The superconducting strand for the CMS solenoid conductor

The Compact Muon Solenoid (CMS) is one of the general-purpose detectors to be provided for the LHC project at CERN. The design field of the CMS superconducting magnet is 4 T, the magnetic length is 12.5 m and the free bore is 6 m. Approximately 2000 km of superconducting strand is under procurement...

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Detalles Bibliográficos
Autores principales: Curé, B, Blau, Bertrand, Campi, D, Goodrich, L F, Horváth, I L, Kircher, F, Liikamaa, R, Seppälä, J, Smith, R P, Teuho, J, Vieillard, L
Lenguaje:eng
Publicado: 2002
Materias:
Detectors and Experimental Techniques
Acceso en línea:https://dx.doi.org/10.1109/TASC.2002.1018572
http://cds.cern.ch/record/590885
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author Curé, B
Blau, Bertrand
Campi, D
Goodrich, L F
Horváth, I L
Kircher, F
Liikamaa, R
Seppälä, J
Smith, R P
Teuho, J
Vieillard, L
author_facet Curé, B
Blau, Bertrand
Campi, D
Goodrich, L F
Horváth, I L
Kircher, F
Liikamaa, R
Seppälä, J
Smith, R P
Teuho, J
Vieillard, L
author_sort Curé, B
collection CERN
description The Compact Muon Solenoid (CMS) is one of the general-purpose detectors to be provided for the LHC project at CERN. The design field of the CMS superconducting magnet is 4 T, the magnetic length is 12.5 m and the free bore is 6 m. Approximately 2000 km of superconducting strand is under procurement for the conductor of the CMS superconducting solenoid. Each strand length is required to be an integral multiple of 2.75 km. The strand is composed of copper- stabilized multifilamentary Nb-Ti with Nb barrier. Individual strands are identified by distinctive patterns of Nb-Ti filaments selected during stacking of the monofilaments. The statistics of piece length, measurements of I/sub c/, n-value, copper RRR, (Cu+Nb)/Nb-Ti ratio, as well as the results of independent cross checks of these quantities, are presented. A study was performed on the CMS strands to investigate the critical current degradation due to various heat treatments. The degradation versus annealing temperature and duration are reported. (4 refs).
id cern-590885
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2002
record_format invenio
spelling cern-5908852019-09-30T06:29:59Zdoi:10.1109/TASC.2002.1018572http://cds.cern.ch/record/590885engCuré, BBlau, BertrandCampi, DGoodrich, L FHorváth, I LKircher, FLiikamaa, RSeppälä, JSmith, R PTeuho, JVieillard, LThe superconducting strand for the CMS solenoid conductorDetectors and Experimental TechniquesThe Compact Muon Solenoid (CMS) is one of the general-purpose detectors to be provided for the LHC project at CERN. The design field of the CMS superconducting magnet is 4 T, the magnetic length is 12.5 m and the free bore is 6 m. Approximately 2000 km of superconducting strand is under procurement for the conductor of the CMS superconducting solenoid. Each strand length is required to be an integral multiple of 2.75 km. The strand is composed of copper- stabilized multifilamentary Nb-Ti with Nb barrier. Individual strands are identified by distinctive patterns of Nb-Ti filaments selected during stacking of the monofilaments. The statistics of piece length, measurements of I/sub c/, n-value, copper RRR, (Cu+Nb)/Nb-Ti ratio, as well as the results of independent cross checks of these quantities, are presented. A study was performed on the CMS strands to investigate the critical current degradation due to various heat treatments. The degradation versus annealing temperature and duration are reported. (4 refs).oai:cds.cern.ch:5908852002
spellingShingle Detectors and Experimental Techniques
Curé, B
Blau, Bertrand
Campi, D
Goodrich, L F
Horváth, I L
Kircher, F
Liikamaa, R
Seppälä, J
Smith, R P
Teuho, J
Vieillard, L
The superconducting strand for the CMS solenoid conductor
title The superconducting strand for the CMS solenoid conductor
title_full The superconducting strand for the CMS solenoid conductor
title_fullStr The superconducting strand for the CMS solenoid conductor
title_full_unstemmed The superconducting strand for the CMS solenoid conductor
title_short The superconducting strand for the CMS solenoid conductor
title_sort superconducting strand for the cms solenoid conductor
topic Detectors and Experimental Techniques
url https://dx.doi.org/10.1109/TASC.2002.1018572
http://cds.cern.ch/record/590885
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