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DOI: 10.1109/tasc.2016.2629001
¤ OpenAccess: Hybrid
This work has “Hybrid” OA status. This means it is free under an open license in a toll-access journal.
Performance of the First Short Model 150-mm-Aperture Nb3Sn Quadrupole MQXFS for the High-Luminosity LHC Upgrade
G. Chlachidze,G. Ambrosio,M. Anerella,R. Bossert,Eugenio Cavanna,D. Cheng,D.R. Dietderich,J. DiMarco,H. Félice,P. Ferracin,A. Ghosh,Philippe Grosclaude,Michael Guinchard,A.R. Hafalia,Eddie Frank Holik,Susana Izquierdo Bermúdez,S. Krave,M. Marchevsky,A. Nobrega,D. Orris,Heng Pan,J. C. Pérez,S. Prestemon,Emmanuele Ravaioli,G. Sabbi,Tiina Salmi,J. Schmalzle,Stoyan Stoynev,T. Strauss,C. Sylvester,M. Tartaglia,E. Todesco,Giorgio Vallone,G. Velev,P. Wanderer,Xiaorong Wang,Min Yu
Large Hadron Collider
Physics
Fermilab
2017
The U.S. LHC Accelerator Research Program (LARP) and CERN combined their efforts in developing Nb3Sn magnets for the high-luminosity LHC upgrade. The ultimate goal of this collaboration is to fabricate large aperture Nb <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">3</sub> Sn quadrupoles for the LHC interaction regions. These magnets will replace the present 70-mm-aperture NbTi quadrupole triplets for expected increase of the LHC peak luminosity up to 5 × 10 <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">34</sup> cm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">-2</sup> s <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">-1</sup> or more. Over the past decade, LARP successfully fabricated and tested short and long models of 90 and 120-mm-aperture Nb3Sn quadrupoles. Recently, the first short model of 150-mm-diameter quadrupole MQXFS was built with coils fabricated both by LARP and CERN. The magnet performance was tested at Fermilab's vertical magnet test facility. This paper reports the test results, including the quench training at 1.9 K, ramp rate and temperature dependence, as well as protection heater studies.
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“Performance of the First Short Model 150-mm-Aperture Nb3Sn Quadrupole MQXFS for the High-Luminosity LHC Upgrade” is a paper by G. Chlachidze G. Ambrosio M. Anerella R. Bossert Eugenio Cavanna D. Cheng D.R. Dietderich J. DiMarco H. Félice P. Ferracin A. Ghosh Philippe Grosclaude Michael Guinchard A.R. Hafalia Eddie Frank Holik Susana Izquierdo Bermúdez S. Krave M. Marchevsky A. Nobrega D. Orris Heng Pan J. C. Pérez S. Prestemon Emmanuele Ravaioli G. Sabbi Tiina Salmi J. Schmalzle Stoyan Stoynev T. Strauss C. Sylvester M. Tartaglia E. Todesco Giorgio Vallone G. Velev P. Wanderer Xiaorong Wang Min Yu published in 2017. It has an Open Access status of “hybrid”. You can read and download a PDF Full Text of this paper here.