Fermi National Laboratory

Accelerator Update

Friday October 22


Bo Low Beta Separators HLS Installation - 50% complete

D0 Low Beta Separators HLS Installation - 25% complete

A0 Vacuum Upgrade - 99% complete

IPM installation - 70% complete. The Crystal Collimator has been installed

D4 Spool Replacement - 80%

D17 Separator Installation - 90% complete

D17 Separator Bake - Starts 10/22/04
D11 Separator Bake - Next week

Shimming 412 Dipoles - 82% complete

Unrolling Magnet - 80% complete

D0 Separator unroll - 100% complete
B0 Separator unroll - 0% complete


The Linac began sending beam to its dump at 1:10 PM on Wednesday, October 13, 2004.
There's some Booster vacuum problems slowing the start up, but there should be Booster beam by the afternoon of 10/22/04.

Antiproton Source

Debuncher Injection Area Beampipe and Quadrupole (Quad) replacement - Checkout in progress. Work on the last four D40 quads are in progress. Septum magnet pulse tested at full current, but need to be opened. The beam pipe is almost ready. The kicker beam pipe coating in progress.
Debuncher Motorized Quads Installation - ~90% complete
ARF1-1 Installation - 100% complete.

SO Cord Remediation - Parts of AP50 work in progress. Completion in two to three weeks

D/A Lines - alignment analysis in progress, cooling system measurements in progress, visual inspections after "as founds"

Beam Lines - Work in progress: AP1 magnet moves new VT108 & reconfigure vacuum windows, AP2 upstream vacuum will accessing beam stop

Other Work - Target Station, Alignment, LCW, and LLRF - all work on track

Main Injector/Recycler
Overall shut down progress - 80% complete


Q307-309 Vacuum Modifications- 30% complete
Q303-305 Vacuum Modifications - 100% complete
MI-30 & 62
Correction Magnet Replacement - overall ~ 90% complete


Electron Cooling overall - 58% complete


Cooling Tank Repairs - ~85% complete


Horn Replacement - 100% complete,


Power supply testing occurring during the evening. The horn may begin testing next week.

Accelerator Update Archive

More Information
For Tevatron luminosity charts and the current status of Fermilab's accelerators and detectors (live!), please go to Fermilab Now

Comments and Suggestions
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last modified 10/27/2004   email Fermilab