The CMS and ATLAS experiments at CERN’s Large Hadron Collider have observed an unforeseen feature in the behaviour of top quarks that suggests that these heaviest of all elementary particles form a ...
Heavy quarkonium is a bound state formed by a heavy quark and its corresponding antiquark of the same flavor under the strong interaction, such as the J/ψ particle, which consists of a charm quark and ...
CMS researchers observe quantum entanglement in top quark–antiquark pairs, revealing new insights into quantum behaviour at the smallest scales Quantum entanglement is a fascinating phenomenon in ...
The CMS Collaboration investigated in detail events in which a top quark and an anti‑top quark are produced together in high‑energy proton–proton collisions at √s = 13 TeV, using the full 138 fb⁻¹ ...
Heavy quarkonium is a bound state formed by a heavy quark and its corresponding antiquark of the same flavor under the strong interaction, such as the J/ψ particle, which consists of a charm quark and ...
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