The CMS experiment at CERN is the latest to weigh in on the mass of the W boson—an elementary particle that, along with the Z boson, mediates the weak force, which is responsible for a form of ...

Aug. 28, 2020 — The CMS collaboration at CERN has released into the open 18 new datasets, comprising proton–proton collision data recorded by CMS at the Large Hadron Collider (LHC) during the second ...

The CMS Experiment is one of two large general-purpose particle physics detectors built on the LHC at CERN in Europe. The three main components of the LHC are scintillation materials, photo ...

The CMS experiment includes more than 4,500 particle physicists, engineers, computer scientists, technicians and students from more than 50 countries, according to its website.