Development of MQXF: The Nb3Sn Low-β Quadrupole for the HiLumi LHC

被引：61

作者：

Ferracin, P. ^{[1
]}

Ambrosio, G. ^{[2
]}

Anerella, M. ^{[3
]}

Ballarino, A. ^{[1
]}

Bajas, H. ^{[1
]}

Bajko, M. ^{[1
]}

Bordini, B. ^{[1
]}

Bossert, R. ^{[2
]}

Cheng, D. W. ^{[4
]}

Dietderich, D. R. ^{[4
]}

Chlachidze, G. ^{[2
]}

Cooley, L. ^{[2
]}

Felice, H. ^{[4
]}

Ghosh, A. ^{[3
]}

Hafalia, R. ^{[4
]}

Holik, E. ^{[2
]}

Bermudez, S. Izquierdo ^{[1
]}

Fessia, P. ^{[1
]}

Grosclaude, P. ^{[1
]}

Guinchard, M. ^{[1
]}

Juchno, M. ^{[1
]}

Krave, S. ^{[2
]}

Lackner, F. ^{[1
]}

Marchevsky, M. ^{[4
]}

Marinozzi, V. ^{[5
]}

Nobrega, F. ^{[2
]}

Oberli, L. ^{[1
]}

Pan, H. ^{[4
]}

Perez, J. C. ^{[1
]}

Prin, H. ^{[1
]}

Rysti, J. ^{[1
]}

Rochepault, E. ^{[1
]}

Sabbi, G. ^{[4
]}

Salmi, T. ^{[6
]}

Schmalzle, J. ^{[3
]}

Sorbi, M. ^{[5
]}

Tavares, S. Sequeira ^{[1
]}

Todesco, E. ^{[1
]}

Wanderer, P. ^{[3
]}

Wang, X. ^{[4
]}

Yu, M. ^{[2
]}

机构：

[1] CERN, CH-1211 Geneva, Switzerland

[2] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA

[3] Brookhaven Natl Lab, Upton, NY 11973 USA

[4] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA

[5] Ist Nazl Fis Nucl, LASA, I-20090 Segrate, Italy

[6] Tampere Univ Technol, Tampere 33720, Finland

来源：

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2016年 / 26卷 / 04期

关键词：

High Luminosity Large Hadron Collider (LHC); interaction regions; low-beta quadrupoles; Nb3Sn magnets;

D O I：

10.1109/TASC.2015.2510508

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The High Luminosity (HiLumi) Large Hadron Collider (LHC) project has, as themain objective, to increase the LHC peak luminosity by a factor five and the integrated luminosity by a factor ten. This goal will be achieved mainly with a new interaction region layout, which will allow a stronger focusing of the colliding beams. The target will be to reduce the beam size in the interaction points by a factor of two, which requires doubling the aperture of the low-beta (or inner triplet) quadrupole magnets. The use of Nb3Sn superconducting material and, as a result, the possibility of operating at magnetic field levels in the windings higher than 11 T will limit the increase in length of these quadrupoles, called MQXF, to acceptable levels. After the initial design phase, where the key parameters were chosen and the magnet's conceptual design finalized, the MQXF project, a joint effort between the U.S. LHC Accelerator Research Program and the Conseil Europeen pour la Recherche Nucleaire (CERN), has now entered the construction and test phase of the short models. Concurrently, the preparation for the development of the full-length prototypes has been initiated. This paper will provide an overview of the project status, describing and reporting on the performance of the superconducting material, the lessons learnt during the fabrication of superconducting coils and support structure, and the fine tuning of the magnet design in view of the start of the prototyping phase.

引用

页数：7

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