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About U.S. CMS

The US CMS collaboration, with 48 institutions, 420 Ph.D. physicists, over 100 graduate students, and nearly 200 engineers, technicians, and computer scientists is the largest national group in the CMS collaboration. US groups have made significant contributions to nearly every aspect of the detector throughout all phases including construction, installation and preparation for data-taking. The US collaboration also made major contributions to the construction and operation of the computing facilities needed to analyze the unprecedented amount of data to be generated by CMS. This work includes the software that allows physicists to operate the CMS detector, reconstruct the data, analyze it and extract new physics.

The CMS detector is designed to detect the basic objects that are identified by physicists as being truly fundamental: electrons, muons, tau leptons, photons, quark jets, and missing energy due to very weakly interacting particles such as neutrinos. Massive particles such as the Higgs boson will decay into these fundamental objects, the properties of which will be measured in the CMS detector’s many subsystems.

Diagram: CMS Detector

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