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dev:cavities [2025/08/21 12:44] ryansdev:cavities [2025/08/27 09:36] (current) painter
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   *Cavities are devices that accelerate beam, the AC in LINAC, they do so by creating an electric field that oscillates sinusoidallly. The Two common measurements that we worry about for these cavities are the Amplitude and Phase. The Amplitude is a measure of how strong that electric field is at its peak, measured in MV/m, and the phase is an offset of the sine wave, you took high school math and probably understand it well enough based on that. The frequency of this sine wave is not something we really deal with, CERN's LHC runs at 400 MHz so hopefully we're somewhere around there.    *Cavities are devices that accelerate beam, the AC in LINAC, they do so by creating an electric field that oscillates sinusoidallly. The Two common measurements that we worry about for these cavities are the Amplitude and Phase. The Amplitude is a measure of how strong that electric field is at its peak, measured in MV/m, and the phase is an offset of the sine wave, you took high school math and probably understand it well enough based on that. The frequency of this sine wave is not something we really deal with, CERN's LHC runs at 400 MHz so hopefully we're somewhere around there. 
  
-  *Cavities all live in these big cryomodules that regulate their temperatures, there can be up to 8 cavities per cryomodule and as little as 4. Their baseline temperatures can vary, but generally this will be around 5K, using the [[pages:fast_thermo|Fast Thermometry Page]] we can monitor this temperature and set alarms for any reading exceeding a certain upward limit based on the normal baseline temperature. There are 44 cryomodules and like 300 cavities.+  *Cavities all live in these big cryomodules that regulate their temperatures, there can be up to 8 cavities per cryomodule and as little as 4. Their baseline temperatures can vary, but generally this will be around 5K, using the [[pages:fast_therm|Fast Thermometry Page]] we can monitor this temperature and set alarms for any reading exceeding a certain upward limit based on the normal baseline temperature. There are 44 cryomodules and like 300 cavities.
   * RF vs. Amplifier   * RF vs. Amplifier
  
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 {{:dev:cav_resettable.png?400|}} {{:dev:cav_resettable.png?400|}}
 ====Advanced/Niche==== ====Advanced/Niche====
 +
 +===Location===
 +  * Front End
 +  * LS1
 +  * LS2
 +  * LS3
dev/cavities.1755794688.txt.gz · Last modified: 2025/08/21 12:44 by ryans

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