Speaker
Dr
Hantian Zhang
(Karlsruhe Institute of Technology)
Description
We consider the next-to-leading order electroweak corrections to the Higgs boson pair and Higgs plus jet productions in gluon fusion. This requires the computation of two-loop four-point amplitudes with massive internal particles such as top quarks, Higgs and gauge bosons. We perform analytic calculations both in the high-energy and large top-quark mass limits. In particular, we show that our high energy expansion can even yield precise results above $p_t \approx 120$ GeV. The technical challenges are described and results for the virtual corrections are presented.
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Primary authors
Dr
Hantian Zhang
(Karlsruhe Institute of Technology)
Dr
Joshua Davies
(Sussex University)
Dr
Kay Schönwald
(University of Zurich)
Prof.
Matthias Steinhauser
(Karlsruhe Institute of Technology)
Co-author
Dr
Mishima Go
(Tohoku University)
