NuMI Neutrino Beam Monitoring


   The NuMI beamline produces an intense beam of muon neutrinos that result from the weak decays of mesons (pions and kaons) in an evacuated tunnel. The mesons are produced in a target upstream of to focusing 'horns' that sign- and momenum- select the particles and focuses them into the decay tunnel.

   The monitoring system presently consists of ionization chambers which will be placed at the end of the decay pipe and in three 'alcoves' dug into the dolomite rock. The 'alcoves' will measure fluxes of muons that are produced along with the neutrinos, while the chambers at the end of the pipe will measure muons, undecayed mesons, and protons that did not react in the target.


Click on the diagram for an enlarged view

Talks at Conferences/Workshops

  • Paper submitted to 13th Beam Instrumentation Workshop (BIW04), Knoxville, TN, May 2004.
  • Paper submitted to European Particle Accelerator Conference (EPAC04), Luzerne, Switzerland, July 2004.
  • Talk by S. Kopp at the 3rd International Workshop on Neutrino Beams held at CERN, March 14-19, 2002.
  • Several talks were presented at the 2nd International Workshop on Neutrino Beams held at Fermilab, Sept. 6-9, 2000.
  • Papers on the monitoring system listed on Spires

    Monitoring Documentation

  • Technical Description of the hadron monitor (rad calcs, heating, etc): ps,pdf
  • Technical Description of the muon monitors (tube assembly, mass, calibration...) ps,pdf
  • Document describing the calibration of the hadron and muon monitor chambers.
  • Document specifying the technical parameters for the muon system.
  • Document specifying the technical parameters for the hadron monitors system.
  • Beam test at the Fermilab Booster. ps , pdf
  • Beam Test at the Brookhaven ATF.
  • Bench studies of potential cross-talk sources in arrays of ion chambers.
  • Neutron-induced backgrounds in the ion chambers.
  • Draft chapter for NuMI Technical Design Handbook pdf doc
  • Very,very out of date Technical Design Report
  • Drawings for the Hadron Monitor
  • Drawings for the Muon Monitor.

    Reviews, Meetings

  • Dharma and Zarko's status report on detector construction and calibration at the June 04 MINOS Ely Meeting.
  • Debbie's slides on monitor commissioning from an internal NuMI Workshop: pdf, ps.
  • Slides for the May '03 DoE Lehman Review: pdf, PowerPoint.
  • Slides for the Dec. '02 DoE Lehman Review: pdf, PowerPoint.
  • July 24 Final Internal NuMI Engineering Review of Beam Monitoring System.
  • December 10 Internal NuMI Review of Beam Monitoring System R&D.
  • Slides for the Sept. '01 DoE Lehman Review: pdf, PowerPoint.
  • Slides on cost estimates for the Aug. '01 FNAL Director's Review of NuMI: pdf, PowerPoint.
  • Talk presented by Alberto Marchionni at the May Lehman Review of NuMI: powerpoint file.
  • Talk presented by Alberto Marchionni at the April FNAL Director's Review of NuMI: ps file.
  • Review of the Hadron Monitor System (Upstream and Downstream). Links for the presentations by the NWU group and also the committee report.
  • Cost estimates based on SIC's and PIC's for the Aug. 2001 Lehmann review of NuMI: click here.
     

    The monitoring system is a collaboration of the following institutions.