Local Second-Order Chromatic Compensation of the LHC High Luminosity IRs

Document #:

LARP-doc-559-v1

Document type:

Note

Submitted by:

John A. Johnstone

Updated by:

John A. Johnstone

Document Created:

22 Jun 2007, 11:06

Contents Revised:

22 Jun 2007, 11:06

Metadata Revised:

22 Jun 2007, 11:06

Abstract:

Correction schemes for the chromaticity generated by the IR quadrupoles need to be reviewed for the upgrade. The currently accepted global scheme uses 32 sextupole families per beam. The local scheme discussed here can correct Q' and Q" with 4 families per beam.

Files in Document:

• Local_Chromatic_Correction.pdf (86.3 kB)

Topics:

• Beam Physics:General
• LHC:IRUpgrades

Authors:

• John A. Johnstone