Design Optimization of the New D1 Dipole for HL-LHC Upgrade
Applied Superconductivity, IEEE Transactions（2014）
摘要
The High-Luminosity Large Hadron Collider upgrade (LHC) project aims to increase the peak luminosity of the LHC to 5 ×1034 cm - 2s - 1, and a total integrated luminosity of 3000 fb - 1 from 2020 to 2030 by upgrading the low-beta insertion system for the ATLAS and CMS experiments. The aperture of the insertion magnets including the focusing/defocusing quadrupoles and separation dipoles will be doubled to achieve a smaller β*. This paper presents the latest design updates of the separation dipole D1 magnet, including the study of the different cable types to vary the main field; the modifications of the iron shape for the new design options to minimize the iron saturation effect on field quality; and the optimization of the coil ends to reduce the peak field and higher order harmonic field integrals in the ends.
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关键词
accelerator magnets,optimisation,superconducting cables,superconducting coils,superconducting magnets,atlas experiments,cms experiments,hl-lhc upgrade project,cable types,design optimization,dipole d1 magnet,focusing-defocusing quadrupoles,high order harmonic field integrals,high-luminosity large hadron collider upgrade project,insertion magnets,iron saturation effect,iron shape modifications,low-beta insertion system,total integrated luminosity,coil end design,cos-theta type coil,large aperture,superconducting accelerator magnets,large hadron collider,apertures,saturation magnetization,iron
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