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playground:pulsing
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playground:pulsing [2009/04/15 14:35] odonnell Change numeration to use wiki formating |
playground:pulsing [2009/04/15 16:21] 132.235.40.233 Add last modified line. |
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| === Accelerator Start-Up - Chopping and Bunching === | === Accelerator Start-Up - Chopping and Bunching === | ||
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| + | Last modified 2009 April 15, 16:10 | ||
| ** Starting and Tuning Pulsed and Bunched Beam ** | ** Starting and Tuning Pulsed and Bunched Beam ** | ||
| Line 23: | Line 25: | ||
| - Adjust H.E. steering, quads, tweaking magnet, etc. to maximize beam current. | - Adjust H.E. steering, quads, tweaking magnet, etc. to maximize beam current. | ||
| - Examine beam pick-off repetition rate; if you have adjusted the chopper and buncher properly it should read 500,000 at f/1. | - Examine beam pick-off repetition rate; if you have adjusted the chopper and buncher properly it should read 500,000 at f/1. | ||
| - | - Put the cup in, then put gold foil in, then take out cup. Look at TAC output. Adjust chopper phase, buncher phase and amplifier plate to obtain best time tune. | + | - If you are using a gold foil: |
| - | - Take out gold foil. Run time-tuned beam. | + | - put the cup in, then |
| + | - put gold foil in, then | ||
| + | - take out cup. | ||
| + | - Look at TAC output. | ||
| + | - Adjust chopper phase, buncher phase and amplifier plate to obtain best time tune. | ||
| + | - put the cup in, | ||
| + | - take out gold foil | ||
| + | - take cup out. | ||
| + | - Run time-tuned beam to target | ||
| + | - Make final adjustments as necessary using detector timing if needed | ||
playground/pulsing.txt · Last modified: 2023/01/27 07:11 by carter
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