1 / 10

Investigation of Losses in the Squeeze

Investigation of Losses in the Squeeze. A.Valishev et al. Tevatron Dept. Mtg. 3/13/2009. Recent Quenches. 6856, 6864, 5876 – all at lbseq ~23. Are Beam Parameters Different?. Transverse emittances are roughly the same since December 2008 Bunch length slightly larger but not much.

lueras
Download Presentation

Investigation of Losses in the Squeeze

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Investigation of Losses in the Squeeze A.Valishev et al. Tevatron Dept. Mtg. 3/13/2009

  2. Recent Quenches • 6856, 6864, 5876 – all at lbseq ~23 A.Valishev - Tevatron Dept. Mtg.

  3. Are Beam Parameters Different? • Transverse emittances are roughly the same since December 2008 • Bunch length slightly larger but not much. A.Valishev - Tevatron Dept. Mtg.

  4. Bunch Lengths A.Valishev - Tevatron Dept. Mtg.

  5. History of Changes • December, 19 – lowered both chromaticities at lbseq=23 by 3 units (also earlier in squeeze) • January-February – tuning lbseq 9 through 16, reducing chromaticities and coupling • Since then – mostly orbits and slight tune changes. A.Valishev - Tevatron Dept. Mtg.

  6. Proton Losses A.Valishev - Tevatron Dept. Mtg.

  7. Proton Losses A.Valishev - Tevatron Dept. Mtg.

  8. Proton Losses A.Valishev - Tevatron Dept. Mtg.

  9. Vertical Orbit at D0 A.Valishev - Tevatron Dept. Mtg.

  10. Optics at LBSEQ=22 A.Valishev - Tevatron Dept. Mtg.

More Related