New Fast Beam Conditions Monitoring (BCM1F) system for CMS

A. A. Zagozdzinska, A. J. Bell, A. E. Dabrowski, M. Hempel, H. M. Henschel, O. Karacheban, D. Przyborowski, J. L. Leonard, M. Penno, K. T. Pozniak, M. Miraglia, W. Lange, W. Lohmann, V. Ryjov, A. Lokhovitskiy, D. Stickland, R. Walsh

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


The CMS Beam Radiation Instrumentation and Luminosity (BRIL) project is composed of several systems providing the experiment protection from adverse beam conditions while also measuring the online luminosity and beam background. Although the readout bandwidth of the Fast Beam Conditions Monitoring system (BCM1F - one of the faster monitoring systems of the CMS BRIL), was sufficient for the initial LHC conditions, the foreseen enhancement of the beams parameters after the LHC Long Shutdown-1 (LS1) imposed the upgrade of the system. This paper presents the new BCM1F, which is designed to provide real-time fast diagnosis of beam conditions and instantaneous luminosity with readout able to resolve the 25 ns bunch structure.

Original languageEnglish (US)
Article numberC01088
JournalJournal of Instrumentation
Issue number1
StatePublished - Jan 29 2016
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Mathematical Physics
  • Instrumentation


  • beam-intensity monitors
  • Beam-line instrumentation (beam position and profile monitors
  • bunch length monitors)
  • Detector control systems (detector and experiment monitoring and slow-control systems, architecture, hardware, algorithms, databases)
  • Diamond Detectors
  • Particle identification methods


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