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Beam Instrumentation

  • A. Jansson
  • V. Lebedev
  • R. Moore
  • V. ShiltsevEmail author
Chapter
Part of the Particle Acceleration and Detection book series (PARTICLE)

Abstract

Operation of a superconducting magnet hadron collider, like Fermilab’s Tevatron, requires a great deal of care, understanding of beam conditions, and trust in the beam diagnostics, because comparatively innocent little imperfections can lead to either beam blow-up and luminosity loss or to beam loss and quench of superconducting magnets. In the Tevatron such a quench results in 2–4 h of magnet recovery time and up to 8–16 h of no-luminosity time needed to produce the antiprotons needed for the next high energy physics (HEP) store. Over 8 years of operations we witnessed machine downtimes due to 0.5–1 % of beam intensity loss, poor beam lifetime, 0.5–1 mm orbit error, collimator malfunctioning, sequencer error, excursions of tunes or coupling of the order of few 0.001 or several units of chromaticity, instability occurrences, or malfunctioning of kickers, separators, or one of hundreds of power supplies, etc.—a detailed discussion can be found in [1]. Naturally, these peculiarities were reflected in the kinds of beam diagnostics we developed (e.g., minimization of their invasiveness) and the way they were exploited (fast data-logging, convenience for postmortem analysis, etc.).

Keywords

Continuous Beam Beam Loss Antiproton Beam Beam Position Monitor Beam Diagnostics 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  1. 1.Accelerator Physics CenterFermi National Accelerator LaboratoryBataviaUSA

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