Collimation at the Tevatron  updated October 25, 2007  D. Carrigan carrigan@fnal.gov (subject line must be sensible)

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A project is now underway at Fermilab studying the use of bent crystals to improve collimation of the circulating proton beam in the Tevatron. This is based in part on ideas developed for the Superconducting Super Collider by Nikolai Mokhov and Sasha Drozhdin. These ideas have been studied in some detail by Mokhov, Drozhdin, and Valery Biryukov of Serpukhov. The concept has been tested recently at Brookhaven by Ray Fliller (now at Fermilab), Angelika Drees, Dejan Trbojevic and others at the RHIC accelerator at Brookhaven National Laboratory. Mokhov is now leading a group at Fermilab to study this at the Fermilab Tevatron. Dean Still is in charge of the collimation effort. Others involved include V. Shiltzev, T. Johnson, J. Annala, R. Reilly, and D. Plant.

More information on the work of Still's group is available at the Tevatron Crystal Collimation Link.

Recent results are available at the all_experimenters_meeting, October 24, 2005 and Fermilab Today, October 27
Crystal location in Tevatron
Crystal collimator vacuum enclosure
Crystal Location in
Tevatron at E0 straight section (Mokhov, Drozhdin, Fliller)

Crystal vacuum vessel before installation