TUCTA01
Stanford University, Stanford, California, USA
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TUCTA01 |
Evolution of the Superconducting Linac Program at Stanford | |
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| This talk will begin with the early history of SRF at Stanford where the high Q-values and high field levels achieved in superconducting cavities promised to make a significant impact on Low Temperature Physics and Accelerator Physics. For Low Temperature Physics the major interest was verification of the Mattis and Bardeen expression for the surface impedance of superconductors, especially the exponential temperature dependence. For Accelerator Physics the major interest was achieving Continuous Wave (100% Duty Factor) operation, thereby improving signal-to-noise, especially in coincidence experiments. The superconducting linac that we envisioned at Stanford anticipated much more. The design incorporated unique features that capitalized on the expected operation of a superconducting linac with a Standing Wave structure, in a Continuous Wave mode, at Super Fluid helium temperature. The result was the generation and preservation of a low Emittance beam that made it possible to achieve energy resolution of one part in ten thousand at high average currents. It should be noted that the low Emittance beam has also been central to another field of physics, the Free Electron Laser. | ||
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Slides TUCTA01 [0.664 MB] | |
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