TY - GEN T1 - Study of Higgs boson pair production in the $HH \rightarrow b \overline{b} γγ$ final state with 308 fb$^{-1}$ of data collected at $\sqrt{s} = 13$ TeV and 13.6 TeV by the ATLAS experiment PY - 2025/07/04 AU - Collaboration ATLAS ED - Y2 - 2025/10/26 ER -