Operational aspects of the Main Injector large aperture quadrupole (WQB)
W. Chou, L. Bartelson, B. Brown, D. Capista, J. Crisp, J. DiMarco, J., Fitzgerald, H. Glass, D. Harding, D. Johnson, V. Kashikhin, I. Kourbanis, P., Prieto, W. Robotham, T. Sager, M. Tartaglia, L. Valerio, R. Webber, M. Wendt,, D. Wolff, M. Yang
TL;DR
This paper reports on the successful design, fabrication, and operation of nine large aperture quadrupole magnets (WQBs) for Fermilab's Main Injector, increasing machine acceptance with minimal lattice perturbation.
Contribution
It presents the completion and operational performance of a new large aperture quadrupole magnet system for the Main Injector.
Findings
Aperture increase meets design goals
Machine acceptance increased from 40π to 60π mm-mrad
Magnets perform reliably in operational conditions
Abstract
A two-year Large Aperture Quadrupole (WQB) Project was completed in the summer of 2006 at Fermilab. Nine WQBs were designed, fabricated and bench-tested by the Technical Division. Seven of them were installed in the Main Injector and the other two for spares. They perform well. The aperture increase meets the design goal and the perturbation to the lattice is minimal. The machine acceptance in the injection and extraction regions is increased from 40pi to 60pi mm-mrad. This paper gives a brief report of the operation and performance of these magnets.
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Taxonomy
TopicsSuperconducting Materials and Applications · Particle accelerators and beam dynamics · Particle Accelerators and Free-Electron Lasers