Other
The Infancy of Particle Accelerators
An autobiography of Rolf Wideroe, an important figure in the development of accelerators. Many mentions of betatrons are made in the introduction and chapters 6, 7, 10 and 11. The site includes some technical information.
Exploratorium
Exploratorium: Cern: The Proton Synchotron
From CERN, the world's largest particle accelerator, this site contains a description of the Proton Synchotron, a device used to accelerate protons for use in other machines in the accelerator complex.
Cornell University
Cornell University: The Cesr Storage Ring
The Cornell Electron Storage Ring is a synchrotron electron accelerator. This website is a virtual tour of the facility.
Symmetry Magazine
Symmetry Magazine: Explain It in 60 Seconds: Light Sources
Light sources are usually synchrotrons, accelerators that are used to produce intense light beams for research purposes. "Explain It In 60 Seconds" is an article series that aims to summarize in a few paragraphs the meaning of different...
Other
National Academy of Sciences: Biography of Rodney Cool [Pdf]
Rodney Lee Cool spent much of life's work on hyperons. This is the classic biography of a real-life scientist, a particle physicist. It's touching and enlightening, complete and full of science and significance. Requires Adobe Reader. [PDF]
Stanford University
Stanford Synchrotron Radiation Lab
Provides a complete description of the facility and the research that goes on there. The "Synchrotron Radiation Primer" describes the basics of the topic.
Cornell University
Cornell University: High Energy Synchrotron Source
The Cornell High Energy Synchrotron Source home page. The "facility description" shows the basic operation of the facility and gives many examples of the ongoing research.