As if atoms weren’t already mind-blowingly small, never mind subatomic particles, CERN researchers in the CMS Collaboration were sifting through data from the Large Hadron Collider (LHC) and ...

Physicists working on the ATLAS experiment on the Large Hadron Collider (LHC) are the first to report the production of top quark–antiquark pairs in collisions involving heavy nuclei. By colliding ...

A pair of top quarks has been detected in the detritus spraying forth from the collision of two atoms of lead. It's the first time that this specific quark-antiquark pair has been spotted in a ...

Charge-parity violation is thought to explain why there’s more matter than antimatter in the universe. Scientists just spotted it in a new place.

High-energy collisions between protons at the LHC routinely produce top quark–antiquark pairs (tt-bar). Measuring the probability, or cross section, of tt-bar production is both an important test of ...

Protons and neutrons are both types of baryon mesons - Made up of a quark and antiquark pair There are six types of quarks. These give hadrons electrical charge and this is important in the ...

Compared with the top–antitop process, the production of a single top has a smaller cross-section, and the presence of only one heavy top quark in the events makes this process much more ...

Intriguing signs from CERN hint at a never-before-seen form of matter – one that could be the tiniest particle cluster ever detected. Top quarks, typically too short-lived to pair up, may have briefly ...

High-energy collisions between protons at the LHC routinely produce top quark–antiquark pairs (tt-bar). Measuring the probability, or cross section, of tt-bar production is both an important ...