Difference between revisions of "How to take HARP scan"
From Hall A Wiki
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* Request 8 uA tune beam | * Request 8 uA tune beam | ||
*In Monticello, go in first HARP menu, select HARP expert controls and open panels for 1H05A and 1H04 ( bottom right of expert screen ) | *In Monticello, go in first HARP menu, select HARP expert controls and open panels for 1H05A and 1H04 ( bottom right of expert screen ) | ||
| − | [ | + | [Image:Monticello.png] |
*Make sure speed is set to 1 | *Make sure speed is set to 1 | ||
| − | + | [Image:1HA1H04.png] | |
[Image:Harp1H05.png] | [Image:Harp1H05.png] | ||
Revision as of 18:21, 9 April 2012
After first initial tune, we want at least one HARP scan on 1HA05A to determine absolute beam position after chicane change.
- Request 8 uA tune beam
- In Monticello, go in first HARP menu, select HARP expert controls and open panels for 1H05A and 1H04 ( bottom right of expert screen )
[Image:Monticello.png]
- Make sure speed is set to 1
[Image:1HA1H04.png]
[Image:Harp1H05.png]
- In Monticello, go in second HARP menu ( ! ) choose HARP analyzer
- Select the Hall A harp to use
- Click on Initiate scan
- If signals saturates, reduce gain on the corresponding HARP and take another scan
- Once done, go to 50 nA, take a run
