Development of aluminum-stabilized superconducting cables for the Mu2e detector solenoid

Lombardo, Vito; Buehler, M.; Lamm, M.; Page, T.; Curreli, S.; Fabbricatore, P.; Musenich, R.

doi:10.1109/TASC.2016.2529687

Title: Development of aluminum-stabilized superconducting cables for the Mu2e detector solenoid

Abstract

Here, the Mu2e experiment at Fermilab is designed to measure the rare process of direct muon-to-electron conversion in the field of a nucleus. The experiment comprises a system of three superconducting solenoids, which focus secondary muons from the production target and transport them to an aluminum stopping target, while minimizing the associated background. The Detector Solenoid (DS) is the last magnet in the transport line and its main functions are to provide a graded field in the region of the stopping target as well as a precision magnetic field in a volume large enough to house the tracker downstream of the stopping target. The Detector Solenoid coils are designed to be wound using NbTi Rutherford cables conformed in high purity aluminum for stabilization and then cold-worked for strength. Two types of Al-stabilized conductor are required to build the DS coils, one for the gradient section and one for the spectrometer section of the solenoid. The dimensions are optimized to generate the required field profile when the same current is transported in both conductors. The conductors contain NbTi Rutherford cables with 12 (DS1) and 8 (DS2) strands respectively and are manufactured by two different vendors. This paper describes the results ofmore »« less

Authors:

Lombardo, Vito ^[1]; Buehler, M. ^[1]; Lamm, M. ^[1]; Page, T. ^[1]; Curreli, S. ^[2]; Fabbricatore, P. ^[2]; Musenich, R. ^[2]

Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Istituto Nazionale di Fisica Nucleare (INFN), Genoa (Italy)

Publication Date:: Wed Jun 01 00:00:00 EDT 2016

Research Org.:: Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)

Sponsoring Org.:: USDOE Office of Science (SC), High Energy Physics (HEP)

Contributing Org.:: Mu2e

OSTI Identifier:: 1250495

Report Number(s):: FERMILAB-CONF-15-440-TD
Journal ID: ISSN 1051-8223; 1403070; TRN: US1601641

Grant/Contract Number:: AC02-07CH11359

Resource Type:: Accepted Manuscript

Journal Name:: IEEE Transactions on Applied Superconductivity

Additional Journal Information:: Journal Volume: 26; Journal Issue: 4; Conference: 24th International Conference on Magnet Technology, Seoul (Korea), 18-23 Oct 2015; Journal ID: ISSN 1051-8223

Publisher:: Institute of Electrical and Electronics Engineers (IEEE)

Country of Publication:: United States

Language:: English

Subject:: 46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; aluminum stabilized cables; conforming; Mu2e; superconducting NbTi cables; detector solenoid

Citation Formats


                    Lombardo, Vito, Buehler, M., Lamm, M., Page, T., Curreli, S., Fabbricatore, P., and Musenich, R. Development of aluminum-stabilized superconducting cables for the Mu2e detector solenoid.  United States: N. p., 2016. 
Web.  doi:10.1109/TASC.2016.2529687.

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                    Lombardo, Vito, Buehler, M., Lamm, M., Page, T., Curreli, S., Fabbricatore, P., & Musenich, R. Development of aluminum-stabilized superconducting cables for the Mu2e detector solenoid.  United States.  https://doi.org/10.1109/TASC.2016.2529687

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                    Lombardo, Vito, Buehler, M., Lamm, M., Page, T., Curreli, S., Fabbricatore, P., and Musenich, R. Wed .  
"Development of aluminum-stabilized superconducting cables for the Mu2e detector solenoid".  United States.  https://doi.org/10.1109/TASC.2016.2529687.  https://www.osti.gov/servlets/purl/1250495.

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@article{osti_1250495,

  title        = {Development of aluminum-stabilized superconducting cables for the Mu2e detector solenoid},

  author       = {Lombardo, Vito and Buehler, M. and Lamm, M. and Page, T. and Curreli, S. and Fabbricatore, P. and Musenich, R.},

  abstractNote = {Here, the Mu2e experiment at Fermilab is designed to measure the rare process of direct muon-to-electron conversion in the field of a nucleus. The experiment comprises a system of three superconducting solenoids, which focus secondary muons from the production target and transport them to an aluminum stopping target, while minimizing the associated background. The Detector Solenoid (DS) is the last magnet in the transport line and its main functions are to provide a graded field in the region of the stopping target as well as a precision magnetic field in a volume large enough to house the tracker downstream of the stopping target. The Detector Solenoid coils are designed to be wound using NbTi Rutherford cables conformed in high purity aluminum for stabilization and then cold-worked for strength. Two types of Al-stabilized conductor are required to build the DS coils, one for the gradient section and one for the spectrometer section of the solenoid. The dimensions are optimized to generate the required field profile when the same current is transported in both conductors. The conductors contain NbTi Rutherford cables with 12 (DS1) and 8 (DS2) strands respectively and are manufactured by two different vendors. This paper describes the results of the manufacturing of production lengths of the Al-stabilized cables needed to build the Mu2e Detector Solenoid as well as the testing campaigns and main results. The main cable properties and results of electrical and mechanical tests are summarized and discussed for each stage of the cable development process. Results are compared to design values to show how the production cables satisfy all the design criteria starting from the NbTi wires to the Al-stabilized cables.},

  doi          = {10.1109/TASC.2016.2529687},

  journal      = {IEEE Transactions on Applied Superconductivity},

  number       = 4,

  volume       = 26,

  place        = {United States},

  year         = {Wed Jun 01 00:00:00 EDT 2016},

  month        = {Wed Jun 01 00:00:00 EDT 2016}

}

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Fabrication of hybrid aluminum nanoparticles with organosilicon surface by solvent-free coating approach
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Title: Development of aluminum-stabilized superconducting cables for the Mu2e detector solenoid

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Citation Formats

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