ATLAS breaks its own record with new search for double-Higgs production
Producing two Higgs bosons in a single proton-proton collision is among the rarest processes at the LHC. Yet…
ATLAS observes new Bc meson excited state
The ATLAS Collaboration reports the first observation of the Bc*+ meson – a new composite particle state containing…
Extending the ARM of ATLAS computing
With data from the ongoing LHC Run 3 continuing to mount, and the High-Luminosity LHC (HL-LHC) expected to…