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@InProceedings{zlobin:napac2019-moplo20,
author = {A.V. Zlobin and E.Z. Barzi and J.R. Carmichael and G. Chlachidze and J. DiMarco and V.V. Kashikhin and S. Krave and I. Novitski and C.R. Orozco and S. Stoynev and T. Strauss and M.A. Tartaglia and D. Turrioni},
% author = {A.V. Zlobin and E.Z. Barzi and J.R. Carmichael and G. Chlachidze and J. DiMarco and V.V. Kashikhin and others},
% author = {A.V. Zlobin and others},
title = {{Quench Performance and Field Quality of the 15 T Nb3Sn Dipole Demonstrator MDPCT1 in the First Test Run}},
booktitle = {Proc. NAPAC'19},
pages = {282--285},
paper = {MOPLO20},
language = {english},
keywords = {dipole, ion-effects, collider, magnet-design, hadron},
venue = {Lansing, MI, USA},
series = {North American Particle Accelerator Conference},
number = {4},
publisher = {JACoW Publishing, Geneva, Switzerland},
month = {10},
year = {2019},
issn = {2673-7000},
isbn = {978-3-95450-223-3},
doi = {10.18429/JACoW-NAPAC2019-MOPLO20},
url = {http://jacow.org/napac2019/papers/moplo20.pdf},
note = {https://doi.org/10.18429/JACoW-NAPAC2019-MOPLO20},
abstract = {U.S. Magnet Development Program (US-MDP) is developing high-field accelerator magnets for a post-LHC hadron collider. In June 2019 Fermilab has tested a new Nb₃Sn dipole model, which produced a world record field of 14.1 T at 4.5 K. The magnet design is based on 60 mm aperture 4-layer shell-type coils, graded between the inner and outer layers. The Rutherford cable in the two innermost layers consists of 28 strands 1.0 mm in diameter and the cable in the two outermost layers 40 strands 0.7 mm in diameter. Both cables were fabricated at Fermilab using RRP Nb₃Sn composite wires produced by Bruker-OST. An innovative mechanical structure based on aluminum clamps and a thick stainless-steel skin was developed to preload brittle Nb₃Sn coils and support large Lorentz forces. The maximum field for this design is limited by 15 T due to mechanical considerations. The first magnet assembly was done with lower coil pre-load to achieve 14 T and minimize the risk of coil damage during assembly. The 15 T dipole demonstrator design and the first results of magnet cold tests including quench performance and magnetic measurements are presented.},
}