CMS e-Lab Library

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Resources

CMS e-Lab, production, https://www.i2u2.org/elab/cms CMS e-Lab, development, http://i2u2-dev.crc.nd.edu/elab/cms Screencasts for use of new CMS e-Lab data interface: J/Psi mass plot,…

Geometry of a Collider Detector

The detector for a collider should be able to wrap around and enclose the collision point as much as possible. So, here is what we need to know: The shape of the detector is roughly cylindrical The…

Using Kaufmann and Bucherer's Data to Relate E, p & m

In 1901, W. Kaufmann did an experiment to investigate the relationship between velocity and mass for electrons in the 0.7MeV to 1.6 MeV energy range (W. Kaufmann, Gottingen Nach. 2, 143; 1901). Later…

Energy, Momentum, and Mass

Almost everyone is familar with Einstein's famous equation E=mc2. It indicates the energy content of a particle of mass m at rest. This is a special case. More generally, particle energy depends on…