Steering field quality in the main dipole magnets of the Large Hadron Collider

  title={Steering field quality in the main dipole magnets of the Large Hadron Collider},
  author={Ezio Todesco and Boris Bellesia and Luca Bottura and A. Devred and V. Remondino and S. Pauletta and Stephane Sanfilippo and Walter Scandale and Christine Vollinger and E. Wildner},
  journal={IEEE Transactions on Applied Superconductivity},
More than 10% of the collared coils of the main LHC dipoles have been produced. In this paper, we compare the measured field quality to beam dynamics targets using correlations to measurements at 1.9 K. The present status of field quality is given and corrective actions carried out to center field quality on optimal values are presented. Differences among the three manufacturers are analyzed, and the main results that concern correlation between cold and warm measurements are outlined. Present… CONTINUE READING

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