Tevatron AC dipole system

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The AC dipole is an oscillating dipole magnet which can induce large amplitude oscillations without the emittance growth and decoherence. These properties make it a good tool to measure optics of a hadron synchrotron. The vertical AC dipole for the Tevatron is powered by an inexpensive high power audio amplifier since its operating frequency is approximately 20 kHz. The magnet is incorporated into a parallel resonant system to maximize the current. The use of a vertical pinger magnet which has been installed in the Tevatron made the cost relatively inexpensive. Recently, the initial system was upgraded with a more powerful ... continued below

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3 pages

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Miyamoto, R.; Kopp, S.E.; U., /Texas; Jansson, A.; Syphers, M.J. & /Fermilab June 1, 2007.

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The AC dipole is an oscillating dipole magnet which can induce large amplitude oscillations without the emittance growth and decoherence. These properties make it a good tool to measure optics of a hadron synchrotron. The vertical AC dipole for the Tevatron is powered by an inexpensive high power audio amplifier since its operating frequency is approximately 20 kHz. The magnet is incorporated into a parallel resonant system to maximize the current. The use of a vertical pinger magnet which has been installed in the Tevatron made the cost relatively inexpensive. Recently, the initial system was upgraded with a more powerful amplifier and oscillation amplitudes up to 2-3{sigma} were achieved with the 980 GeV proton beam. This paper discusses details of the Tevatron AC dipole system and also shows its test results.

Physical Description

3 pages

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  • Journal Name: Conf.Proc.C070625:3868,2007; Conference: Presented at Particle Accelerator Conference (PAC 07), Albuquerque, New Mexico, 25-29 Jun 2007

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  • Report No.: FERMILAB-CONF-07-338-AD-APC
  • Grant Number: AC02-07CH11359
  • Office of Scientific & Technical Information Report Number: 922016
  • Archival Resource Key: ark:/67531/metadc901593

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  • June 1, 2007

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  • Sept. 27, 2016, 1:39 a.m.

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  • Dec. 2, 2016, 3:21 p.m.

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Miyamoto, R.; Kopp, S.E.; U., /Texas; Jansson, A.; Syphers, M.J. & /Fermilab. Tevatron AC dipole system, article, June 1, 2007; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc901593/: accessed October 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.