Search for nonresonant pair production of Higgs bosons in the bbbb final state in pp collisions at s p 13 TeV with the ATLAS detector - G Aad; B Abbott; DC Abbott; K Abeling; Deepak Kar; Mukesh Kumar; Bruce Mellado; Xifeng Ruan; Elias Sideras-Haddad; al et (AMER PHYSICAL SOC, 2024)