Performance of four 4. 5 m two-in-one superconducting R and D dipoles for the SSC

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Four 4.5 m long superconducting dipoles built to specifications similar to those for SSC Reference Design A have been successfully tested. They were wound with NbTi cable in two-layer costheta coils of 3.2 cm inner diameter. The coil ends were flared to increase the minimum bending radius, anticipating coils wound from prereacted Nb/sub 3/Sn. The coils were mounted in a reusable ''two-in-one'' iron yoke prestressed by means of a bolted stainless steel shell. The first two magnets as well as the fourth one, a special magnet designed to study cross-talk between the bores, used CBA/Tevatron cable. The third utilized cable ... continued below

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Pages: 4

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Dahl, P.; Cottingham, J.; Fernow, R.; Garber, M.; Ghosh, A.; Goodzeit, C. et al. January 1, 1985.

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Description

Four 4.5 m long superconducting dipoles built to specifications similar to those for SSC Reference Design A have been successfully tested. They were wound with NbTi cable in two-layer costheta coils of 3.2 cm inner diameter. The coil ends were flared to increase the minimum bending radius, anticipating coils wound from prereacted Nb/sub 3/Sn. The coils were mounted in a reusable ''two-in-one'' iron yoke prestressed by means of a bolted stainless steel shell. The first two magnets as well as the fourth one, a special magnet designed to study cross-talk between the bores, used CBA/Tevatron cable. The third utilized cable with improved (''high homogeneity'') NbTi conductor. All four reached central fields corresponding to their short sample limits at 4.5K without training, nearly 6.0T for the first two magnets, 6.5T for the third, and 5.4T for the fourth. At 2.5K modest training was required to reach short sample limits of 7.2T, 7.1T, 7.8T, and 6.6T respectively. The measured values of the allowed harmonics were within several x 10/sup -4/ of the calculated ones.

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Pages: 4

Notes

NTIS, PC A02/MF A01; 1.

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  • Particle accelerator conference, Vancouver, Canada, 13 May 1985

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  • Other: DE85012269
  • Report No.: BNL-36627
  • Report No.: CONF-850504-169
  • Grant Number: AC02-76CH00016
  • Office of Scientific & Technical Information Report Number: 5613724
  • Archival Resource Key: ark:/67531/metadc1087434

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Office of Scientific & Technical Information Technical Reports

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  • January 1, 1985

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  • Feb. 10, 2018, 10:06 p.m.

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  • April 24, 2018, 12:12 p.m.

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Dahl, P.; Cottingham, J.; Fernow, R.; Garber, M.; Ghosh, A.; Goodzeit, C. et al. Performance of four 4. 5 m two-in-one superconducting R and D dipoles for the SSC, article, January 1, 1985; Upton, New York. (digital.library.unt.edu/ark:/67531/metadc1087434/: accessed October 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.