Recent results from the LHC inner triplet quadrupole development program at Fermilab

Fermilab, in collaboration With LBNL and BNL, is in the process of developing a focusing quadrupole for installation in the interaction region inner triplets of the LHC. This magnet is required to have an operating gradient of 215 T/m across a 70 mm coil bore, and operates in superfluid helium at 1....

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Detalles Bibliográficos
Autores principales: Andreev, N, Arkan, T T, Bauer, P, Bossert, R, Brandt, J, Chichili, D R, Carson, J, Di Marco, J, Fehér, S, Kerby, J S, Lamm, M J, Limon, P J, Makarov, A A, Nobrega, A, Novitski, I, Ogitsu, T, Orris, D, Ozelis, J P, Robotham, W, Sabbi, G L, Schlabach, P, Strait, J B, Tartaglia, M, Tompkins, J C, Yadov, S, Zlobin, A V, Caspi, S, McInturff, A D, Scanlan, R M, Ghosh, A
Lenguaje:eng
Publicado: 2000
Materias:
Accelerators and Storage Rings
Acceso en línea:https://dx.doi.org/10.1109/77.828175
http://cds.cern.ch/record/435513
Descripción
Sumario:Fermilab, in collaboration With LBNL and BNL, is in the process of developing a focusing quadrupole for installation in the interaction region inner triplets of the LHC. This magnet is required to have an operating gradient of 215 T/m across a 70 mm coil bore, and operates in superfluid helium at 1.9 K. The design is based on a two layer cos (20) coil, mechanically supported by standalone steel collars. The collared coil assembly is surrounded by a iron yoke for flux return, and the assembly enclosed by a stainless steel shell. The development program has addressed mechanical, magnetic, quench protection, and thermal issues, through a series of model magnets constructed at Fermilab. This paper summarizes results from the recent model tests, and the status of the program. (10 refs).

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