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Search for flavour-changing neutral current top-quark decays t -> qZ in proton-proton collisions at root s=13 TeV with the ATLAS detector
(Springer, 2018-07-31)
A search for flavour-changing neutral-current processes in top-quark decays
is presented. Data collected with the ATLAS detector from proton-proton collisions at
√
s = 13TeV, corresponding to an integrated luminosity ...
Measurements of b-jet tagging efficiency with the ATLAS detector using t(t)over-bar events at root s=13 TeV
(Springer, 2018-08-16)
The efficiency to identify jets containing b-hadrons (b-jets) is measured using a high purity sample of dileptonic top quark-antiquark pairs (𝑡𝑡⎯⎯
t
t
¯
) selected from the 36.1 fb−1 of data collected by the ATLAS ...