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

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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

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classification ⚛️ physics.acc-ph

keywords apertureinjectorlargemainquadrupolewereacceptanceaspects

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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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Operational aspects of the Main Injector large aperture quadrupole (WQB)

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