Recent Log Entries

Hall A Compton interaction search

Log Number: 3826061Logbook(s): Entry Makers: eformanBody: 

It looks like the interaction point is at 0.91 mm on the IPM1P02B BPM.

The blue trace is detector counts, green trace is IPM1P02B.YPOS

Hall C to Pol He3, 5 uA, Ion Chambers etc.

Log Number: 3826058Logbook(s): Entry Makers: deirBody: 

Fig 1: iCalibrate, 15% margin
Fig 2: Raster on at 4mm
Fig 3: Max Juice
Fig 4: Beam Auth
Fig 5: Ops Restriction -- max 30 uA Raster on always
Fig 6: Masking Set
Fig 7&8: Ramp Protection

Hall C --> Carbon Foil at 5 uA

Log Number: 3826052Logbook(s): Entry Makers: deirBody: 

Fig 1: iCalibrate settings, 5 uA Carbon Foil, 15% margin
Fig 2: Raster on at 4mm
Fig 3: COrb locks set to -1 in y
Fig 4: Beam Auth
Fig 5: Ops Restrictions -- Raster on above 20 uA, 45 uA limit
Fig 6: Masking Set
Fig 7: Max juice
Fig 8: Ramp Protection

xA: 150 uA through Compton - rates acceptable

Log Number: 3826047Logbook(s): Entry Makers: eformanBody: 

Sent 150uA CW through the Hall A Compton chicane. Bunch compression is still +6 degrees. Highest background was DS2 at ~7300. Hall said that this was acceptable.

1L02-8 Constantly Grumpy Cavity

Log Number: 3826043Logbook(s): Entry Makers: deirBody: 

I've cleared the hardware driver, it clears, but comes up with errors again within a few minutes.

Hall C No Target IC Set

Log Number: 3826042Logbook(s): Entry Makers: deirBody: 

Fig 1: iCalibrate
Fig 2: Max Juice
Fig 3: Beam Auth
Fig 4: Ops Restrictions -- Raster on above 20 uA
Fig 5: Ramp Protection

Hall D -- JD70-105 47 um 350 nA

Log Number: 3826036Logbook(s): Entry Makers: deirBody: 

Fig 1: iCalibrate with 30% margin
Fig 2: Max Juice
Fig 3: Masking Set
Fig 4: Beam Auth
Fig 5: Ops restrictions
Fig 6: Ion chamber settings

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