ATLAS maps the rare four-way intersections of the weak force
Despite its resounding success at describing high-energy phenomena, the Standard Model of particle physics provides no explanation for…
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…
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…