Field quality control through the production phase of RHIC arc dipoles

R. Gupta, A. Jain, S. M. Kahn, G. Morgan, P. D. Thompson, P. Wanderer, E. Willen

Proceedings Particle Accelerator Conference · 2002 · 12 citations · 2 references

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Abstract

The field quality in the are dipoles built thus far for the Relativistic Heavy Ion Collider (RHIC) not only meets machine requirements but is significantly better than that expected from scaling laws based on previous large scale superconducting magnet production for particle accelerators. In this paper we describe the evolution of the present cross section and the design philosophy that has led to these improvements. The techniques described here have been found quite efficient to adopt in the production environment, where schedule and cost considerations become important. Moreover, the techniques developed during the R&D program have resulted in making the saturation induced harmonics negligible, despite the fact that the iron is very close to the coil.

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