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Radial magnetic field measurements with a Hall probe device in the muon (g-2) storage ring magnet at BNL

  • S. I. Redin
  • , N. M. Ryskulov
  • , G. V. Fedotovich
  • , B. I. Khazin
  • , G. M. Bunce
  • , G. T. Danby
  • , J. W. Jackson
  • , W. M. Morse
  • , R. Prigl
  • , Y. K. Semertzidis
  • , E. Efstathiadis
  • , B. L. Roberts
  • , A. Grossmann
  • , K. Jungmann
  • , G. Zu Putlitz
  • , P. Von Walter
  • , S. K. Dhawan
  • , F. J.M. Farley
  • , M. Grosse-Perdekamp
  • , V. W. Hughes
  • D. Kawall

Research output: Contribution to journalArticlepeer-review

Abstract

A Hall probe device has been built to measure the radial component of the magnetic field in the muon (g-2) storage ring at Brookhaven National Laboratory. The ultraprecise (g-2) magnet provides a dominantly vertical magnetic field of about 1.45 T. In order to limit the vertical shift of the muon orbit, the average radial field component should be no more than 5 × 10-5 of the vertical field. Our measurements with the Hall probe device achieved an accuracy of 1 × 10-5, which is one of the most precise measurements with Hall probes. This provides adequate accuracy for shimming and control of the radial field.

Original languageEnglish (US)
Pages (from-to)260-268
Number of pages9
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume473
Issue number3
DOIs
StatePublished - Nov 11 2001
Externally publishedYes

Keywords

  • Hall probe
  • Magnetic field measurement
  • Ultraprecise superferric magnet

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

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