E166 Equipment Discussion

July 8, 2005

V. Bharadwaj, K. McDonald, J. Sheppard, D. Walz

Below is a listing of what we discussed this morning. Please let me know what to change or add lest we forget.

Faraday Cup:

Check cabling with TDR

Add In/Out status into Accelerator Obstruction display

Add In/Out status into E166 DAQ

Spectrometer Jaws

Check Lo E functionality

Fix disconnected shaft-motor coupling and test

Add Jaw positions to DAQ

Target Lens

Slide lens upstream by about 1 cm; rotate Target assembly as necessary

Reposition taraget ladder within assembly to reduce distance between targets and lens

Do not need more current

Target Assembly

Add 0.25 r.l. thick free machining W target to empty target slot

Table movers

Replace X mover steppers with larger devices

Replace X mover differential screws

Lubricate X and Y mover mechanisms

Carefully monitor changes in table/undulator/drift tube positon w/ dial gauges and or alignment scopes when doing work

OTR

Email Bill and Peter as to whether or not they want to replace existing 1 micron thick screen with a thicker OTR /radiator screen

Add a thick

Add In/Out status into Accelerator Obstruction display

Add In/Out status into E166 DAQ

In Vacuum Radiator/Blank, rotating Brems. Radiator in vicinity of OTR

Photon Line

Add Si quadrant detectors to facilitate photon line acquisition, tune-up, and monitoring

Fiducialize photon line collimators for alignment

Reinstall photon line collimators

Model alignment issues associated with the additional collimation

Beam Energy

Find out what prevents machine from reliably operating at 50 GeV

Regardless of energy at September start (46.6 GeV or 50 GeV) run with all 7 FFTB dump line dipoles energized, as per June running conditions.

E166 Equipment Discussion

jcs

2005-07-08T13:35:00

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