TY - GEN T1 - A search for dark matter produced in association with a dark Higgs boson decaying into a Higgs boson pair in 3$b$ or 4$b$ final states using $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector UR - http://dx.doi.org/10.1007/JHEP09(2025)067 PY - 2025/07/02 AU - Collaboration ATLAS ED - Y2 - 2025/10/26 ER -