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Towards the Realization of Two 1.2 Tesla Superconducting Solenoids for Particle Physics Experiments

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11th International Conference on Magnet Technology (MT-11)

Abstract

Superconducting solenoids are required to produce a magnetic field of 1.2 Tesla in a room temperature volume of 145m3 for the DELPHI particle physics experiment on LEP at CERN and for the H1 experiment on HERA at DESY.

The large solenoids which are in the region of 5–6m diameter and 5–7m long, were constructed with aluminium clad Nb-Ti conductor, wound on the inside of a liquid helium cooled support cylinder.

The coils are indirectly cooled with 2 phase liquid helium and suspended within an 80K gas cooled radiation shield inside a stainless steel vacuum vessel.

The coils have a stored energy < 100 MJ when powered at 5000A.

The paper covers aspects of the construction, installation and test of the two solenoids.

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References

  1. Apsey R. Q., Baynham D. E., Clee P. T. M., Cragg D., Cunliffe N., Hopes R. B. and Stovold R. V., Design of a 5.5 Metre Diameter Superconducting Solenoid for the DELPHI Particle Physics Experiment at LEP. Applied Superconductivity Conference, 1984. Volume MAG-21, pp 490–3.

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  2. Morpurgo H., Design and Construction of a Pump for Liquid Helium, Cryogenics February 1977.

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  3. Gusewell D and Haebel E. U., Current Leads for Refrigerator Cooled Superconducting Magnets, Proceedings ICEC 3, Berlin 187 (1970).

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  4. Evensen H., Fenyuk A., Stefanini G., Preliminary Report of the Field Measurements in the DELPHI Magnet. CERN internal report (CERN-EP 2–5–89).

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Author information

Authors and Affiliations

  1. Rutherford Appleton Laboratory, Chilton, Didcot, Oxfordshire, England

    P. T. M. Clee & D. E. Baynham

Authors
  1. P. T. M. Clee
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  2. D. E. Baynham
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Editor information

Editors and Affiliations

  1. Yokohama National University, Japan

    T. Sekiguchi

  2. Japan Atomic Energy Research Institute, Japan

    S. Shimamoto

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© 1990 The Institute of Electrical Engineers of Japan

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Clee, P.T.M., Baynham, D.E. (1990). Towards the Realization of Two 1.2 Tesla Superconducting Solenoids for Particle Physics Experiments. In: Sekiguchi, T., Shimamoto, S. (eds) 11th International Conference on Magnet Technology (MT-11). Springer, Dordrecht. https://doi.org/10.1007/978-94-009-0769-0_35

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  • DOI: https://doi.org/10.1007/978-94-009-0769-0_35

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-010-6832-1

  • Online ISBN: 978-94-009-0769-0

  • eBook Packages: Springer Book Archive

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