The ATLAS and CMS Experiments at CERN have just released a new measurement of the mass of the top quark. The new result combines 15 previous measurements to give the most precise determination of the top-quark mass to date.  Among the known fundament…

Yesterday at 7:46 pm the first stable beams of the LHC 2023 heavy-ion run have been recorded. The heavy-ion run allows CMS scientists to study states of matter similar to those of the early universe. During this period, the CERN accelerators operate…

Every year, at least three young researchers within the CMS Collaboration are recognised for their exceptional efforts and achievements with the CMS Young Researcher Prize! It is not only an endorsement of their outstanding skills and dedication, but…