TY - GEN AU - Aad, G. AU - Aguilar Saavedra, Juan Antonio AU - Rodríguez Chala, Mikael AU - Atlas Collaboration PY - 2021 UR - http://hdl.handle.net/10481/72103 AB - A measurement of four-top-quark production using proton-proton collision data at a centre-of-mass energy of 13 TeV collected by the ATLAS detector at the Large Hadron Collider corresponding to an integrated luminosity of 139 fb(-1) is presented.... LA - eng PB - Springer KW - Hadron-Hadron scattering (experiments) KW - Top physics TI - Measurement of the t(t)over-bart(t)over-bar production cross section in pp collisions at root s=13 TeV with the ATLAS detector DO - 10.1007/JHEP11(2021)118 ER -