TY - GEN T1 - Search for a CP-odd Higgs boson decaying into a heavy CP-even Higgs boson and a $Z$ boson in the $\ell^+\ell^- t\bar{t}$ and $ν\barνb\bar{b}$ final states using 140 fb$^{-1}$ of data collected with the ATLAS detector PY - 2023/11/07 AU - Collaboration ATLAS ED - Y2 - 2025/04/30 ER -