March CERN Courier has a centre spread article on the Tracker with a cover picture.

CMS probes the highest-energy lepton pairs ever recorded to search for hints pointing to a Higgs boson made of smaller constituents. Is the Higgs boson truly an elementary particle, or could it be composed of more fundamental constituents? This…

CMS sees evidence of the Upsilon meson decaying into two tau leptons for the first time at a hadron collider Beyond our best current understanding of particle physics, encapsulated in the standard model, various theoretical models predict the…