Model-independent analysis of the Fermilab Tevatron turn-by-turn beam position monitor measurements

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Coherent transverse beam oscillations in the Tevatron were analyzed with the model-independent analysis (MIA) technique. This allowed one to obtain the model-independent values of coupled betatron amplitudes, phase advances, and dispersion function around the ring from a single dipole kick measurement. In order to solve the MIA mode mixing problem which limits the accuracy of determination of the optical functions, we have developed a new technique of rotational MIA mode untangling. The basic idea is to treat each beam position monitor (BPM) as two BPMs separated in a ring by exactly one turn. This leads to a simple criterion of ... continued below

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12 pages

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Petrenko, A.V.; /Novosibirsk, IYF; Valishev, A.A.; Lebedev, V.A. & /Fermilab September 1, 2011.

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Coherent transverse beam oscillations in the Tevatron were analyzed with the model-independent analysis (MIA) technique. This allowed one to obtain the model-independent values of coupled betatron amplitudes, phase advances, and dispersion function around the ring from a single dipole kick measurement. In order to solve the MIA mode mixing problem which limits the accuracy of determination of the optical functions, we have developed a new technique of rotational MIA mode untangling. The basic idea is to treat each beam position monitor (BPM) as two BPMs separated in a ring by exactly one turn. This leads to a simple criterion of MIA mode separation: the betatron phase advance between any BPM and its counterpart shifted by one turn should be equal to the betatron tune and therefore should not depend on the BPM position in the ring. Furthermore, we describe a MIA-based technique to locate vibrating magnets in a storage ring.

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12 pages

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  • Journal Name: Physical Review Special Topics - Accelerators and Beams; Journal Volume: 14; Journal Issue: 9

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  • Report No.: FERMILAB-PUB-11-500-AD-APC
  • Grant Number: AC02-07CH11359
  • DOI: 10.1103/PhysRevSTAB.14.092801 | External Link
  • Office of Scientific & Technical Information Report Number: 1028845
  • Archival Resource Key: ark:/67531/metadc841733

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  • September 1, 2011

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  • May 19, 2016, 3:16 p.m.

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  • Aug. 29, 2016, 2:23 p.m.

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Petrenko, A.V.; /Novosibirsk, IYF; Valishev, A.A.; Lebedev, V.A. & /Fermilab. Model-independent analysis of the Fermilab Tevatron turn-by-turn beam position monitor measurements, article, September 1, 2011; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc841733/: accessed December 15, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.