In a first measurement of its kind at the LHC, the CMS experiment tests whether top quarks adhere to Einstein’s special theory of relativity, and improves the bounds on noncompliance by up to a factor of one hundred with respect to previous re…

Above: Part of the BTST team during the unboxing of the tube. (Image: Noor Abduljalil J Abdulla) In a massive step toward CMS’ High-Luminosity era detector, a key component of the build has arrived at the CERN laboratories. CMS has received a ve…

In November 2014, CMS made history by releasing its first batch of open data, comprising approximately 27 terabytes of proton-proton collision data collected in 2010 at a 7 TeV center-of-mass energy. This groundbreaking release marked the beginning o…