Speaker
Danilo Enoque Ferreira De Lima
(Ruprecht-Karls-Universitaet Heidelberg (DE))
Description
A search for new resonances that decay into top quark pairs and new
resonances that decay into a top quark and a b quark are reported. The
search is performed with the ATLAS experiment at the LHC using
proton-proton collision data collected at a centre-of-mass energy of
$\sqrt{s}=13$ TeV. Both the lepton plus jets channel in the top pair
search and the all hadronic channel are explored in both searches. In the
top pair search, the invariant mass spectrum of top quark pairs is examined
for local excesses or deficits that are inconsistent with the Standard
Model prediction. In the top-bottom search, the invariant mass spectrum of
the $tb$ final state is reconstructed and compared to the Standard Model
prediction.