Theory for top quark physics: precision and automation
报告时间:2019-05-29 15:30 (星期三)


StandardModel Effective Field Theory provides an efficient way for characterizing andanalyzing physics beyond the Standard Model. I will discuss its application in top-quark physics at the LHC.  Topics will include common standards for theinterpretation of top-quark measurements, the status and plans for NLOpredictions in the form of automatic event generator and Monte Carlosimulation, and phenomenology of rare processes such as tt+X and tj+X.  I will also present some recent progresses onthe inclusion of EW corrections from top-quark operators to Higgs measurements,where sizable corrections are found and seem to indicate that a more globalview is needed for future runs at the LHC.   




1.N.P. Hartland, F. Maltoni, E. R. Nocera, J. Rojo, E. Slade, E. Vryonidou and C.Zhang, “A Monte Carlo global analysis of the Standard Model Effective FieldTheory: the top quark sector,” arXiv:1901.05965 [hep-ph].   

2.E. Vryonidou, C. Zhang, “Dimension-six electroweak top-loop effects in Higgsproduction and decay”, JHEP 1808, 036 (2018), arXiv:1804.09766 [hep-ph].   

3.F. Maltoni, E. Vryonidou, C. Zhang, “Higgs production in association with atopantitop pair in the Standard Model Effective Field Theory at NLO in QCD”,JHEP1610, 123 (2016), arXiv:1607.05330 [hep-ph].   

4.C.Zhang, “Single Top Production at Next-to-Leading Order in the Standard ModelEffective Field Theory”, Phys. Rev. Lett. 116, no.16, 162002 (2016),arXiv:1601.06163 [hep-ph].  5.C. Zhang, S. Willenbrock, “Effective-Field-Theory Approach to Top-QuarkProduction and Decay”, Phys. Rev. D 83, 034006 (2011), arXiv:1008.3869[hep-ph].


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