The standard model (SM) of particle physics
CMS observes four-top quark production
CMS observed the simultaneous production of four top quarks, one of the rarest physics processes ever observed at the LHC, opening the door to detailed searches for physics beyond the Standard Model (SM).
CMS observes a potential family of tetra-quark states composed only of charm quarks
For over two millennia, people have wondered about the diversity of the material world, asking questions like “what are things made of?”.
What the eta meson does when no one’s looking
The amount of data that CMS has collected s
