atlas 77 slot

The data analysed correspond to 139 fb −1 of proton–proton collisions at a centre-of-mass energy of 13 TeV, recorded with the ATLAS detector at the LHC. rtp live slot pakde4d The 95% confidence-level upper limits between 0 019% and 0 062% are derived for the branching fraction B (t → uX) and between 0 018% and 0 078% for the branching fraction B (t → cX