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Title: Field Quality of HD3—A Nb $$_3$$ Sn Dipole Magnet Based on Block Design

Abstract

HD3 is the latest magnet of a series of block-type Nb 3 Sn dipole model magnets developed by the Superconducting Magnet Program at Lawrence Berkeley National Laboratory. The magnet is 1 m long with a clear aperture of 43 mm. As a model magnet designed with accelerator-quality features, each coil has flared ends to provide a clear bore for a beam tube. The magnet design was also optimized to minimize the geometric and saturation field errors. In 2013, HD3b reached a peak dipole field of 13.4 T at 4.4 K. As part of the magnet test, we measured field quality using rotating coils with lengths of 26 and 130 mm developed by Fermi National Accelerator Laboratory. We report and analyze the measured static and dynamic field errors. We discuss the insight provided by the field quality study of HD3, which can be useful for the development of high-field block-type dipole magnets for next-generation circular colliders.

Authors:
ORCiD logo [1]; ORCiD logo [1];  [1]; ORCiD logo [2]; ORCiD logo [3]; ORCiD logo [4]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1]
  1. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  2. Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
  3. Alternative Energies and Atomic Energy Commission (CEA), Saclay (France)
  4. European Organization for Nuclear Research (CERN), Geneva (Switzerland)
Publication Date:
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
OSTI Identifier:
1504229
Grant/Contract Number:  
AC02-05CH11231
Resource Type:
Accepted Manuscript
Journal Name:
IEEE Transactions on Applied Superconductivity
Additional Journal Information:
Journal Volume: 29; Journal Issue: 5; Journal ID: ISSN 1051-8223
Publisher:
Institute of Electrical and Electronics Engineers (IEEE)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY

Citation Formats

Wang, Xiaorong, Cheng, Daniel W., Dietderich, Daniel R., DiMarco, Joseph, Felice, Helene, Ferracin, Paolo, Marchevsky, Maxim, Prestemon, Soren O., and Sabbi, Gianluca. Field Quality of HD3—A Nb $_3$ Sn Dipole Magnet Based on Block Design. United States: N. p., 2019. Web. doi:10.1109/tasc.2019.2897138.
Wang, Xiaorong, Cheng, Daniel W., Dietderich, Daniel R., DiMarco, Joseph, Felice, Helene, Ferracin, Paolo, Marchevsky, Maxim, Prestemon, Soren O., & Sabbi, Gianluca. Field Quality of HD3—A Nb $_3$ Sn Dipole Magnet Based on Block Design. United States. doi:10.1109/tasc.2019.2897138.
Wang, Xiaorong, Cheng, Daniel W., Dietderich, Daniel R., DiMarco, Joseph, Felice, Helene, Ferracin, Paolo, Marchevsky, Maxim, Prestemon, Soren O., and Sabbi, Gianluca. Mon . "Field Quality of HD3—A Nb $_3$ Sn Dipole Magnet Based on Block Design". United States. doi:10.1109/tasc.2019.2897138.
@article{osti_1504229,
title = {Field Quality of HD3—A Nb $_3$ Sn Dipole Magnet Based on Block Design},
author = {Wang, Xiaorong and Cheng, Daniel W. and Dietderich, Daniel R. and DiMarco, Joseph and Felice, Helene and Ferracin, Paolo and Marchevsky, Maxim and Prestemon, Soren O. and Sabbi, Gianluca},
abstractNote = {HD3 is the latest magnet of a series of block-type Nb 3 Sn dipole model magnets developed by the Superconducting Magnet Program at Lawrence Berkeley National Laboratory. The magnet is 1 m long with a clear aperture of 43 mm. As a model magnet designed with accelerator-quality features, each coil has flared ends to provide a clear bore for a beam tube. The magnet design was also optimized to minimize the geometric and saturation field errors. In 2013, HD3b reached a peak dipole field of 13.4 T at 4.4 K. As part of the magnet test, we measured field quality using rotating coils with lengths of 26 and 130 mm developed by Fermi National Accelerator Laboratory. We report and analyze the measured static and dynamic field errors. We discuss the insight provided by the field quality study of HD3, which can be useful for the development of high-field block-type dipole magnets for next-generation circular colliders.},
doi = {10.1109/tasc.2019.2897138},
journal = {IEEE Transactions on Applied Superconductivity},
number = 5,
volume = 29,
place = {United States},
year = {2019},
month = {2}
}

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