Magnetic field measurements of LHC inner triplet quadrupoles fabricated at Fermilab

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Fermilab, as part of the US-LHC Accelerator Project, is producing superconducting low-beta quadrupole magnets for the Large Hadron Collider (LHC). These 5.5 m long magnets are designed to operate in superfluid helium at 1.9 K with a nominal gradient of 205 T/m in the 70 mm bore. Two quadrupoles separated by a dipole orbit corrector in a single cryogenic assembly comprise the Q2 optical elements of the final focus triplets in the LHC interaction regions. The field quality of the quadrupoles is measured at room temperature during construction of the cold masses as well as during cold testing of the ... continued below

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4 pages

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Velev, G.V.; Bossert, R.; Carcagno, R.; DiMarco, J.; Feher, S.; Kashikhin, V.V. et al. August 1, 2006.

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Description

Fermilab, as part of the US-LHC Accelerator Project, is producing superconducting low-beta quadrupole magnets for the Large Hadron Collider (LHC). These 5.5 m long magnets are designed to operate in superfluid helium at 1.9 K with a nominal gradient of 205 T/m in the 70 mm bore. Two quadrupoles separated by a dipole orbit corrector in a single cryogenic assembly comprise the Q2 optical elements of the final focus triplets in the LHC interaction regions. The field quality of the quadrupoles is measured at room temperature during construction of the cold masses as well as during cold testing of the cryogenic assembly. We summarize data from the series measurements of the magnets and discuss various topics of interest.

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4 pages

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  • Journal Name: IEEE Trans.Appl.Supercond.17:1109-1112,2007; Conference: Presented at Applied Superconductivity Conference (ASC 2006), Seattle, Washington, 27 Aug - 1 Sep 2006

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  • Report No.: FERMILAB-CONF-06-301-TD
  • Grant Number: AC02-07CH11359
  • Office of Scientific & Technical Information Report Number: 919103
  • Archival Resource Key: ark:/67531/metadc887030

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  • August 1, 2006

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  • Sept. 22, 2016, 2:13 a.m.

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  • Dec. 7, 2016, 4:48 p.m.

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Velev, G.V.; Bossert, R.; Carcagno, R.; DiMarco, J.; Feher, S.; Kashikhin, V.V. et al. Magnetic field measurements of LHC inner triplet quadrupoles fabricated at Fermilab, article, August 1, 2006; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc887030/: accessed August 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.