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…
Dark matter may be naturally tuned to a hidden fifth dimension
Dark matter appears to hold galaxies together, yet it has never shown itself directly. A new theory suggests…
ATLAS hunts for a new “soft” signature of the dark sector
The ATLAS Collaboration releases its first dedicated search for soft unclustered energy patterns (SUEPs) – an elusive possible…
ATLAS observes new Bc meson excited state
The ATLAS Collaboration reports the first observation of the Bc*+ meson – a new composite particle state containing…
Solving the Black Hole Paradox May Require Seven Dimensions
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Stephen Hawking’s infamous black hole paradox could be solved — if the universe has 7 dimensions
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ATLAS maps the top quark–Higgs boson interaction with multileptons
One of the central questions in particle physics is how fundamental particles acquire mass. The top quark, as…
A New Theory Suggests Mass May Emerge From Invisible Dimensions
A recent study published in Nuclear Physics B examines how hidden dimensions might influence the physical reality that…
ATLAS expands its reach into the high-rate frontier
Nature loves symmetry. Nowhere is this more evident than at the Large Hadron Collider (LHC), where the vast…
Transforming sensitivity to new physics with single-top-quark events
The top quark, the heaviest known elementary particle, has captivated physicists since its discovery in the 1990s and…
Shining light on the Weak force: ATLAS observes WWγ production
The ATLAS Collaboration reports its first observation of WWγ production – a rare process involving the simultaneous production…
Shape-shifting collisions probe secrets of early Universe
The first high-energy collisions between light nuclei at the Large Hadron Collider confirm the unusual “bowling-pin” shape of…