Measuring the Magnetic Center Behavior and Field Quality of an ILC Superconducting Combined Quadrupole-Dipole Prototype

Spencer, C.M.; Adolphsen, C.; Berndt, M.; Jensen, David R.; Rogers, R.; Sheppard, J.C.; Lorant, S. St.; Weber, T.; Weisend, J. G.; Brueck, Heinrich; Toral, Fernando

doi:10.1109/tasc.2010.2041919

Cited by 3 publications

(2 citation statements)

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“…During the first unsplittable model test [4] relatively strong coupling was observed between the quadrupole and dipole correctors wound on the top of quadrupole coils. This coupling through the superconductor magnetization [7], [8] adds an extra value to the quadrupole magnetic center shift during strength variations. Also, because of yoke saturation effects the corrector transfer function is very non-linear, adding difficulty to the dipole corrector regulation.…”

Section: B Magnetic Designmentioning

confidence: 99%

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Superconducting Splittable Quadrupole Magnet for Linear Accelerators

Kashikhin

Andreev

Kerby

et al. 2012

IEEE Trans. Appl. Supercond.

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A new superconducting quadrupole magnet for linear accelerators was fabricated at Fermilab. The magnet is designed to work inside a cryomodule in the space between SCRF cavities. SCRF cavities must be installed inside a very clean room adding issues to the magnet design, and fabrication. The designed magnet has a splittable along the vertical plane configuration and could be installed outside of the clean room around the beam pipe previously connected to neighboring cavities. For more convenient assembly and replacement a "superferric" magnet configuration with four racetrack type coils was chosen. The magnet does not have a helium vessel and is conductively cooled from the cryomodule LHe supply pipe and a helium gas return pipe. The quadrupole generates 36 T integrated magnetic field gradient, has 600 mm effective length, and the peak gradient is 54 T/m. In this paper the quadrupole magnetic, mechanical, and thermal designs are presented, along with the magnet fabrication overview and first test results.

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Section: B Magnetic Designmentioning

confidence: 99%

“…Various superconducting magnet designs were investigated for superconducting linacs [1]- [8]. These magnets were all bath cooled by LHe and should be assembled with superconducting RF (SCRF) cavities inside a clean room.…”

Section: Introductionmentioning

confidence: 99%